HRM - Polar FT4 Issues
Hello, I purchased a Polar FT4 about a month ago. After each workout, I rinse the strap off. I wash it after every 4th or 5th use. The way I wash it is putting it in a jar with a little dish soap and shaking it, emptying it, and repeating about 3 times. Then I fill the jar with water and keep shaking until the water runs…