ok first things first, a pH pen is a MUST for hydro!

when using distilled, you MUST use calmag+!

i'm not a hydro expert, so take this with a grain of salt, but i believe that when you have PPMs that are that low that means the water has nothing in it (or something like that). distilled is basically pure water. your plants are burning up any nutrients that you are adding quickly.

you might want to keep an eye on the res temps. i think 70F is a a good temp to aim for. again, not a hydro expert.

hopefully one of those experts will chime in.

good growing!


-shake