Reef Discussion
Hi all!
120-gallon Reef tank with a mix of SPS, LPS, Zoanthids and Mushrooms.
Tank has been up for 8 years. Started as reef, ran as fish only for 3 or 4 years, 1 1/2 years under current reef run.
At first, everything was thriving. As time goes on, most non-sps corals are losing health...