I am not sure what is causing a slight yellowing of the leaves on my seed started plants. I acquired some high end lights this year from an auction and I am thinking maybe they are a little too intense. The attached photos show the part numbers, specs and a plant that is yellowing. The lights are 24 inches above the plants. What do you people think of this issue?.....Thanks, Mike
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Give some grow details. Watering, feeding schedules, grow medium, climate conditions in your grow space, etc. I don't see perlite or other drainage material. What are you feeding your plants?Auto/Photo Tent: Gorilla 2x4x7'11" HLG 350R, Infinity 4" w/Carbon Filter, Coco 50/50 perlite
Autopot system: 1 Purple Haze/Malawi 100% Sativa Ace Seeds
Photo Tent: Gorilla 4x4x7'11" HLG Scorpion R, Infinity 6” w/Carbon Filter, Coco 50/50 perlite, Autopot system: 2 Purple Haze/Malawi & 2 Malawi 100% Sativa Ace seeds
Nutrients: CX Horticulture - full line for both tents
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Seeds were planted 4 weeks ago (April 9th). They are watered and misted once daily. Just started adding Bontanicare Pure Blend Pro to the water at 18ml/gallon. Media is a Burpee Coconut Coir mix. Plants are in a homemade tent made from a white plastic tarp. They are sitting on a propagation mat that brings the soil temp to approximately 64F. When the lights are on the air temp is around 72F and the humidity in the tent is 42%. The seeds are purchased Humboldt seeds. I also planted some scavenged seeds that were found in last years plant and three of those "damped off" and died (hoping that is the correct term) so I thought maybe I was overwatering. The plants are in peat pots that are probably wicking away some of the moisture so I am planning on moving them into plastic pots soon. I am in mid-Michigan so moving outdoors will not occur until late May. Thanks for the response.....Mike1 Photo
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I'm pretty sure that the problem was not enough moisture. 36 hours after moving the sprouts from the peat pots into plastic solo cups they are already looking better. The peat pots apparently were wicking away to much moisture. Thanks for the input.
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Peat pots got me bad one time! Long, long time ago before growing was legal I had my only seeds up to about two inches high, in a dozen peat pots, and put them outside to catch some sun. Well short story even shorter by the time I checked them they were all mummified. Still stings to remember
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I have also found that outdoors, racoons like the peat moss cups. Don't ask me why
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