Here's what someone wrote about mixing with painful gear such as T400:
Any comments pro or con about that?
This is not a joke, just regular old wesson oil is all you need. Just add a 1/2 ml or so to every injection. You can heat the oil first to make sure it is sterile and then contain it in an old vial that YOU have used. I have made fina with it before and it came out perfect and never had any sterile problems either. No need to spend the extra money on sterile oil.
Any comments pro or con about that?