Whats wrong with my plants?

[jrl589]

Ok thanks a lot for the help i'll see if i manage to fix it. But could anyone tell me what might have happened? Because i checked on them last night before i went out and they were looking great, nothing was wrong with them. But then when i came home like 2 hours later they looked like that with the leaves all dried up and shrivelled. What could do that to a plant so quickly?

[Weedhound]

didn't have them in a really cold spot for awhile did you?

[Weedhound]

or overwater them? Or underwater? without info........

[jrl589]

No i kept them at like 27-30 degrees celsius all the time, i had both low ryders and blueberrys. I had just switched the blueberrys to a 12/12 cycle like 2 days ago but that cant be the cause of it because the low ryders r dying as well and they were in separate grow rooms. I watered the blueberrys once a day since i switched to 12/12 and divided about 1L of water between 3 of them everytime i watered, and the lowryders i watered twice a day with a little less then a liter between them each time, i have 2 lowryders btw. The reason i hve trouble understanding how this happened is because they were doing great before and the only thing i had changed was the light cycle.

[oSecretGardeno]

I'm no expert, but I am pretty sure the leaves curling up is a sign of heat stress from a high temperature to heat ratio.

Whats the RH% and has it gotten really hot lately? You say 27-30 C, so that is like 86F? You can wait for an expert to come by but I am pretty sure that is a tell-tale sign of heat stress.

Just my :twocents: