Hi.
I thought my problem gone for a while but it seems to be back in my display and my refugium tanks. I am using LED (10,000K) in display and CFL (6,500K) in my refugium. Nitrite, Nitrate and Ammonia are 0, PH is 8.0. Feeding Mysis shrimp once in 2 days. I am using only RO water, and i am...