Depends where you stay america like others say and like that one guy said bio bizz if your in Europe etc pretty much the go to organic brand for us hereI personally grow in coco but FFOF would be my indoor soil go to
I add quite a bit of perillite to my promix hp so i get to water more for my indoor. Always scared of root rotPro Mix or Sunshine.
I guess you can add too much perlite but I’ve never been able to. All we get here is the BX for some reason. I add a lot more perlite to it. Peat really compacts well and the more waterings the more compaction. I find cultivating a lot easier with way more perlite in it.I add quite a bit of perillite to my promix hp so i get to water more for my indoor. Always scared of root rot
You can grow in 100% perlite, you just have to water a few times a day.I guess you can add too much perlite