Hi Mark, Can you explain the underlined section below for me, does the water flow detection work because of the absence of water & the presence of gas, all off the back of a single sensor or detector? Or are these two different detectors, i.e. one for water flow & one for gas? Safety features include electronic water flow detection (NOT a mechanical flow switch/pressure switch) for gas detection & high

Watermaid is going for comfort.  Our body salt level is about 9000 parts per million.  In fact the first 9 months of our existence we swam around in a 9000 parts per million pool ( moms tummy).  We have some therapy pools (most are medical facilities) that actually run a perfect isotonic solution of 9000 parts per million.  The down side to that is it will taste like  tear.  For