Deluxe Swimming Pool and Spa Chlorine Test Strips - Just dip a test strip into the water and remove immediately. You get accurate water test results for Free Chlorine level, Total Chlorine level, pH level, Alkalinity level, and Hardness level in seconds.

Includes 50 testing strips, reusable color comparison chart, and a 24 page Pool & Spa Care Treatment Guide with test log. Recommended for use with any Above Ground Pool, Inground Pool or Spa.