When I germ, I use RO water for a week to 10 days. I don’t count germ in my runtime tho. I run the AN nutes at 1/4 for first 2 weeks of veg, then 1/2 for a week to make sure they aren’t to hot for my girls. Week 4/5 I’m full recommended amount. Then on switch, I drop to 1/2 for a week to check...