Pool Check 4 in 1 (50 tests)

Pool Check 4 in 1 (50 tests)

This 4-in-One pool & spa check is a complete test kit, which tests for 4 key parameters: free chlorine, total chlorine, pH, and total alkalinity

More colour blocks result in better accuracy and precision The pH indicator (BTB) provides easy colour matching for improved accuracy The TMB indicator for Free Chlorine is accurate

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