2 in 1 pH and Chlorine OTO Test Kit null Many states require that a

Many states require that a clock be visible from the spa or pool

This is a Taylor Combination Drop Test for Hydrogen Peroxide 5 ppm (Iodometric) and Biguanide Test Kit

Using an all-natural zerolite mineral

This Warning No Lifeguard On Duty Pool Closed Sign measures 18 x 24 inches

StaRite/SwimQuip 355051273

2 in 1 pH and Chlorine OTO Test Kit null Many states require that aThis is a Pentair Rainbow #752 2 in 1 Chlorine Test Kit that tests for pH and Chlorine using a drop test and color comparator. The reagents in this kit are 1 2 ounce. This is a perfect test kit for small residential pools. Kit comes in a compact box with instructions. Testing sanitation levels and pH are the most important tests for pools. The chlorine level should stay between 1. 0 and 3. 0 parts per million (ppm) to maintain a healthy pool. A pool's