Test Strips - 4-Way Use strips for both pools and spas to test pH, Total Alkalinity and Free Chlorine or Total Bromine.

Features:

Easy to use Immediate results For both pools and spas

Applications: Normal: 1. Dip test strip in water and swirl. 2. Remove strip and compare to chart on back of bottle.

Advantage: Test water in seconds.

Sizes: 50 strips per bottle

Compatible With: Chlorine and Bromine sanitizers.