OK. So one of my lights is an HLG100, which draws 119 watts from the wall versus your 110 watts. Assuming they're about equal in intensity, I'd back your light off to 24" and run it not more than 16 hours/ day. Keep up your adjusted/proper watering. Since you're using a starter mix, it shouldn't have much in the way of nutrients, so they'll probably want something, but there's probably still some nutrients in the soil from prior feedings. I'd wait maybe two days and then start with a diluted mix - maybe 1/4 strength, not higher, on the nutes and see how they respond. As you get used to your plants and your setup you can dial in your variables, but I doubt you'll want your light closer than 18" ever, if even that, or need it on more than 18 hours/day. I doubt you'll need to go beyond 50% of the recommended feeding level with the nutrients, either, but that's just my best guess. Dial in on the feedback you get from your plants, but start on the low end and increase versus the risk of stressing them with too much light or feeding now.Â
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Your plants don't look in particularly bad shape and I suspect with a few small adjustments they'll quickly be doing great. Just don't expect them to look great immediately. Evaluate the new growth over the next two weeks and you should see good things.
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Good luck!