I think you should lower the light back down since the consensus is wet feet. That will enable you to spend the electricity on grow lights rather than a heater (or less heater anyway).
Is everyone sure that runoff pH in coco is important? I've read a lot of advice that says ignore it if you pH your nutes and water to runoff.
Is everyone sure that runoff pH in coco is important? I've read a lot of advice that says ignore it if you pH your nutes and water to runoff.