If the temperature and humidity are in check then you have a serious root issue. This is not pH related though. pH issues will cause mineral lockout. Leaves that taco are from too much heat, too low humidity or a root pest. This extreme stress on roots to make leaves curl is typically from some root pest.
Temp and humidity have been on point. A root problem would be a killer this late. My PH pen was reading .4 high , Got another one and flushed her with about a gallon of 6.0 , run off was coming out at 5.4. Hopefully it will get a little better. What can i do for root pests if thats the issue?
That looks like pH to me. Especially if it was overnight. Pests won’t do that in a single night unless it was something crazy going on. If you flushed, make sure you feed a decent dose soon or it will start to show deficiencies very quickly.
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