Grow Mediums 1st grow in DWC - Dutch Passion Think Different & Automazar -Need help for my DWC

[borax]

Hi AFN May be a Moderator move this thread elsewhere but I need help.I have a problem with fixing pH value.Can someone help me?Thi is the link of my grow journal(a few posts) please take a look.
https://www.autoflower.org/f44/1st-grow-dwc-dutch-passion-think-different-automazar-13680.html