Need help identifying the reason for yellow spot on new plant

Terpchaser710 said:
A new plant in the tent is showing more yellowing. Could this possible be a deficiency?
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What soil is that, and what have you been giving them? The yellowish bottom leaf I would guess is from touching the soil, so I'd just pluck it off. But it almost looks like bugs and maybe not enough aeration in the soil. More info will help though.

Edit: Well shit, I'm a stoner, :wall:. Didn't even realize I've already posted here, and you already said FFHF, bongsmilie
 
PadawanWarrior said:
What soil is that, and what have you been giving them? The yellowish bottom leaf I would guess is from touching the soil, so I'd just pluck it off. But it almost looks like bugs and maybe not enough aeration in the soil. More info will help though.
Click to expand...

14 days from sprout. In 4 inch pots with happy frog potting soil Under 600 watt MH. Have only given them water. Temps and rh under control and in range.

A few others have mentioned bugs. I sprayed them with a neem oil mix yesterday ,but today sadly another plant showed new yellowing.. worried it’s gonna happen to the others that look quite healthy as of now
 

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Terpchaser710 said:
14 days from sprout. In 4 inch pots with happy frog potting soil Under 600 watt MH. Have only given them water. Temps and rh under control and in range.

A few others have mentioned bugs. I sprayed them with a neem oil mix yesterday ,but today sadly another plant showed new yellowing.. worried it’s gonna happen to the others that look quite healthy as of now
Click to expand...
Ya, I was one of them, but I'm a loadie, :wall: . The only yellow is the bottom leaf right? Could it have been touching the soil? I'm not a big fan of neem oil, but if you're doing the organic thing neem meal helps with some bugs. There's also predators.

But I'd hit them with some citric acid spray for instant killing action. I cover the soil though when I do, so all the citric acid doesn't get in the pots.

Could you be overwatering too?
 
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