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Just following along here, but if I am already having good results using Pro Bio S and NP Pro then I am assuming there is really no reason to switch to NitraPhos Minus? Nitraphos Minus is primarily used instead of NP Pro if your nitrates and phosphates are not being well controlled with NP Pro, but whichever product you use, you should still ought to use it in conjunction with Pro Bio S....is that correct?
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