No likes but looking healthy. Keep it up
Hey Ossi welcome to the forum from a fellow aussie. As far as natural PH up and down you can use lemon juice or apple cider vinegar for ph down, only takes drops to liters. And you can use Dolomite lime or bicarb for ph up, i suggest dolomite as it also adds cal/mag.
But be careful with lime it takes time to break down and too much can be caustic on the girlies rhizosphere and root system.
Everything else is looking maad, best of luck and kèep dirty