Graham 2.2 damping fluid amount?

What type of fluid do you use on your Grahm arm or is there another aftermaket fluid that works well. I remember Brooks Berdan telling me several years ago he does not use the Grahm stock fluid but a similar sub that works better.

Wow! I'm glad I asked. Thank you SirSpeedy and 4yanx for your expertise. Your statements make very good sense but little is said about damping and its adjustment in the Graham manual.
42659 - if you find out what that other fluid is that is purported to work better, please let us know. Thanks.

SirSpeedy - another thought.
Once you got your arm dialed in for a particular cartridge, did you have to change the amount of damping fluid if you changed to another arm with a different cartridge attached?

Sorry to go off-topic on you. But my SME IV.Vi manual states that I should change the damping fluid yearly.

Why?
Does Graham say that as well?
Does it evaporate?
Get dirty?
Loose it's magic?

I've had my arm for 2-3 years and never tried this. Thanks for amy comments.

David,
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Did you start with 1/3 of the damping trough full as sir speedy did ?
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What volume of fluid (how full) did you end up at for the ideal sound in your system ?
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What cartridge are you running now with your 2.2 ?
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Are you using the fluid that came along with the Graham 2.2 ?
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Best Regards, Larry
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