Freshwater™ MPS Test Strips *measures oxidizer levelsWatkins Wellness
The Freshwater™ MPS Test Strips monitor the level of oxidizer (MPS) in your spa.
Contains 50 test strips
Oxidizer - MPS (monopersulfate)
MPS test strips can be used in the following water systems:
Freshwater & Ace Cell Saltwater Systems
Silver Ion & Granulated Chlorine
Bromine Floater / Tabs
Did You Know? Non-chlorine shock, oxidizer and MPS are all names that refer to the same product...spa oxidizer.