Rapidly restore crystal clear conditions in lakes, ponds, and lagoons using NT-MAX, a high-performance biological clarifier powered by billions of beneficial bacteria that double every 30 minutes to aggressively digest nutrients, sludge, and organic debris.
Fast-Acting: Dissolves up to 1,000 lbs. of sludge daily for noticeable clarity improvements within days.
Nutrient Reduction: Quickly consumes algae, duckweed, watermeal and invasive weed fuels, eliminating excess ammonia, nitrates, and phosphates.
Odor Control: Removes foul odors caused by decaying organics, delivering a cleaner, fresher shoreline.
100% Safe & Chemical-Free: Non-toxic and completely safe for fish, wildlife, pets, irrigation, and recreation.
Cost-Effective Solution: Proven alternative to expensive dredging, trusted by municipalities, golf courses, and environmental agencies nationwide.
Balances Ecosystem: Supports stable pH and promotes a healthy, self-sustaining aquatic environment.
NT-MAX Biological Lake & Pond Treatment is the industry’s leading bacterial digester and clarifier, engineered for rapid and lasting results. Leveraging ultra-high concentrations of facultative bacteria, NT-MAX aggressively eliminates excess algae and nuisance weed nutrients, clearing foul odors, cloudy water and sludge and muck accumulation. NT-MAX is a commercial-grade lake and pond clarifier with beneficial bacteria and enzymes that help digest sludge and muck, reduce odors, and improve water clarity by breaking down organic bottom solids, non-viable algae, and nuisance weeds while reducing ammonia, nitrites, nitrates, and phosphates.
Why Bottom Sludge Keeps Feeding Pond Problems
Untreated or poorly maintained ponds, lakes, and lagoons can become overloaded when fish waste, bird droppings, fecal matter, dead plants, decaying algae, dead duckweed, watermeal, milfoil, hydrilla, chara, insects, leaves, grass clippings, and twigs settle into the bottom layer. Year after year, this organic load forms nutrient-rich muck and sludge beds that keep fueling algae blooms, weeds, odors, slime, cloudy water, ammonia, nitrates, and phosphorus. Instead of only masking surface symptoms, NT-MAX helps target the source with beneficial bacteria and enzymes that digest stored organic debris and support cleaner, clearer water.
Nuisance Growth That Thrives in Fuel-Rich Water
Excess organic sludge, muck, ammonia, nitrates, phosphorus, and decaying plant material create fuel-rich conditions where many nuisance algae, floating weeds, submerged weeds, and shoreline plants can flourish. NT-MAX aggressively consumes the underlying organic fuel source by digesting stored sludge, non-viable algae and weeds, and decomposing bottom debris.
Examples of nuisance growth associated with fuel-rich aquatic environments
Floating and surface growth: duckweed, watermeal, salvinia, giant salvinia, water fern, azolla, frog’s-bit, water hyacinth, water lettuce, watershield, American lotus, spatterdock, water lily, white water lily, water chestnut, and pennywort.
Submerged aquatic weeds: Eurasian watermilfoil, watermilfoil, variable-leaf milfoil, variable-leaf watermilfoil, hydrilla, pondweed, Illinois pondweed, elodea, egeria, naiad, coontail, common coontail, fanwort, cabomba, water stargrass, bladderwort, widgeon grass, tapegrass, American eelgrass, and limnophila.
Shoreline, emergent, and marginal plants: alligatorweed, cattail, yellow flag iris, purple loosestrife, torpedograss, water primrose, parrot feather, parrotfeather, smartweed, spikerush, waterpurslane, willow, barnyardgrass, giant cutgrass, reed canarygrass, and watergrass.
Algae, cyanobacteria, and macroalgae: Spirogyra, planktonic algae, cyanobacteria, blue-green algae, green algae, filamentous algae, mat algae, bottom algae, Chara, and Nitella.
Year after year, this buildup keeps feeding algae blooms, weeds, odors, slime, cloudy water, ammonia, nitrates, and phosphorus. NT-MAX helps target the source with beneficial bacteria and enzymes that digest stored organic debris and support cleaner, clearer water.
