Dirlewanger1945
420 Member
Hi, my plant is developing brown yellowish spots on the larger fan leaves. See photos.
Not sure if it’s a cal/mag deficiency or light burn. I did just add the bloom light as well as veg.
Plant is Do Si Dos from Dr. Seeds
Plant is 34 days old in veg
Light is a viperaspectra 450w led
Light is 13 inches away from the top of the plant.
Grow tent is 3x3
Growing in a 5gal cloth pot with cococoir with a 70/30 coco to perlite mix.
Coco was buffered to 5.6 and soaked in a 150% cal mag solution before transplant.
Using Advanced Nutrients PH perfect MGB 3 part at half strength
Using Advanced Nutrients Sensi cal cal mag and iron solution at 2ml per litre
I mix my nutrients in 4 litre batches. PH is 5.6-5.8 I let it vary but keep it in that range.
I water 2 times daily until I get 20% run off. Approximately 500ml for each feed
Latest run off had a PH 5.7
RH is 60-70 percent
Temperature is 25c day and 21c night.
Light is set at 18/6 schedule
I’m pretty new at this, second grow first time in cococoir.
Cheers
Not sure if it’s a cal/mag deficiency or light burn. I did just add the bloom light as well as veg.
Plant is Do Si Dos from Dr. Seeds
Plant is 34 days old in veg
Light is a viperaspectra 450w led
Light is 13 inches away from the top of the plant.
Grow tent is 3x3
Growing in a 5gal cloth pot with cococoir with a 70/30 coco to perlite mix.
Coco was buffered to 5.6 and soaked in a 150% cal mag solution before transplant.
Using Advanced Nutrients PH perfect MGB 3 part at half strength
Using Advanced Nutrients Sensi cal cal mag and iron solution at 2ml per litre
I mix my nutrients in 4 litre batches. PH is 5.6-5.8 I let it vary but keep it in that range.
I water 2 times daily until I get 20% run off. Approximately 500ml for each feed
Latest run off had a PH 5.7
RH is 60-70 percent
Temperature is 25c day and 21c night.
Light is set at 18/6 schedule
I’m pretty new at this, second grow first time in cococoir.
Cheers
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