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Help please! Heat stress signs? Deficiencies?

Need help. Plants keep showing signs of heat stress so I keep lowering the temp and moving light away and reducing ballast power. Won’t go away. Also the leaves are showing signs of issues but I can’t figure it out. The oldest leaves turn dark green and shiny with some brown spotting and twisted weird. I have a link to my grow journal with a bunch of pictures and info. But I’ll post the heat stress leaf and try and show the weird green leaf.

Any help or thoughts is appreciated

 
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