#2
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Quote:
I'm thinking your test kit is inaccurate. Could you double check your reading against either a friend's test kit or a test at the LFS? The other thought is that I'm not familiar with the Sera test kits, and most test kits only test inorganic phosphate (even the Hanna "Phosphorus" checker), but maybe the Sera kit tests both organic and inorganic? I'm going to vote on the former though. |