This 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. Also includes pH liquid reagent for pH, ALK liquid reagent for total alkalinity, CH2 liquid reagent for calcium hardness, CH1 liquid reagent for calcium hardness, CYA Test Tabs for Cyanuric Acid and 5 ml Color Q 6 Test Tube with MY GARDEN POOL TEST STRIPReplenishment kit for Color-Q Pro 7 test kitMonitors chlorine, pH, alkalinity, and moreIncludes one 30 ml bottle of DPD 1A liquid reagent for free chlorine, DPD 1B liquid reagent for free chlorine and Test StriptsDPD 3 liquid reagent for total chlorine, pH liquid reagent for pHALK liquid reagent for total alkalinity, CH2 liquid reagent for calcium hardnessAlso includes CH1 liquid reagent for calcium hardness, CYA TesTabs for Cyanuric Acid and 5 ml Color 6 Test TubeSet of 100 convenient and efficient test strips