Anytime I've ever used them I just soaked them and stuck the clones in, with no problems.

On the lights. Of course HPS is much better than MH for the flowering phase, and the more the better as far as its power is concerned. But, the 600w is gonna put out more heat, and in a small confined area you will want to make sure that you have a good ventilation system (even with a 400w), so just make sure the girls don't get too hot.

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SpaceNeedle Reviewed by SpaceNeedle on . 1st time hydro questions Hi all, I'm getting ready to start on my first adventure in Hydroponic growing and had some questions that I haven't really found clear answers to. Been growing in soil for a while, but I really want to get away from the mess of dirt. I have a space that is about 3x3 (a little bigger actually) and currently have a 400W MH. I am going to get a HPS lamp soon, either 400 or 600 not sure yet which one but leaning towards more light (600). I built an ebb & flow setup from a conrete Rating: 5