I usually just go with bluntwiz' technique. When I see them starting to have cloudy trichs, I start watering HEAVILY with plain water instead of nutes, but not a formal 3x pot volume flush.
If you know you have overfertilized, then by all means give a proper flush.
stinkyattic Reviewed by stinkyattic on . Flushing?? I'm confused on flushing, when and how. All i've ever done, is "flush" them at the end of the grow, the last 2 weeks, i just switch from nutrient water to straight water, and when i water, it really doesnt run out the bottom, it just gets the whole thing moist and maybe just a little dribble. is this adequete for a flush? and i saw another way in hightimes mag, and im not sure if they mean to flush it that way every time for two weeks? cuz that seems like a bit overkill to me, im just stayin Rating: 5