strips

So i posted a few days ago and couldnt seem to find help. I assumed i had a fungus gnat problem down in the roots, but I have no more flyers in the garden and its been like that for a few days now. Leaves are dying left and right and I cant seem to figure if its a deficiency, toxicty, mold...

Hello: If I had a penny for every time I've time I've read 'went to check my pH, but my pH meter quit working' in a grow report or journal, I'd have about $1.20 by now. I've weighed my options and am going to use pH indicator strips from here on out. (Maybe someday I'll pay for a quality...