These Narrow Range Test Papers offer high sensitivity and sharp color change. Narrow pH unit graduation: 0. Dip the indicator test strip …. 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. Contains 50 tests.
pH Test Strips - How to Test Your Health - Step by Step
Contact Customer Service. Non-bleeding pH color strips. Simply immerse the strip in the test solution until color development is complete. Then compare the developed color to the sequence chart on the package, and read the pH. The range covered by each type of strip is divided into graduations as given below. Each package contains strips in a clear, plastic container with a snug fitting top. Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.
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You can do a simple pH water test without a pH testing kit. A water pH test kit typically contains pH test strips, indicator drops, and a pH test meter. If you do not have a kit, purchase a fresh red cabbage and a bottle of distilled water to make a pH indicator. A water-soluble pigment flavin an anthocyanin in the cabbage gives it the red color.