cheers for that hudson,a got the bubbler system all set up lastnight to give it a test run and check everythin was workin,everythin seems to be runnin as it should,i think ill check up on this flairforms your using,when you talk about the water temps (rez) bein around 20 - 22c does that mean you cant just fill up from the cold tap? i got my bubbly from ebay,but dont think ill trust gettin all my other gear off it,ill just need to go to my hydro store but the 2 blokes are always too stoned to give good information,dunno how they aint been jailed the smell of bud is immense when you walk in the door lol,anyhows am away to check on your grow post,aint had a look for a week or so now!! cheers for the info m8