Description
Biodegradable PHA polymer pellets that act as a carbon source for bacteria. The bacteria grow on the pellets and pull nitrate and phosphate out of the water.
- 900 mL treats 300 gallons
- Full dose is 1/4 cup per 20 gallons (3 mL per gallon); DrTim’s suggests starting at one-third dose
- Must run in a fluidized reactor that keeps the pellets tumbling
- Allow 2 to 4 weeks to start working; replenish every 6 to 9 months
- Rated for all aquariums and safe for fish and corals
Shipping See current rates and ship days.
Shipping & Returns
- Equipment and dry goods ship at their own rate. Free shipping at $349 or more applies to qualifying livestock only — corals, fish, inverts and live copepods. The $10 box & handling fee is a livestock packing fee and does not apply to dry-goods orders.
- All sales are final on equipment and dry goods. We are a retail store, not the manufacturer.
- Register your product with the manufacturer and keep your receipt — their warranty is how a faulty unit gets replaced, and they are faster at it than a shop could be.
- Not sure who to contact for a warranty claim? Call us and we will point you to the right place.
Ships from our Key West store · (305) 850-9949









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