Refill Test Strips

Tests for: Free Chlorine, pH, Total Alkalinity

Refill test strips for use with the blue AquaChek TruTest Digital Reader.

• Free Chlorine: 0-10 ppm
• pH: 6.2-8.4
• Total Alkalinity: 0-240 ppm

Blister card. Free Chlorine, pH and Total Alkalinity.