General Reef Discussion
Hello all!
First I'd like to apologize if this is not the right place to post this thread, I am a new member to Reef Central.
Anyway, I have a 20 Gallon Long tank (30 x 12 x 12), with about 20-25lbs of live rock, 15lbs of dry sand, a SunSun Hw302 264GPH Pro Canister Filter Kit, a hang on the...