How NT-MAX Works: Advanced Biological Digestion
Unlike chemical algaecides, NT-MAX’s highly specialized aerobic and anaerobic bacteria digest accumulated sludge, invasive weeds and algae mat stimulants, and organic fuels at their source. Billions of beneficial microbes quickly multiply, consuming nutrient pollutants and converting them into harmless byproducts like clean water, CO₂, and trace minerals.
High-Density Microbial Formula: 5 billion per gram, doubling colony count every 30 minutes, swiftly clearing organic buildup and improving water clarity.
Full-Column Digestion: Facultative bacteria thrive in all water layers: actively digesting surface scum aerobically and tackling oxygen-poor sludge deposits anaerobically.
Practical & Environmental Benefits:
Rapid Results & Lasting Clarity: Visible water improvements typically within 7–10 days; optimal sludge reduction and ecosystem recovery achieved in 4–6 weeks.
Eliminates Nutrient Cycles: Permanently breaks down ammonia, nitrates, and phosphates to prevent growth fuels for recurring algae blooms, duckweed, watermeal and invasive weeds, and foul odors.
Eco-Friendly & Regulatory Compliance: Non-toxic, non-pathogenic, chemical-free formula complies with strict environmental regulations, eliminating risks associated with chemical treatments.
Cost Savings: Dramatically reduces or eliminates costly dredging operations by naturally removing organic debris and sediment.
Ideal Applications for NT-MAX:
Highly effective in diverse aquatic environments including:
Golf Courses & Country Clubs
Ponds & Community Lakes
Municipal Parks & Zoos
Fish Hatcheries & Aquaculture Farms
Lagoons, Reservoirs & Retention Ponds
Corporate Retreats & Resorts
Campgrounds & RV Parks
Marinas, Canals & Water Features
Wildlife Habitats & Nature Preserves
Urban Parks & Public Gardens
Safe & Easy to Apply:
NT-MAX is an eco-friendly pond clarifier, conveniently packaged in pre-measured, biodegradable packets for simple application, just toss into water, and the bacteria activate instantly. Safe for humans, pets, livestock, fish, birds, wildlife, and aquatic ecosystems, NT-MAX biological pond sludge reducer is ideal for recreational use without any chemical hazards.
How NT-MAX is Packaged and Applied
A simple visual guide to what you receive, how to apply it, and where to focus treatment.
Pre-Measured Packets
Biodegradable packets make pond and lake dosing simple, consistent, and easy to distribute.
Apply by Shoreline or Boat
Broadcast packets across problem zones, shoreline areas, coves, docks, and stagnant sections.
Focus on Active Treatment Zones
Target sludge, muck, and nutrient-rich bottom areas where organic buildup fuels recurring pond problems.
Commercial, HOA, Municipal & Governed-Buyer Use
NT-MAX is suitable for professionally managed lakes, ponds, lagoons, retention systems, stormwater ponds, detention basins, HOA lakes, golf course ponds, resort ponds, aquaculture ponds, industrial lagoons, facility retention basins, and other commercial waterbodies where organic sludge, shoreline muck, cloudy water, foul odors, decaying biomass, and nutrient pressure are recurring maintenance concerns.
This 25 lb pail is appropriate for targeted applications, smaller managed waterbodies, shoreline-priority zones, pilot treatments, supplemental dosing, and commercial programs that require a manageable purchase size. Larger HOA systems, municipal ponds, golf course ponds, industrial lagoons, stormwater basins, and large-acreage treatment programs may be better served by NT-MAX multi-pail bundles or pallet quantities.
Commercial treatment planning should prioritize shoreline muck, coves, inflows, outflows, low-circulation areas, and access points where organic sludge and nutrient-rich buildup concentrate.
Common Commercial Uses
HOA lakes, lake associations, municipal ponds, public works ponds, retention ponds, detention basins, stormwater ponds, golf course ponds, resort ponds, commercial real estate ponds, industrial lagoons, aquaculture ponds, and professionally managed water features.
Program Planning
Plan treatment around surface acreage, muck severity, shoreline buildup, coves, docks, beaches, inflows, outflows, water temperature, oxygen availability, circulation, application coverage, and whether the goal is startup cleanup, seasonal maintenance, or targeted problem-zone support.
Governed Purchasing
Product documentation is available for internal review, board approval, procurement, facility records, and compliance-oriented purchasing workflows. For purchase orders, tax-exempt orders, bulk quotes, pallet quantities, or project-specific documentation needs, contact NewTechBio before checkout.
