Simply press the testing strip to the object or liquid you are testing. Half second later, take out the paper and using the color chart included, compare the color change of the paper to find out the acidity level of your testing subject.
eBay
Total Alkalinity. Suitable for pool, spa, hot tub, and aquarium water. Free Chlorine. Dip the test strip into water for about 2 seconds. Compare the strip colors with the chart provided. Material: Test paper.
eBay
Litmus papers are used to determine the pH level of a liquid and determine if a solution is acidic, basic, or neutral. Widely used for industrial chemical testing, science education, laboratory use, drinking water, swimming pool, spas, aquariums, and classroom analytical chemistry.SpecificationAccuracy: 0.5 pHTesting Range: 5.5-9.0Testing Paper Size: 54mmx9mm (L*W)Overall Size: 70mmx45mmx5mm (L*W*H)Packing List: 2 x Litmus Test Kit (80/Pack,160pcs)AdvantageThere are 8 color-coded scales that go from 5.5 to 9. Also can be used to determine the strength of acid and base, as we go from 9 to 5 the acidity of the solution increases.InstructionDipping the pH paper into a solution and observing the change in color of the paper. After one second, compare it with the standard color cards and read the pH value.
eBay
Total alkalinity test range: 0~240ppm. Total alkalinity: 0-40-80-120-180-240. Simply press the testing strip to the object or liquid you are testing. Half second later, take out the paper and using the color chart included, compare the color change of the paper to find out the acidity level of your testing subject.
eBay
The pH scale ranges from 1 to 14, with 7 being "neutral" (the point at which water is neither acidic nor alkaline). Ideal for testing the PH levels of fluids and solids. Black Spring Loaded Plastic Bean Twin Strap Hoop Toggle Stopper Cord Locks UK.
eBay
8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. 1 x 80pcs pH test paper. Simply press the testing strip to the object or liquid you are testing. Half second later, take out the paper and using the color chart included, compare the color change of the paper to find out the acidity level of your testing subject.
eBay
Truck diadance: Urine is applied to the color block, then the color card, find the closest color, to derive an alkalinity. Test amniotic fluid, principle (the average person's vaginal secretion is acidic, and amniotic fluid is alkaline, acid alkalinity 7 or more) use sterilized cotton to pick vaginal secretions, apply it to the color block, then the color card, find the closest color, Draw a sour alkalin, if the color of no color or 6 or less is not amniotic fluid, 7 or more colors are amniotic fluid.
eBay
Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Test range for total alkalinity: 0 ~ 240 ppm. Total chlorine test range: 0 ~ 10 ppm. Free chlorine test range: 0 ~ 10ppm. Test at both ends of pool twice a week for best results.
eBay