I've had my SP for 4 years, and swim all summer with it. I use Tagaderm and sandwich them on either side of the stoma sight and to the skin. When I swim in the ocean, I do the same, but place more tagaderms to the top and bottom on the skin for added protection. I just wont go in a lake, I feel too nervous about doing that. The tagaderm patches are a bit tricky to remove though, it takes some patience.