Seeing the hospital using a wrong ratio to dilute sodium hypochlorite for doing an ineffective disinfection job every day, Angelo Wan and his team solve this problem by creating a digital meter, MIZU Bleach Meter, for measuring the concentration of diluted bleach. To assure the final concentration shall be expected value for effective disinfection of cleaning, and not only rely on the mixing ratio of water. Angelo said if you are not sure the original bleach concentration, ho

香港用1:99比例，台灣用1:100例，其差異不大，然而，市面購得到的漂白水濃度是否在5.25%以上才是重點。請免費下載香港選網上擇月刊_過往期刊2003年319期，和2009年393期，因為原液濃度不足，無法保證依比例泡製可以得到500ppm。 https://echoice.consumer.org.hk/issue/all