Yellowing cotyledons

Popped these seeds for Bubba kush auto and we are just getting into week two of the grow and I see yellowing cotyledons. Seems a bit soon for them to be turning yellow but just inquiring to be safe.

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Yellowing cotelydons is relatively common but your back girls look like they’re not getting enough light and your medium looks far to wet especially if its not coco coir

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Seven - eight days up they should have a set of leaves and starting on 2nd. Could be genetics I had some jack herer autos that were slow to go or the environment is off. Medium, water, lights etc.

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Hey thanks I’m using root riot pods at the moment and will be transplanting to coco when they are ready. I can let them air out for a while today and let them dry up. I’m running about 80+ humidity 75-80 degrees f in a humidity dome with dechlorinated tap water.

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It means the plants are unable to get any nutes thru the roots and they are eating themselves.
Looks very wet…