I use tap water (soft water), Canna Vega A/B and related products, with rockwool.
PH is stable around 7.2 - 7.5. I PH down to 5,5 and 6-12 hours later its back up. This is my second rund and had the same problem then.
Could reverse osmosis water help this, or other advices?
Solved
Setup. Other
Feeding. Other