Connex Asia Ltd. Good Reasons to Change: Is your pool water 100% Salt Free? Is your pool water 100% Chlorine Free? Is your pool water Chemically ... Toxic Free? Is your pool water 100% Free of All Algae and Bacteria? Can you swim in your pool water for hours without red eyes - dry hair - and irritating skin reactions? If you answer the questions with “Noâ€, please contact us. Call WPS group 038-422986 or 081-8021467 wpsvo@chonburi.ksc.co.th