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Discussion Starter #1
I got an API phosphate test kit but it consistently reads my filtered water and tank water at .25, no matter what. I've heard this is a common problem, is the test kit faulty? What's a better one, and reviews on this product?
 

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Discussion Starter #3
It's a dual filtration system by GE. Not quite RO but it comes close and I also run my water through chemical filtration and carbon
 
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