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Old 02-15-2019, 11:38 PM #1
mimistow
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tip burn and twisted leaf

Hello world.Im newbie and i got problems with some young cannabis plants.They are 60-day autoflowers(lemon skunk x ruderalis).Some observations i made are:
-Leaf discoloration in almost any plant.
-shape dysmorphia in some of the leaves of the two smallest plants.
-Mold growth in the surface of the soil( that i scratched with a fork).
-One of the plants have burnt tips in some leaves.
-Τhey are about 20 days old and i have only watered(with tap water-no nutriets) them once when i first planted the seeds in the pot.(It seems impossible for the soil to get dry enough for the next watering) .
-I use light mix mixed with coco soil.
-Temperature varies from 17-to 25 celcius.
-Humidity 45-65.
-First week only white lights on, second week both blue and white lights on.
-I use 600W led lights that are 1.4 meters away from the plants.
-And in general plants do not look happy and healthy.

Τhank you for instance, i hope my crop wont be a total disaster!
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Old 02-16-2019, 04:45 PM #2
Dawgfunk
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Looks healthy to me! Seeds don’t leed a lot of nutrients early to thrive. Soil may just be hot. Use filtered water and ph the soil? You can bump the ph up with some calcium magnesium if need be, and u don’t need much!! Nectar of the gods ph up has worked well for me but is just liquid form of dolomite lime. Good luck and happy growing!!
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Old 02-19-2019, 12:52 PM #3
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Hmm, with 600w and 1.4 meters, I wonder what model LED light do you use?
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Old 02-19-2019, 01:26 PM #4
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I think leaf twisting occurs more often when the humidity varies a lot.

Try to keep it above 50% or better yet up to 65% when vegetating at all times.
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Old 03-01-2019, 11:37 AM #5
mimistow
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thank you !
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Old 03-01-2019, 12:02 PM #6
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Just figured out a made a mistake, actually its a 400W EVERGROW Full Spectrum SCO-560 400W LED Grow Light
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Old 03-01-2019, 12:03 PM #7
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Quote:
Originally Posted by troutman View Post
I think leaf twisting occurs more often when the humidity varies a lot.

Try to keep it above 50% or better yet up to 65% when vegetating at all times.
Thank you
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Old 03-01-2019, 12:05 PM #8
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Originally Posted by SuperBadGrower View Post
Hmm, with 600w and 1.4 meters, I wonder what model LED light do you use?
Just figured out a made a mistake, actually its a 400W EVERGROW Full Spectrum SCO-560 400W LED Grow Light
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