With regular solvents and co-solvents at normal % (BA,BB) you can use PVDF filter or Nylon sometimes
but if you brew with EO or GUA (no matter what % on it) you must use PTFE only
If you are safety player just use PTFE membranes only,but it's slower but safer than other membranes
I think it depends on your own personality,and goals.I can do workout both fancy and old school style gym,but being getting older I prefer machines over free weights,but it's just me and my opinion ;)
Sure,but to be honest,you never know 100% what's your api (raw material) really contains...
I mean, even 99% purity raw got 1% impurities...
Ok,of course it's not a perfect world....
50mg methandro and 50mg oxymeth in 1ml...
Weird combination,I can imagine this only as a "preworkout booster" but,I wouldn't use it.
try to dissolve the raws in 10% gua,and set it overnight,if next day is still stable add 2% BA and oil of your choice...
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