Features:
Three in one test strip
Detectable PH range: 6.8 ~ 8.4. Residual chlorine range: 0 ~ 10. Total hardness range: 0-240.
Suitable for water test of swimming pool or hot spring pool
Can test effective chlorine, pH, total hardness.
Quantity: 50 pieces / bottle
Weight: about 33g
Packing list
1bottle x Test Strips(50pcs/bottle)