my friend just got test in a type of drink bottle.
What does he need to do before injecting it?
Another friend has pinned it by just filtering it and all seems fine and is working quite well however this other guy wants to be more in the safe side.... Any advice? What should be done now?
What does he need to do before injecting it?
Another friend has pinned it by just filtering it and all seems fine and is working quite well however this other guy wants to be more in the safe side.... Any advice? What should be done now?

