Frog @Ease Test Strips

The @ease™ products with SmartChlor™ Technology do not test the same way as di-chlor, it is recommended using only @ease™ Test Strips that are user tested for clarity and ease. (30 strips per bottle) With @ease™ Test Strips... One color match designates an OUT indicator. When lighter than this color, replace the SmartChlor™ Cartridge. Since the free chlorine remains consistently at 0.5 - 1.0 ppm there is no need to test for it. @ease™ Test Strips also test for pH, Total Alkalinity and Calcium Hardness If using any other test strip, keep in mind the following:  1) LIKE ALL OTHER HOT TUBS, WATER SHOULD BE BALANCED PROPERLY. pH should be 7.2 to 7.8 Total Alkalinity should be 80 to 120 Calcium Hardness should be 150 to 250 2) TOTAL CHLORINE WILL ALWAYS BE HIGHER THAN FREE CHLORINE UNTIL THE CARTRIDGE IS EMPTY. SmartChlor™ Technology has a chlorine reserve that reads as total chlorine This reserve starts out higher than normal hot tub chlorine levels and slowly depletes