Each country has evolved standards for pool water quality and preferred methods of treatment. These standards are continually upgraded in the light of new findings & developments. Few countries have releases their guidelines for swimming pool water quality, safety & treatment methodology. There are many countries, following these standards & guideline for swimming pool water quality, safety & treatment methodology.
Guidelines for Safe Recreational Water – Swimming Pool - WHO
Public Swimming Pool & Spa Pool Guidelines - New South Wales Health
APVMA Guide for Demonstrating Efficiency of Spa Sanitizers
Swimming Pool Guidelines – Black Town City – Council
Queensland Health Swimming & Spa Pool Water Quality & Operational Guidelines
German DIN 19643
» Swimming pool pressure sand filter vessel are selected from swimming pool volume, desired turnover time & filtration velocity.
» Turnover* time is the time taken by recirculation pump to turnover the entire pool volume. (Lower turnover time better is the pool
water clarity, quality & disinfection level).
» Filtration velocity decides the filtration degree / filtration efficiency. (Lower filter velocity is better)