Scope of application: Swimming pool water, hot spring water. Compare the color of the test strip under good light to obtain a reading. Do not put wet fingers into the bottle. Do not touch or contaminate the detection block on the test strip with your hands.
eBay
2 in 1 PH Chlorine Meter Tester PC-101 PH Tester Chlorine Water Quality Testing Device CL2 Measuring For Pool Aquarium
Aliexpress UK
Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Test range for total alkalinity: 0 ~ 240 ppm. Water test in swimming pool or spa pool. Total chlorine test range: 0 ~ 10 ppm. Free chlorine test range: 0 ~ 10ppm.
eBay
P401 Soil Tester PH Moisture Meter Soil Water Acidity Humidity Light PH Test Garden Plants Flowers Moist Tester Testing Instrume
Aliexpress UK
Scope of application: Swimming pool water, hot spring water. Compare the color of the test strip under good light to obtain a reading. Do not put wet fingers into the bottle. Do not touch or contaminate the detection block on the test strip with your hands.
eBay
3 in 1 PH Tester Water PH Meter TDS EC Temperature Meter Digital LCD Water Testing Pen Purity Filter Water Quality Tester
Aliexpress UK
Scope of application: Swimming pool water, hot spring water. Compare the color of the test strip under good light to obtain a reading. Do not put wet fingers into the bottle. If you encounter any trouble.
eBay
PH Meter High Digital Precision pH Tester Backlight Display Water Quality Tester Laboratory Drinking Water Hydroponics Tank Tool
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
PH Meter Digital PH Tester Water Quality Testers Acidity Measure Device Water Pool Aquarium Hydroponics Home Brew 0-14pH
Aliexpress UK
12-14 Indicates a very high level of Alkalinity. This pH tester kit allows you to accurate test the pH of various substances including foodstuff, Aquarium/Water, Urine, Soil etc. 1-3 Indicates a very high Acidic Substance.
eBay
Soil PH Meter Tester Soil Tester PH Moisture meter Temperature Sunlight Intensity measurement Analysis Soil Acidity Test 4 in 1
Aliexpress UK
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: 0.5-5Testing Paper Size: 54mmx9mm (L*W)Overall Size: 70mmx45mmx5mm (L*W*H)Packing List: 2 x Litmus Test Kit (80/Pack,160pcs)AdvantageThere are 10 color-coded scales that go from 0.5 to 5. Also can be used to determine the strength of acid and base, as we go from 5 to 1 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
Soil PH Meter Tester Soil Tester PH Moisture meter Temperature Sunlight Intensity measurement Analysis Soil Acidity Test 4 in 1
Aliexpress UK
Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Test range for total alkalinity: 0 ~ 240 ppm. Water test in swimming pool or spa pool. Test at both ends of pool twice a week for best results.
eBay
PH Meter High Digital Precision pH Tester Backlight Display Water Quality Tester Laboratory Drinking Water Hydroponics Tank Tool
Aliexpress UK