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#1757173 - 01/26/10 10:08 PM pro and con with bulb grease
mrkdk Offline


Registered: 01/23/10
Posts: 29
Loc: sc
Can any body tell me a good reason to use bulb grease or good reason not use it.

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#1757184 - 01/26/10 10:16 PM Re: pro and con with bulb grease [Re: mrkdk]
Billbert Offline


Registered: 10/09/09
Posts: 292
Loc: California
If you are talking about dielectric grease, helps stop corrosion, reduces arcing,and great to use on household bulbs, no more potatoes to get out the stuck bases
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#1757186 - 01/26/10 10:16 PM Re: pro and con with bulb grease [Re: Billbert]
beast3300 Online   sleepy


Registered: 12/24/09
Posts: 3142
Loc: Ohio
For: Seal moisture out, maybe aid in future removal.

Against: There may be some in there from the factory so addition isn't required.


Edited by beast3300 (01/26/10 10:17 PM)
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#1757189 - 01/26/10 10:19 PM Re: pro and con with bulb grease [Re: beast3300]
Johnny Offline


Registered: 05/27/02
Posts: 14013
Loc: Retired | Wausau, WI
Like anything else, to much is a bad thing. Very light coating is a good thing for the above reasons.

Never thought about using it in a household light bulb. I will have to give that a try.

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#1757207 - 01/26/10 10:49 PM Re: pro and con with bulb grease [Re: Johnny]
XS650 Offline


Registered: 12/21/03
Posts: 12385
Loc: Northern CA
Originally Posted By: Johnny
Like anything else, to much is a bad thing. Very light coating is a good thing for the above reasons.

Never thought about using it in a household light bulb. I will have to give that a try.


I've used plain old silicone spray on 110V bulb bases. Keeps them from sticking in rasty old outdoor sockets.
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#1757242 - 01/26/10 11:38 PM Re: pro and con with bulb grease [Re: XS650]
mrsilv04 Offline


Registered: 12/08/06
Posts: 7853
Loc: Illinois
There's a simple solution that doesn't require grease in most cases....

Don't tighten light bulbs so tightly! They aren't going anywhere.
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#1757253 - 01/26/10 11:57 PM Re: pro and con with bulb grease [Re: mrsilv04]
oilboy123 Offline


Registered: 12/05/03
Posts: 6936
Loc: Everett, Washington
I notice the fluorescent bulbs use stainless on the bases which keeps things working as opposed to aluminum bases. I have used dielectric grease on the old style auto bulbs. I guess I should probably use it on any style.
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#1757524 - 01/27/10 09:11 AM Re: pro and con with bulb grease [Re: oilboy123]
cchase Offline


Registered: 11/03/09
Posts: 4021
Loc: New England
I use dielectric grease on every single electrical connection on my cars... once you have a 17 year old vehicle and you need to disconnect something that hasn't been disconnected in that long you'll put it on everything so it doesn't happen again.

I also have aquarium lights (CF) that have a pin base that love to corrode together, the grease makes them easy to pop on and off.

Cons... it's grease, attracts dirt. Don't use so much and it's not a problem.

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#1757564 - 01/27/10 09:40 AM Re: pro and con with bulb grease [Re: cchase]
eljefino Online   content


Registered: 06/15/03
Posts: 30394
Loc: ME
The yellow earwax snot in GM cars works quite well against corrosion, but the bayonet bulbs (twist & turn) still seem to have their base contacts lose springiness and cause issues. I never have to add more grease, they seem to put in 10x as much as was needed.

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#1757574 - 01/27/10 09:49 AM Re: pro and con with bulb grease [Re: eljefino]
mechtech2 Offline


Registered: 09/05/06
Posts: 19479
Loc: Chicago Area
On cars? For bulbs and connections this is a great thing.
It keeps water/humidity out This is it's primary benefit. Also, there is some direct corossion protection.

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