Bestway Swim Doctor Pool and Spa Test Strips, 58142
Rated 4.3 / 57,655 ratings on Amazon →
Pros
- Tests free chlorine, total alkalinity and pH in one easy strip
- Instant colour-match results take the guesswork out of dosing
- Pack of 50 strips covers a full season of regular testing
Cons
- Colour chart can be tricky to read in bright direct sunlight
Related attributes
Colour
Length
Warranty
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