Sprouts getting brown spots!! Help

t5's are sweet for clones and very early veg. But if they get bigger they'll stretch.

I thought I was on my IPad with the pics, but I can post them later.
The won't really stretch, they'll just develop poorly on the bottom after a certain height. I've grown years old, very thick mothers under them. The biggest issue is they'll outgrow the horizontal space quickly unless you have a lot of room / lights.
 
So pretty much the same… they seem to be growing though. Cups still feel some heavy so think I better wait at least one more day to water with nutes. Only those 2 seem affected
 

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The plants will burn if they grow into the light. Just make sure they aren't actually touching the bulb. But yeah, T5s are the best for starting stuff.
Mine didn't ever have any issues and they would touch them sometimes. I tried keeping them 2" above the canopy though.
 
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