rso purge

  1. C

    4 pounds of RSO that needs a bit more of its ISO removed - Help!

    I just had my RSO tested at SC labs and I have way too high of PPM solvents (ISO) detected - 3159.1. I have several years worth of batches that were of various trial and error attempts that i combined into a single amount in order to blend to a consistent TCH percent as well as repurge the ISO...