NT-MAX is a biological lake and pond clarifier and organic sludge and muck digester. It is not a chemical algaecide, herbicide, aquatic dye, flocculant, oxidizer, disinfectant, or substitute for mechanical dredging when sand, clay, gravel, mineral silt, construction sediment, trash, or inorganic debris are the primary issue. Permit-governed sites should align product use with the site management plan, product label, applicable permits, BMPs, monitoring requirements, and any site-specific regulatory obligations.
This product is manufactured and sold by NewTechBio. Information on this page is provided by NewTechBio and is intended to supplement the product label and SDS (where applicable); it does not replace them. Always read and follow the label and all safety instructions. Use only as directed; results may vary based on site conditions and application.
Last updated for listing accuracy: 05/18/2026
How does NT-MAX biologically clear sludge, muck and decaying algae and invasive weeds?
NT-MAX Pond and Lake Treatment uses high-density aerobic and anaerobic beneficial bacteria. These bacteria rapidly digest organic waste, ammonia, nitrogen, phosphorus, and sludge. This natural biological process eliminates nutrients fueling algae blooms, creating clearer and healthier water conditions. NT-MAX also helps reduce oxygen-depleting organic load and the byproducts of anaerobic decay that drive foul shoreline odors.
How fast does NT-MAX work, and when should I expect results?
You can often see noticeable water improvements within days, with typical visible clarity improvements in 7 to 10 days. For deeper sludge reduction and ecosystem recovery, plan on 4 to 6 weeks of consistent treatment. Under the right conditions, NT-MAX can dissolve up to 1,000 pounds of sludge daily. Clarity and visibility improvements, along with odor reduction, are often among the earliest changes customers notice because NT-MAX targets nutrient overload, ammonia, and oxygen-depleting organics.
Does NT-MAX help with algae blooms, nuisance weeds, and nutrient buildup?
NT-MAX targets the nutrients that feed algae blooms and nuisance weed growth. It quickly consumes organic fuels and helps reduce ammonia, nitrates, and phosphates that drive recurring water-quality problems. This is especially valuable for decaying biomass and non-viable algae, including floating nuisance weeds like duckweed after die-off, because it removes the organic “fuel” and nutrient pressure that supports regrowth.
Is NT-MAX safe for fish, wildlife, pets, swimming, and irrigation?
Yes, when used as directed. NT-MAX is non-toxic, non-pathogenic, and chemical-free, with no swimming restrictions and no irrigation restrictions. NT-MAX is also described as 100% safe for people, pets, and the environment, with no detrimental effect on fish and other vertebrates.
Where can NT-MAX be used?
NT-MAX is engineered for broad application across lakes, ponds, lagoons, reservoirs, retention systems, canals, marinas, and managed water features. It is deployed by professionals in golf courses, municipal programs, parks, zoos, aquaculture facilities, resorts, and campgrounds. The formulation scales effectively from small private ponds to expansive lake systems.
How do I apply NT-MAX?
Application is simple. NT-MAX comes in pre-measured biodegradable packets. Toss the packets into the water and distribute them across the treatment area. For best performance, spread evenly and focus on problem zones like coves, shorelines, and stagnant areas. For faster “shoreline experience” improvements, prioritize the muck and sludge layer along beaches, docks, coves, and any low-circulation zones where organics accumulate.
Do you offer other sizes or bulk purchasing options?
Yes. For larger waterbodies, we offer multi-pail bundles and pallet quantities including 100 lb, 250 lb, 500 lb, and 1,200 lb options. For smaller ornamental or koi ponds, we also offer NT-MAX koi and garden pond clarifier sizes. If you are unsure what you need, contact our team with your approximate surface area and conditions and we will help you choose.
Does NT-MAX eliminate foul pond and lake odors like the “rotten egg” smell?
Yes. Odors commonly come from anaerobic decay in bottom muck that produces gases such as hydrogen sulfide (often described as a “rotten egg” smell). By digesting sludge and muck and helping prevent oxygen depletion, NT-MAX helps reduce hydrogen sulfide and other obnoxious gases that impact shoreline enjoyment.
What types of muck and sludge does NT-MAX digest best?
