yesYes you can i.
I have a video here https://www.youtube.com/watch?v=ayd9AKN8-R0
k metaK-meta, iei.e. potassium metabisulfate, is fine not to rinse after using, however iI personally would still rinse most equipment but not bother with bottles or fermentersfermentors (how ever iI would rinse something iI was going to drink within 24 hours).