Hey VG - you seem to be triggering lots of my past journeys of discovery! So I keep having relevant things to share
I had to make my own base for the DBHBB kit because ProMix isn’t available here. So I got straight SPM and mixed it w ag line and perlite.
Farside has done so too and has thread dedicated to it.
In his recipe, he uses easily double the amount of lime I ended up with. I think both work fine. I’d even say less is maybe more. I made 42 gallons of soil and probably only used 2-3 cups of ag lime.
Making my own soil-less mix (aka Faux-Mix) Not everyone has access to Pro-Mix, but most towns have a Home Depot nearby. Here's my attempt at making a Pro-Mix HP copy. First lets start with the ingredients: 1 - 3 cubic foot bale of Peat Moss 1 - 2 cubic foot bag of Perlite 1 - 6.75 pound bag...
www.420magazine.com
Also ... got something special for you on terps seeing as yer having a happy nerdy about them
Three awesome people talking about terpenes. Im a big fan Both Kevin Jodrey and Samantha Miller.