The July '06 issue of Scuba Diving warns that spit might or might not work, depending on what you just ate, or the composition of your spit in general. Plus, there is bacteria in your spit that commercial defogs don't have.
I picked up a bottle of Vel Rosa, a fabric softner, in Cozumel. This stuff works really well.
I picked up a bottle of Vel Rosa, a fabric softner, in Cozumel. This stuff works really well.