Best Anti-fog Treatment for Optics?

[chuckeglenn]

What's everyone using for anti-fog treatment for optics?

 

[gelton]

I used OP drops by McNett this year and it seemed to work really well. McNett makes quality stuff.

Op Drops™ Anti-Fog and Lens Cleaning System – Clear Vision Every Time - McNett Tactical

 

[N2TRKYS]

I haven't tried it yet, but I know several folks that use cat crap.

 

[mtswampfox]

amazon carries the op drops and cat crap

 

[chuckeglenn]

Thanks guys!