I sometimes I use final flush but i think that stuff might be a rip off. If I feel like my plants have over nute I guess give them water till they look ok again. Some people I know drill a hole in each corner of there table. I get over 2 lbs a light so I dont think this is a problem.

Quote Originally Posted by harris7
not the final flush, just a normal flush. Say if you over nute. with the box there isn't any way, to my knowledge, to flush out the soil