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Hach Company pH Test Strip, 7.5-14 pH units, 100 tests

Catalog No. 501996620 Shop All Hach Company Products
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Most natural waters range from pH 4 to pH 9, but commonly are above pH 7 because of carbonates and bicarbonates (alkalinity). The pH of water used in industry, boiler feed water, and swimming pools usually is kept within a narrow range.

Catalog No. 50-199-6620 Supplier Hach Company Supplier No. 2751000
May include imposed supplier surcharges.
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Most natural waters range from pH 4 to pH 9, but commonly are above pH 7 because of carbonates and bicarbonates (alkalinity). The pH of water used in industry, boiler feed water, and swimming pools usually is kept within a narrow range.

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