Leaf problem

Hi guys. I have recently transplanted my cannabis plants over to my NFT trays and have ran into some issues, I have the spider farmer SE7000 bar lights and am trying the shogun nutrients range. The EC and PH are within the correct parameters. Over the past 2-3 days the problem has occurred, I have had some temp issues but did not have that under control as was dialing the heater in with the right light intensity. Is this the cause of the leafs going funny? Had no problems at all since moving them and being under the new light. The highest temp reached 34c while the lights where on. They have still been growing too. Here are some photos. Hopefully someone can help me find what the issue was.20221016_173235.jpg
 

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