Color-Q Pro 7 test reagent refill kit * Includes one 30 ml bottle of DPD 1A liquid reagent for free chlorine, DPD 1B liquid reagent for free chlorine * DPD 3 liquid reagent for total chlorine, pH liquid reagent for pH * ALK liquid reagent for total alkalinity, CH2 liquid reagent for calcium hardness * Also includes CH1 liquid reagent for calcium hardness, CYA TesTabs for Cyanuric Acid and 5 ml Color 6 Test Tube