Litmus papers are used to determine the pH level of a liquid and determine if a solution is acidic. Widely used for industrial chemical testing, science education, laboratory use, drinking water, aquariums, and classroom analytical chemistry.SpecificationTesting Paper Size: 54mmx9mm (L*W)Overall Size: 70mmx45mmx5mm (L*W*H)Packing List: 4 x Litmus Test Kit (80/Pac,320pcs)AdvantageCan be used to determine the strength of acid and base conveniently. Sensitive to the environment and temperature changes.InstructionDipping the test paper into a solution and observing the change in color of the paper. After one second read the pH value. If the test paper turns red, the solution is acidic.NOTENot applicable for oil and acid-base solutions with a concentration of less than 0.01%. Should be stored in a dry place protected from light.
eBay
16-In-1 Drinking Water Test Kit Strip Home Water Quality Test Swimming Pool Spa Water Test Strip Nitrate Nitrite PH Hardness
Aliexpress UK
NEW Garden Stainless Steel Gazing Balls Ball Globes Floating Pond (Set of 6 PCS). Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Test range for total alkalinity: 0 ~ 240 ppm. Total chlorine test range: 0 ~ 10 ppm.
eBay
80-400pcs PH Test Strips For Water PH Litmus Paper 1-14 Cosmetics Soil Acidity Test Strips For Aquarium Measuring Instruments
Aliexpress UK
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. Effective chlorine, pH, and total hardness can be tested.
eBay
pH Test Strips 1600 Strips Full Range 1-14 Universal Test Paper Litmus pH Soap Making Testing for Water Wine Saliva Urine Soil
Aliexpress UK
50pcs 3-in-1 Water Tester PaperResidual Chlorine PH Value Alkalinity Test Strip High Precision Easy Detection Pool Accessories. Residual chlorine: 0-10/22ppm. PH: 6.8~8.4ph. Due to different batches, there may be slight differences in the appearance of the test paper/box, which does not affect its use.
eBay
8-in-1 Multifunction Water Quality Meter Digital WiFi PH EC TDS SALT SG.Temp ORP CF Tester Smart Monitor Tuya APP Control
Aliexpress UK
8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. 1 - 3 indicates a very acidic substance. 4 - 6 indicates an acidic substance. press the testing strip to the object or liquid you are testing.
eBay
Yieryi WiFi Tuya Smart PH ORP TDS EC SALT S.G TEMP CF Monitor Meter Aquarium Water Quality Data Logger Detector Pool Spa Tester
Aliexpress UK
Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Total alkalinity test range: 0~240 ppm. Total chlorine test range: 0～10 ppm. Residual chlorine test range: 0～10ppm. Test at both ends of pool twice a week for best results.
eBay
200Pcs Perfume Tester Strips Disposable Fragrance Test Strips Fragrance Blotter Strips Scent Strips for Fragrances Essential Oil
Aliexpress UK
Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Test range for total alkalinity: 0 ~ 240 ppm. This pool ph test kit has anti-VC interference ability，The accuracy is 96%. 7 in 1 swimming pool test paper：.
eBay
500Pcs White Outfit Scented Sticks Perfume Tester Paper Strips Kit Tape Fragrance Perfume Essential Oils Test Tester Paper Strip
Aliexpress UK
Total alkalinity test range: 0~240ppm. Total alkalinity: 0-40-80-120-180-240. Total bromine: 0 0.5/1 1/2.0 3/6.6 5/11 10/22. 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
Hemoglobin Analysis Tester Household Hemoglobin Analyzer Anemia Tester 25/75 Pieces Of Hemoglobin Test Strips Hemoglobin Tester
Aliexpress UK