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Shirlie's Freshwater Aquariums Blog

By Shirlie Sharpe, About.com Guide to Freshwater Aquariums since 1998

Phosphates in the Aquarium

Saturday November 8, 2008
Phosphates (PO4) are present in every aquarium, even though many owners aren't aware of it. Even if the aquarium is well maintained the phosphate levels can rise and contribute to algae growth. Here is how to avoid excessive phosphates in your tank, or reduce them if they get too high.

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