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How our barley straw works: barley straw produces a hydrogen peroxide that is in low levels but constant. Why it works: barley straw works as a pond filter to prevent micro nasties getting into your water and damaging your plant life and koi fish pond.
The ultimate in koi pond supplies: barley straw for ponds is the natural way to keep your pond water clean and clear year-round. As long as the barley is decaying under the surface, it'll keep your pond clean and pristine. It’s a clean, organic and eco friendly option without harmful dumping chemicals into your water.




Easy to use & rapid acting: contains 30 watersoluable packs that treat a one acrea pond for two months, 4 million gallons. Our formula contains billions of engineered biological cultures that digest organic waste keeping water crystal clear.
Multi-purpose performance: Perfect for lagoons, beaches, small lakes, shorelines, streams and more.3-in-1 power for crystal clear water: algae alligator's powerful biology prevents/reduces algae, eliminates muck, increases water clarity.




1. API
#ad
FISHAQUARI 169G, API POND ALGAEFIX Algae Control 32-Ounce Bottle
#adAPI #ad - Effectively controls green water algae, string and hair algae, blanketweed algae. Will not harm fish and plants when used as directed. Contains one 1 api pond algaefix algae Control 32-Ounce Bottle.More information #ad
Dose every three days until algae is controlled and then treat weekly. Controls green water to keep pond water clean and clear in ornamental ponds and water gardens.Brand | API #ad |
Manufacturer | Mars Fishcare #ad |
Height | 9.5 Inches |
Length | 4.5 Inches |
Weight | 2.18 Pounds |
Width | 3 Inches |
Part Number | 169G |
Model | 169G |
Warranty | kkk |
More information #ad
2. Vet Recommended
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Vet Recommended Barley Straw for Fish Ponds and Fountain 16 Oz. Treats up to 3000 to 5000 Gallons, 100% Safe & Natural Pond Cleaner. Keeps Your Water Garden Clean & Fresh. Made in USA
#adVet Recommended #ad - In this guide, you’ll discover how to use your barley straw for optimal results. Barley straw pdf guide included: there are many myths and misconceptions about what barley straw is and how to use it.How our barley straw works: barley straw produces a hydrogen peroxide that is in low levels but constant. Why it works: barley straw works as a pond filter to prevent micro nasties getting into your water and damaging your plant life and koi fish pond.
More information #ad
Have peace of mind that you've created a preventive koi pond filter. 100% safe for your koi fish pond: barley straw bales is the perfect option in koi pond accessories. The ultimate in koi pond supplies: barley straw for ponds is the natural way to keep your pond water clean and clear year-round. As long as the barley is decaying under the surface, it'll keep your pond clean and pristine. It’s a clean, organic and eco friendly option without harmful dumping chemicals into your water.
Brand | Vet Recommended #ad |
Manufacturer | Vet Recommended #ad |
Height | 11 Inches |
Length | 7 Inches |
Width | 6 Inches |
Part Number | 43237-2 |
Model | 43237-2 |
More information #ad
3. API
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1-Pound Container, API POND-ZYME SLUDGE DESTROYER Pond Cleaner With Natural Pond Bacteria And Barley
#adAPI #ad - Contains one 1 api pond-zyme sludge destroyer pond cleaner With Natural Pond Bacteria And Barley, 1-Pound Container. Contains natural active ingredients to break down fish waste and consume pond sludge.More information #ad
Helps to reduce overall pond maintenance and keep pond clean. Breaks down dead algae and digests leaves and grass clippings. Use twice a week for two weeks in ornamental ponds for start-up, end of season, then once every two weeks for regular maintenance.Brand | API #ad |
Manufacturer | Mars Fishcare #ad |
Height | 6.5 Inches |
Length | 4 Inches |
Weight | 1.25 Pounds |
Width | 3.5 Inches |
Part Number | 146B |
Model | 146B |
More information #ad
4. API
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1 Count., API POND & WATERFALL CLEANER Pond Cleaner 2.2-Pound Container, Pack of 1
#adAPI #ad - Safe for all fish and aquatic plants. Cleans pond surfaces, waterfalls, and decorative rocks. Deep cleans ponds, birdbaths, and fountains on contact with the power of active oxygen.More information #ad
Use to deep-clean all elements of ornamental ponds, birdbaths, or fountains. Contains one 1 api pond & waterfall cleaner pond Cleaner 2. 2-pound Container.Brand | API #ad |
Manufacturer | Mars Fishcare #ad |
Height | 4 Inches |
Length | 5 Inches |
Weight | 1 Pounds |
Width | 2 Inches |
Part Number | 167S |
Model | 167S |
More information #ad
5. API
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API POND SIMPLY CLEAR Pond Water Clarifier 16-Ounce Bottle 248B
#adAPI #ad - Use every two weeks in freshwater ponds for best results. Clears cloudy water and consumes sludge quickly with a powerful dual-action solution. Safe for freshwater ponds, fish and pond plants, as well as surrounding wildlife and pets.More information #ad
Contains one 1 api pond simply clear pond Water Clarifier 16-Ounce Bottle. Clumps floating particles into large clusters and breaks down dead algae, sludge and fish waste.Brand | API #ad |
Manufacturer | Mars Fishcare #ad |
Height | 5 Inches |
Length | 2 Inches |
Weight | 1 Pounds |
Width | 2 Inches |
Part Number | 248B |
Model | 248B |
More information #ad
6. Eco Strong
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Pond Water Cleaner & Clarifier | Powerful 3 in 1 Bioactive Treatment Treats up to 4 Million gallons
#adEco Strong #ad - No need to buy a pond drege and pond product to enjoy a beautiful healthy pond. And reduces foul standing water odor. Produced in an american FDA certified facility insuring purity and consistant performance.Easy to use & rapid acting: contains 30 watersoluable packs that treat a one acrea pond for two months, 4 million gallons. Our formula contains billions of engineered biological cultures that digest organic waste keeping water crystal clear.