NT-MAX is designed for organic bottom buildup, including fish waste, dead vegetation, leaves, decomposing algae, and decaying weed biomass that contribute to sludge, muck, odor, and nutrient load. If your “sediment” is mostly sand, clay, or mineral silt (not organic muck), biology-based digesters are not intended to remove that mineral material.
What water conditions help NT-MAX work fastest (temperature, oxygen, aeration)?
Like all microbial digestion, performance is strongest in warmer water and improves with healthy oxygen conditions. Many pond muck bacteria programs recommend dosing when water temperatures are above about 50°F, and aeration (diffused air, fountains, circulation) can accelerate results by supporting aerobic activity and reducing oxygen depletion.
How much NT-MAX do I need per surface acre, and how do I size the project?
Sizing starts with surface area in acres and the severity and distribution of organic buildup such as sludge or muck, especially along shorelines, coves, dock zones, and other low circulation areas. To determine the correct quantity and application cadence for your water body, review the Treatment Guidelines section on this page, where you can calculate treatment needs based on acreage and site conditions. For larger lakes, complex water systems, or if you need assistance selecting the appropriate amount, please contact us at 800-509-0927. Our team is happy to help you plan an appropriate program.
Has NT-MAX been used on large-scale or regulated projects?
Yes. NT-MAX has been deployed in large-scale, professionally managed water bodies, including HOA-managed communities (lake associations, property owners associations, condominium associations, townhouse associations, master-planned communities, and gated communities), parks, zoos, campgrounds, theme parks, industrial and commercial facilities, and local and state government and military sites. These deployments include projects spanning lakes and pond systems well over 1,000 surface acres. In documented field programs and professional evaluation contexts, NT-MAX has been selected after reviewing multiple augmentation approaches for algae-related water quality objectives, with reported outcomes such as improved clarity and reduced organic and nutrient loading that can contribute to algae pressure. For documented field examples, review our HOA and community lake case studies and our regulated-basin project summary. For permit-governed or compliance-driven projects, align product use with the site’s permit conditions and management plan.
Can NT-MAX be used in stormwater ponds, detention basins, retention basins, industrial lagoons, cooling ponds, and facility retention basins?
Yes. NT-MAX can be used in professionally managed stormwater ponds, detention basins, retention basins, municipal stormwater basins, industrial lagoons, cooling ponds, facility retention basins, public works ponds, HOA lakes, golf course ponds, and similar managed waterbodies to reduce organic load on-demand. It is best suited for organic sludge, shoreline muck, non-viable vegetation and algae, odor-causing organic and introduced buildup, and nutrient-bearing waste.
What documentation is available for municipalities, HOA boards, public works teams, facility managers, and governed purchasing?
NT-MAX documentation available for review includes the product label, Safety Data Sheet, product information sheet, product certification and mode-of-action letter, Buy American Requirements Letter, and Build America, Buy America Act Letter. These documents can support municipal review, public works purchasing, HOA board approval, facility management records, environmental consultant review, federal facility review, and internal procurement workflows. For purchase orders, tax-exempt orders, bulk quotes, pallet quantities, or project-specific documentation requests, contact NewTechBio before checkout with the waterbody type, surface acreage, current conditions, target outcome, and purchasing requirements. The product page already lists these documentation assets in the Product Details and Important Information areas.
Comments/Other: Tan flowable biodegradable packets
Certifications / Registrations: N/A
Origin: Locally Manufactured, Made in the USA
Feature: High Purity, Industrial Grade, No irrigation restriction, No swimming restriction, Non-hazardous, Safe for people, pets, and the environment when used as directed.
NT-MAX Biological Lake & Pond Treatment is the industry’s leading bacterial digester and clarifier, engineered for rapid and lasting results. Leveraging ultra-high concentrations of facultative bacteria, NT-MAX aggressively eliminates excess algae and nuisance weed nutrients, clearing foul odors, cloudy water and sludge and muck accumulation. NT-MAX is a commercial-grade lake and pond clarifier with beneficial bacteria and enzymes that help digest sludge and muck, reduce odors, and improve water clarity by breaking down organic bottom solids, non-viable algae, and nuisance weeds while reducing ammonia, nitrites, nitrates, and phosphates.
