hrough its 5-Way Pool Check, Industrial Test Systems Inc., of Rock Hill, S.C., has made swimming pool testing even more comprehensive. The product reports results for free chlorine, total chlorine, pH, total alkalinity and total hardness all on one strip. Using a single dip-and-read method, 5-Way Pool Check provides reliable readings in less than 30 seconds. Individually wrapped in foil packets with a large, easy-to-read color chart card.
Industrial Test Systems, Inc.