- The #1 treatment for algae control
- Powerful and fast acting
- For use in ponds, fountains and waterfalls
- Safe for use with live plants and fish
- Registered with the EPAÂ Â (E.P.A. Registration #8709-8)
- View cart You cannot add that amount to the cart — we have 3 in stock and you already have 3 in your cart.
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- Increases water clarity
- Eliminates odors caused by hydrogen sulfide, dead plant material, and fish waste
- Reduces ammonia and nitrogen levels
- Dissolves away organic sludge
- Improves dissolved oxygen levels
- Effective in a wide range of pH conditions and water temperatures
- 5lb block treats up to a 5 acre of water (1.6 million gallons)
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- Increases water clarity
- Eliminates odors caused by hydrogen sulfide, dead plant material, and fish waste
- Reduces ammonia and nitrogen levels
- Dissolves away organic sludge
- Improves dissolved oxygen levels
- Effective in a wide range of pH conditions and water temperatures
- 1lb block treats up to 1 acre of water (325,851 gallons)