dass
Well-Known Member
im a 2 year rookie and ive been using straight RO soil with no mixs and no ph testing. no problems. now RO is having problems with low ph soil and gnats. and so am i. i have SLH in 4 weeks flowering which one hasent even finished forming the first flowers. and some blue widow,fruit auto, black widow, kush ryder vegging and there in the same soil. i need to fix this problem now before the flowering takes place. what can i mix in my soil to fix the problem. also im using house and garden nutes.