Auto 2.0 Trio - OG Kush, Bubble Gum, Jack Herer - Autoflowering Indoor

Started all 3 seeds with a 24 he soak in well water.
2 cracked open with mini tails, OG did not.

Planted all 3 in Burpee Coco Coir Seed Starting Mix.
After 36 in soil all 3 had emerged as seedlings.

All have been under 5000 kalvin / 5000 lumen White LED lights, generating about 8k - 10k lux. Have two 2000w lights shipping to me now.

Photos below are from day 7. All 3 are beginning to show their second set of true leaves.

BubbleGums first set of leaves have a slight curl to them and a tiny yellowing to the ends. Could this be a calcium deficiency?

There are holes in the bottoms and sides of each cup.

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I would watch how much you water. Some seedling potting mix will have water crystals in them. These will hold more water than normal. Get a feel for a dry cup of the mix then water when the cups are feeling lighter again…

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Quick photo update these 3.
Just got in my 2000w led lights today. Figuring out how high to hang them.

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BubbleGum Day 20. Roots are at the bottom of the solo cup. Waiting on coco delivery to transplant. Feeding Advanced Nutrients grow micro bloom.

The OG in the background is still super small and has a purple stem still. Should I transplant it? It’s in a seed started but it need water only 1/2 as much as the other 2 which are in a different coco based seed starter.