yellow leaf spot

Haze Berry Auto End of week 3 (from germination) Coco (80 coco 20 perlite) buffered with 1200EC calmag Fed once a day when temperature was 26 degrees inside tent, now at week 3 temperature outdoor is 33 degrees celcius and inside tent is 31 and I am feeding twice a day (1x right before lights...

hey everyone, I have recently set up 2 *feminized photo period White Widow* in a mars hydro 3x3x7 tent, tsw2000, 8'' fan, 5gal dwc, flora series nutes, and this is my first time growing hydro. over the past couple of days I've noticed some yellow/brown spots showing up on their leaves. plant A...