Mainstays 3-Way Pool Test Kit with Child Proof Caps featuring a gray base and translucent teal cover with handle, containing two reagent bottles labeled Phenol Red and Orthotolidine OTO, two clear test tubes, and color-coded charts for testing pH, bromine, and chlorine levels in pool or spa water, suitable for outdoor pond and pool water quality maintenance.
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Mainstays 3-Way Pool Test Kit with Child Proof Caps - Count per pack - 1

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