"The Solution X-2" MD# 22152-02 US Patented Chemical Feed System, Designed for use with Sodium Hypochlorite (Bleach) for disinfection of pools up to 50,000 gallons or Acid (Muriatic and Sulfuric) for PH and Alkalinity control. Feed Rate .2 gph(Min Output 4.8 gpd) to 8.2 gph (Max Output 197 gpd). Schematic Drawing Detail Drawing NO MORE METERING PUMPS NO MORE PROBLEMS !!!