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BioGuard 5-Way Water test strips
- Test for free chlorine, total bromine, pH, Total Alkalinity, and Total Hardness.
- BioGuard 5-Way test strips contain 50 test strips.
- popular testing method for backyard pools and spas
- Recommended to test 4-5x a week
- Decrease test to 2x a week once water is stable
$19.99