Thanks Fade, since im about to upgrade can you help me out and give me a link to some good info on a 2017 closed loop system? im incompetent searching and come up with your old system. I may just stop spraying out into the air and buy a can for the bottom and make a passive system, or ill buy components which still be upgradeable in the future. I already have a 1.5 inch closed column that I do a 4 minute soak on.