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ok, thanks a lot for the help.

I am growing in coco coir, my mistake. then I guess my ph meter is either broken or inaccurate. it did measure 6.5 after i poured in calmag water the other day.

if my ph levels are off, how come the grow is so robust? it looks like i'll be able to pull 2-3 zips off each plant.

my soil ph is between 7 and 7.5. calmag water is about 7. and nute water is 6.00. i have a single 600w light

I can't really do much for the temps. It rarely hits 90. I could vent cool air in, but I have a eagle eye neighbor who notices everything. Even noticed and commented on the fact that I had one window open in the middle of winter. I have 9 plants. The lights are 600w HPS. what do you mean by back...

Novice grower here. I am now in my 6th week of flowering and I noticed a few weeks ago that the tips of my fan leaves were starting to curl up and were brittle to the touch. I suspected it was a cal mag defiency, because I am using a coco coir/perlite mix and forgot to mix in cal/mag, so for the...

Thanks a lot for replying! Big help!

Hello, novice grower here- this is my 3rd grow. I am currently about two weeks into bloom, using 600 watt HPS lights. I woke up this morning to find that my lights had not turned on. I found out that my lighting system is faulty. I was able to get it to turn on using my MH bulb, but only after...