Why test for Phosphates?

Discussion in 'General Reef Topics' started by mabbus, Oct 11, 2011.

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  1. NanaReefer

    NanaReefer Fu Manchu Lion Fish

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    If you have algae then you already know you have po4~the algae then becomes your test kit. Why waste your money testing for something you already know you have.
     
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  3. Dingo

    Dingo Giant Squid

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    Aug 1, 2009
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    not necessarily true... you can have phosphates without algae. Then all it does is impede your coral growth