2 BOTTLE WATER TESTING KIT REFILL (OTO/PHENOL)
DESCRIPTION
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.
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.
