2 in 1 pH and Chlorine OTO Test Kit null The chlorine level should stay

The chlorine level should stay between 1

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

This is a Taylor Alkalinity Standard 100 parts per million (ppm) replacement reagent for various Taylor pool water testing kits

This Danger Pool Closed Strong Chemicals In Use Sign measures 12 x 18 inches

StaRite/SwimQuip 355051273

2 in 1 pH and Chlorine OTO Test Kit null The chlorine level should stayThis 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