Potus, I was referred to you from MUTT...
Basics; 400 wt HID, 2'x4' E&F Tray, 6th week of growth, strains-HPP & Bubblicious. Using Ionic nuts. Watering cycle is 1 hr every 3hrs. 18 hour light period for 2 more weeks.
Concern; roots exposed between watering cycles, harmful or not? Will they...