Time for a water change?

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My tank is 4 months old. And i had an issue nutrients crashing out to 0. Iv been dosing lately. And it seems i overdosed and my phosphate are 0.16 now. Should i be concerned fkr my corals at this high? Or should i do an emergency water change?

 

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My tank is 4 months old. And i had an issue nutrients crashing out to 0. Iv been dosing lately. And it seems i overdosed and my phosphate are 0.16 now. Should i be concerned fkr my corals at this high? Or should i do an emergency water change?

Probably not an emergency. Don’t know how quickly you brought them up. Corals don’t like sudden changes so if this just happened you may want to, but if it happened over days or weeks you should bring them down just as slowly. Either by small water changes or by the corals consuming them. IMO your phosphates are not dangerously high. Most shoot for lower in the hundredths vs tenths, but many talk of running nitrates 15-20 and phosphates near or at .1