More information #ad
Safe & powerful: swimming, pet and fish safe. Contains the widest variety of all natural biologic strains. Algae Alligator does it all. Restores & maintains balance: large bodies of standing water accumulate organic waste that plant based organisms feed on which results in micro-plant based sludge. Multi-purpose performance: Perfect for lagoons, beaches, small lakes, shorelines, streams and more.3-in-1 power for crystal clear water: algae alligator's powerful biology prevents/reduces algae, eliminates muck, increases water clarity.
Brand | Eco Strong #ad |
Manufacturer | Beyond Environmental, llc #ad |
Part Number | AA9.75 |
Model | AA9.75 |
Warranty | 100% Customer Satisfaction |
More information #ad
7. API
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API Pond Ecofix Sludge Destroyer Pond Water Clarifier & Sludge Remover Treatment 64 oz Bottle, White 147D
#adAPI #ad - Use twice a week for two weeks for initial dose, quick clean up and end of season, and once every other week for maintenance. Contains natural active ingredients to break down fish waste and consume pond sludge.More information #ad
Contains one 1 api pond ecofix sludge destroYER Pond Water clarifier and sludge Remover treatment 64-Ounce bottle.Brand | API #ad |
Manufacturer | Mars Fishcare #ad |
Height | 26.32 Inches |
Length | 6.75 Inches |
Weight | 3.25 Pounds |
Width | 12 Inches |
Part Number | 147D |
Model | 147D |
Warranty | kkk |
More information #ad
8. Crystal Blue
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Crystal Blue Natural Pond Cleaner, 1 Gallon, Muck and Sludge Remover, Safe for Koi
#adCrystal Blue #ad - 1 gallon treats 1 surface acre, 4-feet to 6-feet deep. Eliminates muck, dead leaves, odors and other organic matter that can harm a pond or lake.More information #ad
This product is not meant for algae treatment. Safe for humans, livestock, birds, pets, swimming, fish, consumption and irrigation. Super charges naturally occurring bacteria to consume micronutrients.Brand | Crystal Blue #ad |
Manufacturer | Sanco Industries #ad |
Height | 12 Inches |
Length | 6 Inches |
Weight | 9.2 Pounds |
Width | 6 Inches |
Part Number | 114 |
Model | 114 |
More information #ad
9. HELIX LABORATORIES, INC.
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Ponds, Pristine Pond Cleaner and Clarifier with Highly Concentrated Beneficial Bacteria. Reduces Muck, Solids, Water Features. Safe for Koi, and Sludges in Lagoons
#adHELIX LABORATORIES, INC. #ad - Made in the USA. Reduces muck, sludge and Solids in Ponds, Lagoons and Water Features. Plastic scoop included - treats Up to 237, 500 Gallons Per 2. 5lb container. Professional strength Pond Cleaner and Clarifier Promotes Clear Healthy Water. Safe for people Pets, Koi Fish and Plants.More information #ad
Brand | HELIX LABORATORIES, INC. #ad |
Manufacturer | HELIX LABORATORIES, INC. #ad |
Weight | 2.5 Pounds |
More information #ad
10. Aquascape
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White, Aquascape 98896 SAB Stream & Pond Cleaner Pond Water Treatment, 7-Pound
#adAquascape #ad - Reduces ammonia, nitrite and phosphate. Reduces water feature maintenance. Breaks down debris in ponds, streams, and waterfalls. Maintains a balanced ecosystem. 1 scoop: treats up to 1000 gal. 3, 784 liters.More information #ad
Brand | Aquascape #ad |
Manufacturer | Aquascape, Inc. #ad |
Height | 7.5 Inches |
Length | 7.75 Inches |
Weight | 0.6 Pounds |
Width | 7.5 Inches |
Part Number | 98896 |
Model | 98896 |
More information #ad