Water softeners with good ratings are the GE 30,400 grain; WaterBoss 220 grain; Aquasana 1,000,000 Gallon Rhino; EvoClear salt-free water softener; and Morton 45,000 grain water softener. Other highly rated water softeners also include the Fleck 5600SXT 48,000 grain; Kenmore high-efficiency; and Watts RV PRO-1000.
The Aquasana 1,000,000 Gallon Rhino is a saltless water softener that features a mechanical prefilter and two chemical filters. Its main system does not require electrical connections or wastewater drain. Fleck SXT water softener uses an ion exchange method to remove calcium and magnesium ions. The system features the SXT digital controller, poly glass tank and safety float. With the digital control valve, users can also control the water regeneration process.