National Swimming Pool Foundation (NSPF®)  http://www.nspf.org

Spanish pool textbook

Spanish pool testbook

Published by the National Swimming Pool Foundation® (NSPF®), the Pool Math(TM) Workbook is now available in Spanish. The textbook for English and native Spanish-speakers focuses solely on making swimming pool and spa calculations easier. Cuaderno de Trabajo de Matematicas de Piscinas helps readers calculate pool surface area, water volume, chemical dosage amounts, saturation index, filter surface area, flow rate, filter flow rate capacity, turnover rate, heater sizing, spa water draining frequency, make-up water amount, maximum user load and total dynamic head. www.nspf.org

 
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