Description
Case of 24:
FreshWater MPS test strips test for Monopersulfate (MPS), alkalinity, and pH. Recommended by Watkins Manufacturing for use with their Freshwater Chemical line.
Contains 50 strips
The videos were great at guiding me to the problem with my hot tub. A few entries as to the make and model of my hot tub, and there was the part I needed. A few more entries and my replacement part was on its way. They even had a video with a helpful trick to purge the air from the system once installation and filling was complete. I'll keep this website in my favorites but hope I won't need to use it soon. Perfect for the do-it-yourself fat old bald guy! On 04/16/2026 by M. A. (verified customer)
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