561625A Test Strips AquaChek Blue 3-in-1 Biguanide 25 ct

Biguanide is a chlorine-free sanitizer used in mineral purification systems. Compatible with a range of Baquacil products.

Tests for:

• Biguanide: 0-50 ppm
• Total Alkalinity: 0-240 ppm
• pH: 6.2-8.4