Morning my friend, I'm afraid I don't have access to promix I made a simple mix of-
50% compost similar to your original bag
30% worm poo
20% perlite
And that's served me well so far, what I do is mix all together in pot give a light watering so the soil settles and mix does its thing for a cpl hours in the shade ready for transplant I water when and as needed according 2 weight/dry weight of pots. Might start today or tomorrow with wet/dry watering as just waiting on 1 girl befor I water..
my big girl get 2litres when needed
My smaller OG Kush gets a litre
My soil clone just misting
my 4 DP seedlings 3rd set leaves have only had 2 200ml waterings, 1st watering I added 1.25ml nitrosol per200ml each got 50ml and suffered clawing and slight burn. I left them to get totally dry 3 days total and flushed each with 50ml bubbled water yesterday, just giving mistings plain water now till she's dry again.
Haze2.0 auto is 6 days old, 25cm pot and same soil method as above, but due to not weighing wet weight, I'm just misting for now with plain water and will only start feeding with bubbled water when she's ready, from that point will only feed bubbled water till she says otherwise..
Nutes I'm using is nitrosol, seagro really. I do have bio Bizz but saving that for another grow and Hazey to see if I can maximize growth and harvest as I saw my boets 2 haE autos, quite interesting and unique growth and quirkiness to be honest, he a wire frame lst, I'll put up pics I took yesterday now now..
Something you might want to try but please refer to Emilya ( +reps ) about using a banana sugar fermentation as a source of natural potassium for flowering stages of your girls life cycle, I have a 5lt jug of tap water with bout ten banana skins steeping in the fridge but haven't gotten round to asking Emilya about it/ or has she a thread related info on such. I've got too many sideline projects going like the eggshell calmag from Emilya sitting in a tub of water rinsed and dried just haven't got there yet.....
So I share your trials and tribulations my friend, I hope you get it all dialed in, I'm dealing with a very stocky dwarf ish stretching structure on my OG that's got me flummoxed after I take clones, do I top or let grow and clone, but your space determines your limits so I might flower after I've got 8!clones to continue with. And get some bud sooner than than the clones.... Too many possibilities my friend, I'm fluxaliciously flummoxed while flummoxing myself over what to do....