Look at build a soil. Com and their LOS forums. Some of the best minds when it comes to rols.
Personally even espoma, Dr Earth's soil mixed at big box stores works on the cheap. Lazy way would be to just to amend with down to earth biolive between runs and/or top dress if fading.
Personally even espoma, Dr Earth's soil mixed at big box stores works on the cheap. Lazy way would be to just to amend with down to earth biolive between runs and/or top dress if fading.