Brown spots on lower leaves of GG4 at 28 days old...

winks00

Member
I am very sorry if this is a repeat!! I looked at all the pics of issues o line and did not notice any that look like what I have.... I had some minor edge curling since week 3 and the brown just started...

I am really hopingthis is me over reacting, again… Or at the very least, a simple fix… I have tried to stay on top of everything since this is my first grow and I really am just learning…
So, I have a 2x4 tent with a Viparspectra 600 watt LED light at about 40 inches from the plant… I have DWC pots with 2 airstones in each pot… I use Distilled water with Flora Trio, Cal-magic, and Hydroguard at 350 - 400 ppm… The pH rises, but I am keeping it at about 5.8 (if my pH meter is correct!!). I did calibrate the meter, but I just don’t trust it… My tank water temperature is about 68 degrees and the air temperature is running 72-78… The humidity ranges between 40 and 60ish.
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Let me know if you need more info…
 
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