Why Bottom Sludge Keeps Feeding Pond Problems
Untreated or poorly maintained ponds, lakes, and lagoons can become overloaded when fish waste, bird droppings, fecal matter, dead plants, decaying algae, dead duckweed, watermeal, milfoil, hydrilla, chara, insects, leaves, grass clippings, and twigs settle into the bottom layer. Year after year, this organic load forms nutrient-rich muck and sludge beds that keep fueling algae blooms, weeds, odors, slime, cloudy water, ammonia, nitrates, and phosphorus. Instead of only masking surface symptoms, NT-MAX helps target the source with beneficial bacteria and enzymes that digest stored organic debris and support cleaner, clearer water.
Nuisance Growth That Thrives in Fuel-Rich Water
Excess organic sludge, muck, ammonia, nitrates, phosphorus, and decaying plant material create fuel-rich conditions where many nuisance algae, floating weeds, submerged weeds, and shoreline plants can flourish. NT-MAX aggressively consumes the underlying organic fuel source by digesting stored sludge, non-viable algae and weeds, and decomposing bottom debris.
Examples of nuisance growth associated with fuel-rich aquatic environments
Floating and surface growth: duckweed, watermeal, salvinia, giant salvinia, water fern, azolla, frog’s-bit, water hyacinth, water lettuce, watershield, American lotus, spatterdock, water lily, white water lily, water chestnut, and pennywort.
Submerged aquatic weeds: Eurasian watermilfoil, watermilfoil, variable-leaf milfoil, variable-leaf watermilfoil, hydrilla, pondweed, Illinois pondweed, elodea, egeria, naiad, coontail, common coontail, fanwort, cabomba, water stargrass, bladderwort, widgeon grass, tapegrass, American eelgrass, and limnophila.
Shoreline, emergent, and marginal plants: alligatorweed, cattail, yellow flag iris, purple loosestrife, torpedograss, water primrose, parrot feather, parrotfeather, smartweed, spikerush, waterpurslane, willow, barnyardgrass, giant cutgrass, reed canarygrass, and watergrass.
Algae, cyanobacteria, and macroalgae: Spirogyra, planktonic algae, cyanobacteria, blue-green algae, green algae, filamentous algae, mat algae, bottom algae, Chara, and Nitella.
Year after year, this buildup keeps feeding algae blooms, weeds, odors, slime, cloudy water, ammonia, nitrates, and phosphorus. NT-MAX helps target the source with beneficial bacteria and enzymes that digest stored organic debris and support cleaner, clearer water.
How NT-MAX Works: Advanced Biological Digestion
Unlike chemical algaecides, NT-MAX’s highly specialized aerobic and anaerobic bacteria digest accumulated sludge, invasive weeds and algae mat stimulants, and organic fuels at their source. Billions of beneficial microbes quickly multiply, consuming nutrient pollutants and converting them into harmless byproducts like clean water, CO₂, and trace minerals.
High-Density Microbial Formula: 5 billion per gram, doubling colony count every 30 minutes, swiftly clearing organic buildup and improving water clarity.
Full-Column Digestion: Facultative bacteria thrive in all water layers: actively digesting surface scum aerobically and tackling oxygen-poor sludge deposits anaerobically.
Practical & Environmental Benefits:
Rapid Results & Lasting Clarity: Visible water improvements typically within 7–10 days; optimal sludge reduction and ecosystem recovery achieved in 4–6 weeks.
Eliminates Nutrient Cycles: Permanently breaks down ammonia, nitrates, and phosphates to prevent growth fuels for recurring algae blooms, duckweed, watermeal and invasive weeds, and foul odors.
Eco-Friendly & Regulatory Compliance: Non-toxic, non-pathogenic, chemical-free formula complies with strict environmental regulations, eliminating risks associated with chemical treatments.
Cost Savings: Dramatically reduces or eliminates costly dredging operations by naturally removing organic debris and sediment.
