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and total alkalinity (TA)
Output Port: USB-C
Purezone® P3 Cassettes Download User GuideThese smart cassettes are essential for automating and providing expert analysis of your spa's water, giving you the information you need to maintain safe and clean water to soak and swim in. Each P3 cassette contains 48 tests, and lasts up to 60 days in water. Each test measures pH, free chlorine (FC) or total bromine (TB), and total alkalinity (TA). 3 cassettes per order.
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