So the leaves begin by looking like a burn, but they just curl up and die. Any input on what is happening to them is appreciated.
imo toxic salt buildup, which would be locking out the nutes and binding diff elements into salts or just not being fed enough, but my moneys on salt build up, check your runoff ppm and ph
yea im with these guys too...... now, after getting a big of heat burn myself over the weekend i can def see the difference.