Ideal Applications for NT-MAX:
Highly effective in diverse aquatic environments including:
Golf Courses & Country Clubs
Ponds & Community Lakes
Municipal Parks & Zoos
Fish Hatcheries & Aquaculture Farms
Lagoons, Reservoirs & Retention Ponds
Corporate Retreats & Resorts
Campgrounds & RV Parks
Marinas, Canals & Water Features
Wildlife Habitats & Nature Preserves
Urban Parks & Public Gardens
Safe & Easy to Apply:
NT-MAX is an eco-friendly pond clarifier, conveniently packaged in pre-measured, biodegradable packets for simple application, just toss into water, and the bacteria activate instantly. Safe for humans, pets, livestock, fish, birds, wildlife, and aquatic ecosystems, NT-MAX biological pond sludge reducer is ideal for recreational use without any chemical hazards.
How NT-MAX is Packaged and Applied
A simple visual guide to what you receive, how to apply it, and where to focus treatment.
Pre-Measured Packets
Biodegradable packets make pond and lake dosing simple, consistent, and easy to distribute.
Apply by Shoreline or Boat
Broadcast packets across problem zones, shoreline areas, coves, docks, and stagnant sections.
Focus on Active Treatment Zones
Target sludge, muck, and nutrient-rich bottom areas where organic buildup fuels recurring pond problems.
Commercial, HOA, Municipal & Governed-Buyer Use
NT-MAX is suitable for professionally managed lakes, ponds, lagoons, retention systems, stormwater ponds, detention basins, HOA lakes, golf course ponds, resort ponds, aquaculture ponds, industrial lagoons, facility retention basins, and other commercial waterbodies where organic sludge, shoreline muck, cloudy water, foul odors, decaying biomass, and nutrient pressure are recurring maintenance concerns.
This 25 lb pail is appropriate for targeted applications, smaller managed waterbodies, shoreline-priority zones, pilot treatments, supplemental dosing, and commercial programs that require a manageable purchase size. Larger HOA systems, municipal ponds, golf course ponds, industrial lagoons, stormwater basins, and large-acreage treatment programs may be better served by NT-MAX multi-pail bundles or pallet quantities.
Commercial treatment planning should prioritize shoreline muck, coves, inflows, outflows, low-circulation areas, and access points where organic sludge and nutrient-rich buildup concentrate.
Common Commercial Uses
HOA lakes, lake associations, municipal ponds, public works ponds, retention ponds, detention basins, stormwater ponds, golf course ponds, resort ponds, commercial real estate ponds, industrial lagoons, aquaculture ponds, and professionally managed water features.
Program Planning
Plan treatment around surface acreage, muck severity, shoreline buildup, coves, docks, beaches, inflows, outflows, water temperature, oxygen availability, circulation, application coverage, and whether the goal is startup cleanup, seasonal maintenance, or targeted problem-zone support.
Governed Purchasing
Product documentation is available for internal review, board approval, procurement, facility records, and compliance-oriented purchasing workflows. For purchase orders, tax-exempt orders, bulk quotes, pallet quantities, or project-specific documentation needs, contact NewTechBio before checkout.
NT-MAX is a biological lake and pond clarifier and organic sludge and muck digester. It is not a chemical algaecide, herbicide, aquatic dye, flocculant, oxidizer, disinfectant, or substitute for mechanical dredging when sand, clay, gravel, mineral silt, construction sediment, trash, or inorganic debris are the primary issue. Permit-governed sites should align product use with the site management plan, product label, applicable permits, BMPs, monitoring requirements, and any site-specific regulatory obligations.
Comments/Other: Tan flowable biodegradable packets
Certifications / Registrations: N/A
Origin: Locally Manufactured, Made in the USA
Feature: High Purity, Industrial Grade, No irrigation restriction, No swimming restriction, Non-hazardous, Safe for people, pets, and the environment when used as directed.
Our Zoo has a semi-closed loop 6 mile river had accumulated substantial sludge and weed growth. After applying NT-MAX and Sonar, the weeds have reduced by 95%, the water is much clearer and our sludge levels are consistently dropping. Very satisfied with the treatment plan. Many thanks.
Alex B, SC.
★★★★★★★★★★
Best products
Verified Purchase
I manage a country club and have used the NT-MAX and Mako dye products for 12 years. and I have always been completely satisfied. The owners and staff are very knowledgeable and helpful and the products work excellent.
Carver H., California
★★★★★★★★★★
Helps our Zoo water stay clean and clear
Verified Purchase
Our safari park zoo uses the ntmax for all of our ponds, pools, moats, swamps and marsh areas. It keeps the waters very clear and rids the water of the wildlife waste and leaves. Highly recommend the product.
