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ThanksDo these numbers look ok for a mixed reef?
They look OK.
Also I have a red sea trace colors kit, iodine, potassium, iron, bioactive elements, should I dose these even if I have had no calcium uptake?
Probably not. And even if you have Ca uptake, that doesn't mean the other elements get used at the same rate. Do you test for iodine, potassium, iron, bioactive elements? That's the only way to know if you should be dosing them. BTW, I don't dose any of those and I'd be willing to bet that well over 50% of the reefers here at R2R don't either. Why do you feel the need to dose those?

