sodium

I had my well water tested a while back and my main concern is with my sodium levels. The measurement was 149.6 mg/L. Everything else seems fairly normal, maybe other then chloride levels which are 49.1 mg/L. Should I be worried? Would a reverse osmosis set up even help this? I am guessing...

Hey guys, I ordered a 600w hps and it's in the mail, I got it for $90 total. Dimmable and digital. I just found this 400w CMH from HTG SUPPLY. Which one of these two lights would you recommend for my 5'x2' flower area, and which would be best on heat and noise? Im new and it is my first grow...

Hello all, My seedlings are about 2 weeks old now from seed. They are just poking their 4th pair of leaves up now, stems seem to be thickening and so far very healthy. I've got GSC, NYCD, and Misty growing (1 plant of each, all fem except misty which unfortunately I got 2 bad seeds from out of...