API Pond-Zyme Sludge Destroyer
API Pond-Zyme Sludge Destroyer is a natural bacterial pond cleaner made with beneficial bacteria and barley to help break down fish waste, dead algae, leaves, grass clippings and organic sludge.
It’s a good option for seasonal pond clean-ups or ongoing maintenance where organic waste is building up around the pond, pumps or filtration.
We use this product on just about every pond service we do!
Why Use Pond-Zyme?
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Helps break down pond sludge
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Digests fish waste and organic debris
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Helps consume dead algae
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Contains natural bacteria and barley
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Helps reduce waste buildup around pumps and filters
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Useful for spring and end-of-season pond maintenance
How to Use
Sprinkle evenly around the perimeter of the pond.
Spring Start-Up / End of Season
Dose:
4 teaspoons per approximately 757L
Use twice per week for 2 weeks.
Ongoing Maintenance
Dose:
2 teaspoons per approximately 757L
Use once every 2 weeks.
Keep your pond pump running while using Pond-Zyme.
Pond-Zyme vs Ecofix
Both products are designed to help break down organic pond waste.
Pond-Zyme uses beneficial bacteria plus barley and comes in a dry powder format.
Ecofix is a concentrated liquid bacterial treatment.
Either can be a good option for sludge and organic waste, so the choice often comes down to which format you prefer.
Simply Fish Recommends
Physically remove large leaves and heavy debris before treating the pond.
Pond-Zyme is there to help break down the organic material that remains — not replace basic pond cleaning altogether.
It’s also useful after treating an algae bloom, as the bacteria can help consume the dead algae left behind.
FAQ
What does API Pond-Zyme do?
It uses beneficial bacteria and barley to help break down fish waste, dead algae, leaves and pond sludge.
How often should I use it?
For seasonal clean-ups, twice weekly for two weeks. For maintenance, once every two weeks.
Should I turn my pond pump off?
No. API recommends leaving the pump running during treatment.
Is Pond-Zyme an algae treatment?
Not directly. It helps consume dead algae and organic waste rather than acting as a primary algaecide.
Can I use it after API Pond Algaefix?
Yes. This is a good combination because Pond-Zyme can help break down the dead algae after treatment.
What sizes are available?
Simply Fish stocks 227g and 454g sizes.
