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BioGuard 5 Way Test Strips show total bromine, free chlorine, pH, and total alkalinity and total hardness levels in pools and spas. These test strips work quickly and easily with just a single dip test. The results shown will be quick and accurate. Experts recommend testing pool water weekly for optimum sanitizer, pH, and total alkalinity levels.
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🇺🇸 Ship from USA · On Agora since 2026
$15.99