I have a 55 gal saltwater tank that has been set up since July. I am currently running a fluval 406 canister with Phosguard, carbon and chemipure. I also have a sea clone HOB skimmer that I empty 1-2 times a week. Skim mate is very dark. My sg is 1.024 am 0 trite 0 trate 0 kh 12 ph 8.2 temp 79...