Its been working great so far.......have 11 sativas in a 20 gallon tub with a misting system and water on the bottom with the airstone and a pump...its my 2nd grow Ill have some pics up soon...as soon as I figure it out...kind of just wonder how much buds I can get out of it....as of right now there 40 days in flowering...any tips an tricks would b sweeeet so hook it up on the info..