Its a 29 gal. tank with sps and lps, i dont run carbon. But i do a 12 gal wc a week. Since having it doing water changes hasnt changed anything.
I have 2 favia's, a open brain, frogspawn, torch, xenia, trumpet, tiny hammer some zoas, and a 6 rics and about 15 sps frags.
Everything else is...