Pond-Zyme Sludge Destroyer - 16 oz.

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SKU: 199508
Manufacturer: API
MPN: 146B

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Pond-Zyme Sludge Destroyer's concentrated formula of specially selected beneficial bacteria strains create and maintain sparkling clean water gardens and koi ponds!

It immediately begins breaking down fish waste and dead algae that causes cloudy water, sludge build-up and troublesome organic debris. It digests leaves and grass clippings that may enter your pond. Through natural nutrient competition and enzymatic action, it reduces pond maintenance and keeps pond water clean and clear. Cleaner water means healthier fish, increased dissolved oxygen in your pond and a decreased breeding ground for pathogenic disease causing organisms. Safe for fish and plants. Perfect for spring, summer and autumn use.

Treats up to 16,000 gallons of water. Pond Zyme is restricted and will not be shipped to Hawaii.

For more information, read our Pond and Water Garden Installation and Maintenance Guide!


Max Pond SizeWill treat up to 16,000 gallons
Internal Id

State Restrictions


Click here for the first MSDS Sheet for this product direct from the manufacturer (PDF viewer required). Click here for the second MSDS Sheet for this product direct from the manufacturer (PDF viewer required).


Directions For Use:

Sprinkle desired dose evenly around the perimeter of the pond.

Initial Dose: Using the enclosed spoon, add one spoonful of Pond-Zyme Plus for every 100 US gallons (380 L) twice a week for two weeks.

Maintenance Dose: Add one spoonful for every 200 US gallons (760 L) every two weeks.

End of Season Dose: Same as initial dose.

Compatibility: Pond-Zyme Plus can be used in all ornamental koi ponds and water gardens. Pond-Zyme Plus is formulated to work in both cold and warm water.

Accidental freezing of this product will not reduce its performance in the pond. In cold water (below 40ºF) the activity of Pond-Zyme Plus, as with all bacterial products, will be reduced.

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