Whats up D.D
As far as the plugged driprings I flush my system w/ G/H Florakleen at the 12/12 lightcycle switch and haven't had anymore buildup probs. since . Just the damn roots up the lil 1/8 in. tube at about the 2nd week of flower every grow . I grow huge crazy plants in them though - you may not have the problem ?
Doco , and Weedhound are prob. lurkin and watchin too .

Thanx for the airstone link , had them in 3 days cali to mich. :thumbsup:
Peace
Crispi :jointsmile: