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#1
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![]() IME the easiest and most accurate NO3 as well as PO4 test is using your eyes to closely monitor the colour/vitality/growth of your corals.
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#2
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![]() Those nitrate monitors are way to expensive!! I had no idea.
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- Greg 90G : Light - Tek 6xT5 | Skim - EuroReef RS135 | Flow - 2xVortech MP40W | Control - Reef Keeper 2 |