@tinytoon - Yes they are, they have like 4 holes on each side...personally I like em, they work just like net pots I suppose but you can toss em' and don't have to worry about cleaning them or whatever. Also, they only cost me like 30 cents a bag so they are cheap as well. I buy the one gallon bags because I figured anything bigger the plants would get to big for my grow.
bertoxxulous Reviewed by bertoxxulous on . E&F Watering (rockwool in geolite) Ok. So I am using ebb&flow system, ~6 inch deep 2x4 flood table with 40 gallon resv. I am watering my plants four times a day, for 30 minutes at a time. First water starts 30 minutes after lights turn on. Last watering ends 3 hours before lights turn off. It seems I'm getting what LOOKS like overwatering. There are alot of other elements at play here and if your interested I have a long ass post in the "Plant Problems" section but what it boils down too is I'm testing on the current Rating: 5