Evolution 3 Way Chlorine Test Strips:
Easy-to-use single test strips for testing Chlorine, pH and Total Alkalinity in your pool or spa.

Purpose of 3 Way Test Strips:
These strips can be dipped straight into the pool or spa water and will give an immediete reading of the water's Chlorine, pH and Total Alkalinity levels. 

Application instructions:
1. Dip entire strip into water, swirl the test strip three times and remove immediately.

2. Hold the test strip level (do not shake off excess water).

3. Starting from the thumb compare strip colours with colour chart on label, beginning with Total Alkalinity, then Free Chlorine and finally pH. Keep in this order to aid colour reactivity time.