In the last twenty years, a brand new kind of pool has attained popularity. These consist of a small vessel (commonly about two.five × 5 m) during which the swimmer swims in position, either against the thrust of an artificially generated water present or from the pull of restraining equipment. https://pool.net/stahlwandbecken-5-25-x-3-20-x-1-50-m-komplettset.html