What is wrong with my leafs

Some show the curling/twisting worse than others. Some don't have it at all

Soil grow from seeds, 600w hps

Curling/twisting evident with lights on or off
 

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Huh? Where did he say anything about getting the leaves wet?
Admittedly a bad idea, but If so, that would actually help cool the leaves.
Water doesn't form "lenses" like a magnifying glass and burn leaves as is often repeated but simply not true.
 
Huh? Where did he say anything about getting the leaves wet?
Admittedly a bad idea, but If so, that would actually help cool the leaves.
Water doesn't form "lenses" like a magnifying glass and burn leaves as is often repeated but simply not true.
I water in the morning and sometimes the sun is up and starting to get hot before I finish. What I see is the leafs absorbing the water. It doesn't stay on long enough to damage the leafs.

I don't think pictures without the lights are going to show much more than the plants are way overheated. Still got to look for other problems but ...
 
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