Catherine, S., Sprinfield Twp
★★★★★★★★★★
Excellent products!
Verified Purchase
For the last 6 years we've been using NT-MAX, Cutrine, Reward weed killer and Mako Bahama dye on all 7 of our town parks and they all look great. Excellent people to deal with. Staff is super helpful - Recommend!
Tsvi Fishman, NJ
★★★★★★★★★★
Results
Verified Purchase
Our team manages 12 Industrial parks throughout the state. We include the NT-MAX clarifier product as part of our ongoing pond maintenance. The product keeps our waters clear of infestation and sparkling clean. Excellent results every time.
David Faust, NC.
★★★★★★★★★★
Excellent products
Verified Purchase
As Operations Manager for a busy theme park, we treat several large decorative lakes and ponds. This sludge digester combined with Sonar herbicide and the Mako lue pond dye has worked great. It effectively breaks down bottom sludge and muck while giving the water a beautiful, consistent deep blue color that looks excellent for our guests. Within a few weeks, duckweeds were significantly reduced, water clarity improved, and any odors disappeared. Easy to toss apply and very cost-effective.
Oliver, GA
★★★★★★★★★★
Best product I've tried
Verified Purchase
After trying dozens of products, our greenhouse stormwater retention pond looked like a golf course regardless of what we threw at it. 1/2 gallon of Sonar and 250 pounds of NTMAX later, the pond turned out perfect. Couldn't be happier. Great products.
Kaitlyn L., FL
★★★★★★★★★★
Excellent product
Verified Purchase
Our casino resort pond which guests see when entering our parking lot has been covered with slimey algae for the last 2 years which had a terrible odor. We applied argos around the edges and NtMax microbes and the mako dye. After 3 weeks the slime is gone, the water is crystal clear and the color is lovely. Excellent product
Glen W., Kennewick WA
★★★★★★★★★★
Trial went well
Verified Purchase
Running a 60-site RV campground means guests judge the pond first. We trialed NT-MAX in early spring, documenting weekly: pH stable, odor rating dropped from 7 to 3, shoreline went from boot-sucking mud to firm sand. Kids fished on Memorial Day without sinking, and our Google reviews now mention “clean water.” Staff no longer spend Saturday mornings raking slime.
June Erb. Perry, SC.
★★★★★★★★★★
Made a big difference
Verified Purchase
We used your treatment and wanted to thank you for producing an alternative to chemical products. We are retired and have a 2 Acre pond with turtles, ducks, fish and our 2 labs use it as a swimming pool year round. The treatment has definitely made a big difference and we like knowing that our pond is safe and clear at the same time.
Gary Ranger, CO
★★★★★★★★★★
Organic safe
Verified Purchase
Our organic farm pulls from our 4-acre spring fed lake and we are extremely limited on what goes in our waters. NT-MAX combined with dye keeps the lake under control and our pumps clean. We added an aerator 3 years prior which helped, but that did not get us to where we needed to be. Highly recommend this company and its products.
Craig Svenson
★★★★★★★★★★
Hotel basin
Verified Purchase
The foul, rotten odors that plagued the area for months disappeared within days of treatment, and finally, guests stopped complaining about the odorous basin. Happy!
Kevin R., Cadillac MI
★★★★★★★★★★
Easy to apply packs
Verified Purchase
Our family cabin sits on a finger of Lake Pontiac that turns soupy green each August. The kids hated the “chocolate pea soup” bottom. I scattered NT-MAX from a paddleboard once a week. By Labor Day the brown was clear to my toes and the dog quit tracking black sludge onto the dock. Two more pails are ready for this season.
Amanda C., Haverhill, MA
★★★★★★★★★★
Works just as described
Verified Purchase
Honestly surprised at how well NT-MAX cleared up our shoreline. Every spring we dreaded the slimy buildup, but this product really did the trick. Within three weeks, the shore was cleaner, and it’s now enjoyable just to sit and relax by the water.
Holly T., Property Manager, Delray Beach, FL
★★★★★★★★★★
Very happy with the product
Verified Purchase
Our townhouse community pond always got smelly after summer rains, causing residents to complain endlessly. Tried NT-MAX this past season, and within weeks residents noticed a big improvement. Emails thanking us instead of griping. I am happy with the product and it is a win.
