Quote Originally Posted by Greenthing
Yes Satchel its best to give your res a real good clean as there is likely to be bacteria in the res i used bleach and rinse very well.:stoned:
Sorry for butting in herbie.
Its all good, and I DO recommend that, but only between crops. During the grow I wouldn't do this and I don't really know anyone who is. Its just not scalable. Plus it would kill any beneficials you have.