Quote Originally Posted by SteveUK View Post
I don't know the answer to that, neither would I recommend leaving gear out exposed to the air. A more simple approach would be to add sterile oil guaranteeing that you reduce the concentration of BA in the total volume. Or as suggested above cut with B12.
if you add oil you're lowering the mg of gear per mL. and considering 2%BA is okay and say 3% is noticably different as far as PIP then thats a lot of oil to lower the BA by 1%

and as far as it being exposed to air thats why you would refilter it