asuekim1 wrote:Calmg?? nutes,boron?manganese? all produce spotty leaves, none I have seen so severe. Appears they recovered decent. Nice grow.., I have had issues with the proximity of the light, so 8-12 inches is the closest I let it get, When they were in veg 2 of 3 got really green and I had all kind of nute issues, so I dropped to plain water (DWC) and feed them every other day adding approx 100 ppm tds GH nutes and calmag. My R/O auto adds Calmg and the light really is signifigant, I think with the 440 less is more, .
rkymtnman wrote:yikes!
probably too late to fix anything now.
how soon until you harvest?
looks like you had a few things going on: pH, nute burn, cal/mg deficiency.
can you answer a few things:
what was the pH of the water you were feeding with?
what was the ppm/EC of the nute solution you were feeding?
did you ever just flush them with pH'd water during the grow?
were you using just nutes and water? any other additives?
what were your temps and humidity levels?
not light burn if you they were only 18" away from the LED.
figure out what was wrong and correct for the next grow and you should be OK
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