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I'm using bottled spring water which has a ppm of 50 before I add anything to it. The calmag instructions say to add 1tsp/gallon but I've read on some boards that I should keep adding calmag until my ppm reaches 250-300. Is that correct or do I risk burning my plants? I'm growing in soil by the...

Thanks. I haven't given them any nutes thus far except for what is in the fox farms ocean fresh. Do you think that's what is causing this?

I'm on day 8 and everything is going great except for a few problems. First, the setup -42w 6500k CFLs. I was using two bulbs with three plants under each but now I have three bulbs with two plants under each. -Half Fox Farms Ocean Fresh Half organic seed starter dirt and maybe 25% perlite...

Can you answer my question I'm gonna start soon.

What kind of CFLs do you use for vegging? Would I be alright with 27w? How different would it be from using 42w?