We've been looking at purchasing a HomeSwimmer system to be able to do stationary exercise swimming in our pool. Has anyone had any experience with it? http://www.amazon.com/o/ASIN/B000KD9H5G ... raddons-20
I've been trying to figure out how the bottom piece that goes in the water works, and whether there's any danger it will damage the vinyl liner.
Here's a picture: