If they are pharm grade amps - I believe Bayer uses Castor oil which is indeed thick. A lot of pharm grade longer esters are harder to push in. Most UG labs use grapeseed or MCT.
If they are pharm grade amps - I believe Bayer uses Castor oil which is indeed thick. A lot of pharm grade longer esters are harder to push in. Most UG labs use grapeseed or MCT.