Valterra Blue Devil OTO Solution Water Test | 1/2 oz | B7021

The Valterra OTO Solution Water Test is a 1/2-ounce reagent refill designed to measure chlorine levels in swimming pools and spas. This solution is intended for use with Blue Devil Test Kits, providing accurate assessments of your pool's chlorine concentration to ensure safe and clean water.Regular monitoring of chlorine levels helps maintain proper sanitation and prevents issues such as algae growth and bacteria proliferation. To use, simply add the OTO solution to your water sample as directed by your test kit's instructions, and compare the resulting color to the provided chart to determine chlorine levels. Highlights Accurate chlorine measurement – Designed for use with Blue Devil Test Kits to ensure precise water testing. Easy-to-use reagent – Simply add to your water sample and compare the color to the test chart. Maintains pool and spa safety – Helps monitor chlorine levels to prevent bacteria and algae growth. Convenient refill size – Comes in a ½-ounce bottle for easy sto