well im new but have meet a few people down here, and there is one guy and his wife that smoke in the house everyday. everyone has tried to help him everyway they know how, but his tank still looks very poor.....it has been running for over a year ...this guy has got the works...RODI auto topoff,. big skimmer...lots of water flow, icecap MH system...tons of LR,&,LS...are group is about 10 people, but they have years of reefing...and everyone of them blames the smoke....my wife will not let me smoke inside but i have got so much money in my tank now i wound'nt do it even if she let me...just a thought........... rich hancock