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Description
50Pcs 3 in 1 Swimming Pool Aquarium PH Test Strip Paper for Hardness, Chlorine, Bromine
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Suitable for water testing in swimming pools or spa pools
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Can test chlorine, PH, hardness in water
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PH range: 6.8~8.4. Chlorine range: 0~10. Hardness range: 0-240
Specification:
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Material: paper