This just started over the past few days. Im growing two Chocolate Chunk bag seeds and its happening on both. Around the same time i noticed it start i got a new MarsHydro 600w and added a new fan in the tent. The light WAS around 18 inches at best from the plant and it is now nearly 30 in my 4 foot tent.
Could it be light burn? Wind burn? Overwatering? Underwatering? Or a nutrient issue.
My temps stay between 72-77 ish with a relative hunidity of 50-60. Running 18-6 lights right now.
Im using Ocean Forest soil and worm castings mixed in. I havent fed the plant at all yet but have the full regimen of Fox Farm nutrients at the ready. Which i guess that could be part of the problem?
Im in week 5 of veg and the older leaves are looking like the pics and the newer growth is yellowing some to a bright green and somewhat ..thin.. i guess?
I have a water PH meter out for delivery today but i have been using the same water since germination and its been fine until now.
Any help is appreciated.
I forgot to mention I did top off the pot with a few handfuls of some store bought soil (Jungle Growth) but I didnt think itd be enough to really impact it if that might be the case... I can easily remove the top inch or so and replace with newly delivered Fox Farm ocean Forest soil.
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Plants look fine in the pics. Any issues or is all well?