The waterproof ColorQ 2x Home Pool 7 Kit directly measures seven pool & spa tests which includes Free Chlorine, Total Chlorine, Bromine, pH, Acidity, Calcium Hardness and Cyanuric Acid. The photometer is easy to use and comes with 20 TesTabs tablet reagents per test factor packaged in blister-style foil. The user dispenses each tablet into a ColorQ 2x test tube by pressing the tablet through the foil. This eliminates the need to manually tear open a foil packet and carefully dispense the tablet. The user-friendly photometer, testing reagents, test tubes, and diagrammed multilingual instructions (English, Spanish, French) are conveniently packaged.