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- Dec 21, 2018
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Lots of good advice here, I'll add mine. I test weekly Alk, Cal, Mg, (big 3) NO3, PO4, Salinity & temp. I only do a WC if my nutrients are high. As long as everything else is stable I just add trace elements weekly. When you start to see coraline algae you will notice your big 3 being consumed. This is when you would start dosing. Take the difference of your weekly readings and divide by 7 and you have the daily dose. Use the BRS calculator to figure out how much of what additive. You can start dosing by hand, but a dosing pump will make life easier. I would also get some better test kits. API is ok to start but there are more accurate tests out there.