HydroTools 8442 Solution #2 pH Test Kit Refill 1 oz.

HydroTools 8442 Solution #2 pH Test Kit Refill 1oz Swimline HydroTools 1 ounce refill solution #2 for HydroTools water quality test kits. Features The #2 solution is Phenol Red, a pH test solution One (1) ounce bottle Genuine Swimline HydroTools product Swimline HydroTools Item #8442 Color and number coded for easy refill ordering Replacement #2 solution for Hydrotools Test Kit Model 8440