Originally Posted by rickseeman
Basically speaking you never do vibratory finishing dry. (An exception is using cob or walnut shells to polish.) The water and vibratory compound is what keeps the parts and media clean.

I use this for black oxide. And they have a great YouTube video.

https://www.brownells.com/gunsmith-...uing-chemicals/oxpho-blue--prod1072.aspx


I agree, great product