Subbed up dude can't help you on the ppm but with auto's if i remember right I'm usually on about 1.5 to 1.75 per ml of base nutes by that age also with rhizontonic you can start off on 2 ml per ltr helps the roots a bit more [emoji106]
Sent from my F8331 using Tapatalk
Thanks man appreciate the advice. Been reading through that 300 and odd thread of yours for the past decade!! [emoji23][emoji1303]
Sent from my iPhone using Tapatalk