PH & Chlorine Test Kit Refill
$3.49
This chlorine test kit refill for standard testing includes 1 bottle of OTO (Yellow) solution for chlorine tests, and 1 bottle of Phenol (Red) solution for pH tests.
$3.49
This chlorine test kit refill for standard testing includes 1 bottle of OTO (Yellow) solution for chlorine tests, and 1 bottle of Phenol (Red) solution for pH tests.