Converted from the Stenner program I was employing on the hot tub, and I could not be happier . Nothing against the Stenner , if was rock sound , I just grew Fed up with the liquid chlorine. I changed the pool more than into a Circupool RJ60 (also managing https://pool.net/achtformbecken-8-55-x-5-00-x-1-50-m.html