If I had Prime (that's getting to be an old joke) I'd snap this up right now.
As an audio guy I can't tell you how much it makes a difference when every non-soldered connection is treated to remove oxidation. This stuff is the fader treatment you'd use on most any potentiometer, rheostat & slider.
https://www.amazon.com/Hosa-F5S-H6-DeoxIT-FaderLube-Spray/dp/B00006LVF1?
The other stuff this company makes (ProGold), I've been using for almost 30 years and it's a miracle in a can.
Bonus: check the company's endorsements, it's the whole military industrial complex (now they're cool! :-)
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-= Cloud 9 =-