I am having issues with ph and res Temps. I am growing Critical XXL Auto by garden of green. 3 weeks in Veg in a 32×32×64 tent. I am using rockwool and hydroton in a 5 gal bucket setup with drip feed with intervals at 20 min per hr. I am using a viparspectra v300t led light 26 inches away from the bucket on 20 -4 light cycle. Temp with lights on 75 -82F ,Lights off 76-72 lights off.
Humidity ranges in between 66-49%.
PH ranges in between 5.8 and 6.7. I using distilled water instead of tap water my tap water has a PH of 8 and Tds of 256. I am using Advanced Nutrients 3 part plus some extra additives
Week1
CalMag - 2ml
Micro- .75ml
Grow- .75ml
Bloom-.75 ml
Voodoo Juice-1ml
Great White-1/2 teaspoon
Bio Root - 1ml
Week2
CalMag - 2ml
Micro-1ml
Grow-1ml
Bloom-1ml
Voodoo Juice-1ml
Great White - 1/2 teaspoon
Bio Root - 1ml
Week3
Silica Blast-2ml
CalMag -2ml
Micro-2ml
Bloom-2ml
Voodoo Juice-2ml
Great White -1teaspoon
Bio Root 2ml
Revive -5ml
3% Peroxide-4ml
Any tips or feedback will be greatly appreciated

That's what I thought also. Also when my lights go off my temp is not going down it goes from around 78f to 82f, I have humdifier set to kick on when the lights come on. Am I doing it wrong?