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I thought it was a nute def, possibly due to lockout. I now think it may be heat stress or even burning from the lights.
I have 5 bullriders and 1 OG Kush all in the same room. the bullriders didn't have any of the spots, however they did feel brittle. My only guess is that the OG is more sensitive to heat.
They are currently in the middle of week 4 of 12/12
And incase it helps, I am using
Can anyone confirm or maybe point me in the right direction? I haven't seen any of the leaves getting worse and the flowers seem to be growing just fine, but I made a few changes to my grow room and since I did them at the same time, I can't tell what worked exactly.
FYI:
That being said, I sprayed safer 3-in-1 a week before these shots were taken, and the pests were not eating the plants, just floating in the h2o so I am almost certain that this is not pest related.
I also have not had any further probs after making the said changes, I even see them getting better. I just need to know what the cause is so that I may be able to avoid it again.
Oh and I forgot to mention the the OG is about 5"-6" shorter than the Bullriders making it originally 24" away from the light. I was thinking that maybe the heat getting to 80F and the light combined caused this prob.
Thanks fellow farmers!
-A
I have 5 bullriders and 1 OG Kush all in the same room. the bullriders didn't have any of the spots, however they did feel brittle. My only guess is that the OG is more sensitive to heat.
They are currently in the middle of week 4 of 12/12
And incase it helps, I am using
- GH nutes micro, grow, and bloom at full strength
- 400w hps
- feed schedule is 12pm, 6pm, 12am everyday for 30 minutes each then however long it takes to drain back into res
- lights are on from 12pm-12am
- RH is at 37%
- res temp is 71F
- room temp is normally 73F-76F except for the week up until I took these pics which it was spiking at 81F My guess is that it was between 1-3 pm somewhere since that is the hottest part of the day
Can anyone confirm or maybe point me in the right direction? I haven't seen any of the leaves getting worse and the flowers seem to be growing just fine, but I made a few changes to my grow room and since I did them at the same time, I can't tell what worked exactly.
FYI:
- I raised the height of the light to 24"
- I added an exhaust fan to help keep the temp below 78F It had gotton up to 80F-81F during the day. Not sure how long it stays that hot since I can't check them until the evenings
- I changed the nutes and h2o in the res and used RO water
- I also took the plants out of the flood trays and hydroton then rinsed the hydroton with my water hose incase the nutes were building up and causing lockout... this also helped me get rid of lots of lil pests that I could see floating in the water
That being said, I sprayed safer 3-in-1 a week before these shots were taken, and the pests were not eating the plants, just floating in the h2o so I am almost certain that this is not pest related.
I also have not had any further probs after making the said changes, I even see them getting better. I just need to know what the cause is so that I may be able to avoid it again.
Oh and I forgot to mention the the OG is about 5"-6" shorter than the Bullriders making it originally 24" away from the light. I was thinking that maybe the heat getting to 80F and the light combined caused this prob.
Thanks fellow farmers!
-A