Easy to test: Free Chlorine/Bromine, pH, Total Alkalinity. Total Alkalinity Test Range: 0~240ppm. Free Chlorine Test Range: 0~10ppm. -Test at both ends of pool twice a week for best results. pH Test Range: 6.8~8.4.
eBay
Yieryi PH Meter Water Quality Tester ORP EC TDS CF Temperature Benchtop Tester for Aquariums Pools Drinking Water Laboratory
Aliexpress UK
Water quality tester 1. Accuracy: ±0.05 pH. Feature Products. All products are quality checked. They are new and in good. very important to us. We will be happy to resolve. If you don't receive.
eBay
HT‑1202 High Precision Digital Water Quality Tester PH MV Tester Temperature Meter 0~14PH
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
Professional 2 In 1 PH TDS Meter Tester Water Quality Monitor Online Acidity Monitor Analyzers Tester for Aquarium
Aliexpress UK
1 pH and Cl2 Tester with Probe. The fine tool for keeping a pool or spa in a safe chlorine and pH range, without chemicals or guesswork. Large screen displays the test result on pH and chlorine level for easy and accurate reading.
eBay
3/4 in 1 soil instrument illumination tester acid alkalinity meter PH moisture humidity digital display backlight test tester
Aliexpress UK
This digital pH meter features portable design, simple operation and high precision, can detect the pH value of liquids anytime, anywhere, widely used for aquarium, brewing, pool, cosmetic, aquaculture, drinking water, food, industrial wastewater, laboratory and other areas. Specification: Measure range: 0.00- 14.00PHAccuracy: 0.01 PHResolution: 0.01pHPackage: 1*pH meter, 2*calibration solution (pH4.01, pH6.86), 2*1.5V LR44 batteries(including, installed),1*User Manual (English). Two-point Automatic Calibration 1. Prepare calibration solution Dissolve each buffer solution in 250 ml of distilled water 2. pH 6.86 calibration Immerse the electrode into the pH 6.86 solution.(under 25 C). Press the "CAL" button for 3 seconds and releaseDisplay will start flashing 6.86Wait until the display stops flashing. 3.
eBay
5-in-1 Water Quality Tester with Digital Display Multi-Parameter TDS/EC/Ph/Salt/Temp Tester, 0-999pps/µS/cm for Home, Pool
Aliexpress UK
PC-102B CL2 Chlorine & PH Tester Swimming Pool Spa Water Quality Analyzer. Condition is New. Dispatched with Evri Tracked.
eBay
PH Soil Tester Soil Moisture Monitor Sunlight Temp Testers Acidity Alkali Test Tool Garden Plant Thermometer Hygrometer
Aliexpress UK
【Usage】: Chlorine Tester is a convenient tool for testing pool and spa water pH and chlorine levels. 1 PH and Cl2 Tester. With holes for easy hanging. We'd like to settle any problem in a friendly manner.
eBay
Online Water Quality Tester pH/ORP/EC/TDS/SALT/S.G/CF/Temperature APP Tester 8-in-1 WIFI and Data Transfer for Pools Aquariums
Aliexpress UK
【Usage】: Chlorine Tester is a convenient tool for testing pool and spa water pH and chlorine levels. 1 PH and Cl2 Tester. We'd like to settle any problem in a friendly manner. With holes for easy hanging.
eBay
TDS Meter Digital Water Quality Tester PH Meter Tester 0-9990PPM TDS&EC LCD Water Purity PPM Aquarium Filter for Farming ,Pools
Aliexpress UK