D-3 O-ring Lub

[freedivechicago]

What's the best lub to use on the o-ring on the D-3/Mosquito battery cover?

Also, if you've bought a kit containing a new cover, battery & o-ring, who's your source? Anyone cheaper than Suunto?

 

[watts]

Silicon lube works fine. Just a bit.

 

[azapa]

they sell small tubes of silicone grease in Radio Shack