Industrial Water Softener Sizing Calculators & Guides Use the industrial water softener sizing calculators below for a variety of applications to calculate the correct water softener sizing for commercial (FRP), food & beverage, hotel, hospital, pharmaceutical, dairy, plus a variety of Legionella sensitive water softener applications. General Industrial Steel Water Softener Sizing Calculator & Guide Build Hotel Steel Water Softener Sizing Calculator & Guide Build Hospital Steel Water Softener Sizing Calculator & Guide Build FRP Commercial Water Softener Sizing Calculator & Guide Build FRP Ultrapure Water Softener Sizing Guide & Guide Build Legionella Control Industrial Water Softener Calculator Build Pharmaceutical Water For Injection (WFI) stainless steel water softener sizing calculator & guide Build Food and beverage hot water sanitizable SS water softener calculator & guide Build Dairy hot water sanitizable SS water softener calculator and guide Build Healthcare and Surgery Legionella Control Water Softener Sizing Calculator & Guide Build Hospital Legionella Control Water Softener Sizing Calculator & Guide Build Hotel Legionella Control Water Softener Sizing Calculator & Guide Build Legionella Demand Calculator & Guide Build