Rockwool has a neutral pH of 7. Roots in an inert media prefer a pH of 5.5-6. Soak the rockwool in a 5.5 pH solution for a few hours before use.

Until a few days before harvest. You want the plant to pull out as much moisture from the pot as possible before harvest. Don’t water and harvest the same day because of guttation risks. Guttation sap can cause mold in buds.

Dichlorvos is a poison that should not be used around consumables like cannabis. Always thoroughly research any chemicals you put in your grow.