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[APD] Re: Aquatic-Plants Digest, Vol 18, Issue 17

I second that! In the chemistry laboratory, we used silicone grease on 0-rings, never petroleum jelly. Depending on the type of rubber used for the o-ring, degradation can be might quick.


On Feb 9, 2005, at 12:41 PM, aquatic-plants-request at actwin_com wrote:

I have to totally disagree on the use of Vasaline or any other petroleum jelly product on a filter's O-ring.

Petroleum jelly (Vaseline) will actually degrade the rubber, causing it to break down and get "gooey" for the lack of a better term. That O- ring will eventually fail and the canister filter will surely leak.

Any non-petroleum based lubricant (K-Y Jelly fdor instance) would be a much better choice.

Mike Firrincili

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