color loss

Disclaimer: This is my quarantine tank I keep all new fish in for four to eight weeks before they go into my 300G FOWLR display tank. The quarantine tank gets four hours of direct sunlight in the morning and four in the afternoon on the other side. I intentionally let the algae grow for my...

A couple of my LPS corals are losing colour and can’t figure out what is causing it. I am experiencing an ammonia spike (of 1 mg/l) in a semi established tank. Aprox 4 months old. Completely cycled. All other corals seem to be happy. Were losing colour prior to detected spike both coral were...