Ever post something so vague that even your own mom scrolls past it? I did that for months, just tossing up "misc household items" like that tells anyone anything. Adding the words "barely used" or "still works great" to the title honestly doubled my replies overnight.

Wow, so you spent two decades doing extra work for nothing?

Been there, done that, and got the T-shirt that says "Human Balloon" on it. My first winter dive in the Sound, I shot up like a cork because my exhaust valve had basically turned into a popsicle. Now I hit it with a little silicone spray before every cold water dive, and I also make a point to breathe out through my nose a bit more to keep the inside of the valve from getting frosty. Some guys I know just swap out to a plain old mechanical valve for winter and call it good. Mine froze up exactly like yours, and I never even felt it happen until I was fighting to stay off the surface. A squirt bottle in your pocket is cheap insurance, trust me.