Im having a problem with my plants leaves curling up ,2 are showing leaves curling up ..
They are under 400 watt MH (Air Cooled )18/6
Watering 3 times a day 20 minutes 5 am 2 pm and 7 pm
3 GH WaterFarm with hydroton 2 gallon resevoir
Tornado fan blowing across plants
Nutrients GH Flora...