Compare Quick view PENTAIR WATER POOL AND SPA INC PENTAIR | RAINBOW TEST KIT 4 IN 1 | #78HR | CHLORINE, PH, ALKALINTY, ACID DEMAND | R151186 MSRP: Was: Now: $36.96 PENTAIR | RAINBOW TEST KIT 4 IN 1 | #78HR | CHLORINE, PH, ALKALINTY, ACID DEMAND | R151186
