If you can't afford a $7.00 freswater aquarium ph test kit, you can google your local water quality report, which should have pertinant information about your local tapwater.
But Like Washougal said...please copy-n-paste the troubleshooting form here, and fill it in as best you can. (no guesswork...if you don't know, just say so)
Rusty Trichome Reviewed by Rusty Trichome on . Yellow crispy fan leaves on 4 different strains.Deficiency or hard water? Hello people.It's been about 10 days I have this problem and it seems it's getting worst gradually.I'm growing 4 different strains:Masterkush, Super Silver Haze, Ice Cream and Blue Cheese. Here are some pictures: 279005 279006 And the most affected plant, masterkush: 279007 Rating: 5