Leaf Deficiency? Have pics

Did you recently pH your water?

Tested at 7.0 was a bit high flushing now with 5.7 ph

All this pHing can cause issues if you have a large margin of error in your pHing. Like. The # of drops of pH down, the +/- of your probe…

how close is the light? And what’s the temperature in there. Maybe it got cold.