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Originally Posted by Tonz of fun  I agree with Wes. Some Salfiert test are crap. I know phosphates for sure. But you gotta use a refractometer. I used the hydros. When I got my refractometer I noticed immediately that there were some discrepancies. |
Tonz, $22 later I found out that Salifert PO4 kit wasn't as good as some of their others, I will be switching to Seachem for that one if they carry it.