I'm having some issues with my plants am using a
Clay pebbles and 4 inch rockwool with root riot in the middle
Ph 5.8 to 6.0
Using hornet coco nutes as the feeding schedule
Plants have been in 3 weeks iv been having issues for 2 weeks and it's getting massively worse there are yellow crispy leaves all over all of the plants iv fed 15 mins per hour and also constant while lights on.i have also flushed with plain water and nothing seems to be working any help would be much appreciated I feel like there all dying will upload pics when I figure out how to do it