Vaseline works for me 

Alistair

> On Jun 30, 2017, at 5:35 PM, Poppie Jagersand <poppie.jagersand@YAHOO.CA> wrote:
> 
> I have a 100Ah deep cycle battery that grows heavy corrosion at the terminals every few months, but is otherwise good.
> 
> Anyone have ideas to stop or reduce the corrosion?
> Would putting a bead of silicone or other sealer at the bottom of the battery terminal posts work?
> Thanks,Martin (82 and 85 Westies)