The general mesc content for "active" cacti is 1-2%, though most san pedro found in the U.S. is the nearly inactive PC type. If you have some good stuff 40g powder would be enough for a great experience. Dont be afraid to dose high, mescaline is very friendly.
I would recommend extracting it becuase the tea tastes pretty horrible and also you know how much mesc you are actually taking, but if you dont really care about that then just make a tea.
Also, naptha supposedly doesnt work in extracting mesc.
For salting, vinegar works, fumaric acid, sulphuric acid.. lemon would give a sticky product wouldnt recommend.
--------------------------------------------------*Kash's LSA Extraction* * Kash's Mescaline Extraction*------------------------------------------------------ All things I say are complete and utter ramblings of nonsense. Do not consider taking anything iterated from the depths of my subconsciousness rationally and/or seriously.