John Coyle. Valley Stream, NY
★★★★★★★★★★
Best product I have tried
Verified Purchase
I have been using your NT – Max Bio Packs for two seasons and I found it to be the best product I have tried for clearing up my two Koi ponds. Every time I I have been using your NT – Max Bio Packs for two seasons and I found it to be the best product I have tried for clearing up my two Koi ponds. Every time I have called, your representative provide excellent customer service and answer all my questions as well as delivering the products in a timely manner. Thanks for all your help and guidance.
Yours Truly,
Ethan L., Stowe, VT
★★★★★★★★★★
Works very well thank you
Verified Purchase
Used NT-MAX around our backyard pond to cut down on the slimy sediment. My kids hated going near the water because of the smell and gunk. Two weeks later, they're catching frogs and playing again. The odor is practically gone and the family is much happier. Thanks!
Doug R., Sanford, FL
★★★★★★★★★★
Noticeably less muck
Verified Purchase
Purchased NT-MAX to manage sludge buildup along the shoreline of our RV campground pond. I wanted something environmentally safe since we have frequent campers and wildlife around the pond. It's been about 5 months since our first application, and there's noticeably less muck at the water's edge. Also like that it's safe and non-toxic. Will definitely be ordering more in the future.
Lena R. Sarasota, FL
★★★★★★★★★★
Thank you!
Verified Purchase
Thank you for helping us solve our odor and decaying algae problems. Between the smell and the color, we were really at our wits end.
Maria P., Kent WA
★★★★★★★★★★
Works well.
Verified Purchase
Localized smell around our HOA pond was awful every July. One bucket of NT-MAX, a few tosses from my kayak, and by August the air was normal again. Not scientific, just honest relief for the neighborhood.
Irene S., New London CT
★★★★★★★★★★
Cleared our water
Verified Purchase
I manage a corporate reflection pool under a glass skywalk. For months the water looked like weak coffee. Eight weeks on NT-MAX and the bottom stones reappeared; complaints vanished. Execs think we paid for a refurb, fine by me.
Frank C., Springfield, IL
★★★★★★★★★★
Good stuff!
Verified Purchase
Our retention pond at the condo always had a stale smell. Decided to give NT-MAX a go, and within about three weeks we noticed a clear difference. It doesn't stink anymore. Good stuff!
Marcus R., Lakeville, MN
★★★★★★★★★★
Floating masses disappearing
Verified Purchase
Our pond always attracted mosquitoes and smelled stagnant by mid-summer. Sprinkled NT-MAX along the banks, and the floating mass problem noticeably lessened. Best part is the area feels fresh enough now that we’re comfortable sitting by the pond again.
Carol F., Bloomington, MN
★★★★★★★★★★
Overall satified
Verified Purchase
Our homeowner’s association maintains a moderate-sized retention pond. For years, residents complained about odors, especially during the summer heat. A maintenance friend recommended NT-MAX, and after two months of use, everyone noticed a clear reduction in smell. The pond area feels fresher now, and residents are actually enjoying sitting near it again. Pretty satisfied with this product overall.
Luke R., Brainerd MN
★★★★★★★★★★
Works great!
Verified Purchase
Our ranch drains into a wetland strip that used to clog with gunk. NT-MAX cut the sludge layer in half by mid-season and the herons are back stalking frogs. Good omen.
Tammy J., Aurora, IL
★★★★★★★★★★
Bottom sediments have visibly decreased
Verified Purchase
I help maintain several ponds at our city zoo. These ponds regularly accumulate organic buildup from ducks and geese. Decided to give NT-MAX a try because it's advertised as wildlife-friendly. Application was straightforward, and after a few treatments, the bottom sediments have visibly decreased. Staff commented that the area smells much better, too. Good product. Would recommend.
James L. in HI
★★★★★★★★★★
Works like a charm
Verified Purchase
As you know, I manage 8 larger ponds in Hawaii and have had mixed results with chemical based treatments over the last 6 years or so. I did try a competing brand that faired well but the cost was way out of range with the homeowners which led me to your product. I have been using the chart for dose amount and the product works like a charm. I notice that if I hand sprinkle directly on the dead algae, it's gone in a matter of days.
Thanks again for the help,
