WATER QUALITY CONTROL TEST: CHLORINE,BROMINE, PH, TOTAL ALKALINITY, TOAL HARDNESS ... NO3 POOL & SPA Test kit1) 2-way test kit: a) A test kit for chlorine / pH levels in pool water2) ... 5-way test kit: a) Test for chlorine, pH, total alkalinity, acid ... demand and alkalinity demand3) 7-way test kit: a) Test for chlorine,bromine pH, total alkalinity, acid ...