All-In-One 4-Way Test Kit 78HR OTO (High-Range) sign-type_Plastic The Spa Vac is so

The Spa Vac is so simple to use

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All-In-One 4-Way Test Kit 78HR OTO (High-Range) sign-type_Plastic The Spa Vac is soThis is a Pentair Rainbow #78HR All in One 4 Way Test Kit that tests for Chlorine, pH, Acid Demand, and Total Alkalinity using drop test and color comparator method. It includes a water test booklet, instructions and is housed in a blue display box. It includes a lucite test cell with wide standards. This All in One is a good kit residential pools. Testing sanitation levels and pH are the most important tests for pools. The chlorine level should stay