Double Grape x CDLC x Mango Smile

I had a cold night which I believe curled the leaves though it may be low ph or a deficiency, I'm not sure. I watered with Cutting Edge Nutrients at half strength until runoff. Water ph was 6 as I mixed up my hydro and soil ph. I think I'll try to pay attention and wait for the soil to dry before making adjustments, I don't want to make it worse though waiting may do it anyway. I also increased the light height. I saw yellowing on the tips of new growth and tested with a PPFD app and found everything to be above 1500 so I raised lights to get about 800-900 for veg and 1200 for flowering.