Are you sure something is not feeding on these corals? Hitchhiker crab, shrimp, hermit crab etc.
It seems odd the chemistry is good enough for SPS but the LPS are going off. On the chance it's some chem related issue, I agree with Erin. Go simple, do WCs.
Hunt for coral eaters after dark.
It seems odd the chemistry is good enough for SPS but the LPS are going off. On the chance it's some chem related issue, I agree with Erin. Go simple, do WCs.
Hunt for coral eaters after dark.