dont forget you need a ppm/ec meter
cigarettes42 Reviewed by cigarettes42 on . 1st time growing hydro...?? So I've been doing some crazy research on growing hyrdo. I have my setup ready so all I need is the nutrients, seeds, and growing mediums (rockwool starter cubes and hydroton pebbles. The only issue I have is what nutrients should I use?? Any info will help. Thanks Rating: 5