[houtan]

Originally Posted by fe1rx

I didn't replace the O-rings. I lubricated them with Dow Corning DC4 Dielectric Grease. Petroleum based lubricants are a no-no, although counter to this rule I have used vaseline in the past. DC4 is a silicone-based grease and so seems like a better choice, and I had it on hand. Any silicone grease would probably work just as well. This question does seem to produce a very wide range of opinions on the internet ...

Thanks.