Our Single probes are made of high-quality aluminum and copper nickel-plated material. It is portable and has a built-in silicon photovoltaic cell, which directly converts light energy into electricity.
eBay
Water PH Tester Digital PH Meter Automatic Calibration 0.01 Titanium Probe Water Quality Test Monitor Aquarium Pool
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
PH/CL2/H2/ORP/Temperature Meter Chlorine Detector Digital 5 In 1 Water Quality Tester for Swimming Pools Drinking Water Aquarium
Aliexpress UK
Versatile Usage: Ideal fordrinking water ,tap water ,well water ,swimming pools ,aquariums, andhydroponics systems.
eBay
5 in 1 Water Quality Tester EC TDS TEMP Salinity PH Meter Rechargeable for Household Drinking Water Aquarium Swimming Pool Spa
Aliexpress UK
Ammonia (NH3/NH4). Current Expiry: 02/2026. Condition is New.
eBay
Handheld PH Meter PH-98108 pH Tester Glass Electrode Water Quality Detector for Aquarium Water Food Cheese Milk Soil
Aliexpress UK
TDS: 0-99999ppm. Sensitive probe purity instantly visible, press the switch, the test pen into the water to be tested, the lower the TDS value, indicating that the lower the content of total dissolved solids in the water, the purer the water quality.
eBay
Water Quality Tester PH Chlorine Meter CL2 Test Instruments for Swimming Pool Water Analysis
Aliexpress UK
Easy to Use: Just add 40ml of your water sample to the included bottle, mix in the testing powder, secure the lid, and wait for your results effortlessly. - Multi-Purpose Use: Perfect for testing water from a range of sources, such as tap water, pools, aquariums, wells, and fish ponds.
eBay
Water Quality Testing Pen - Electronic Water Tester With 0-9999 PPM Measurement Range For Household Drinking Aquariums
Aliexpress UK
Easy to test: free chlorine/bromine, pH, total alkalinity. Test range of total alkalinity: 0~240 ppm. Project type: swimming pool SPA test paper. Perfect for swimming pool and spa tests. Test range of total chlorine: 0 ~ 10 ppm.
eBay
Vacuum Type Cooling System Test - Radiator Pressure Tester, Water Tank Leak Detection Tool, Car Water Tank Pressure Gauge
Aliexpress UK
Compare Free Chlorine, pH and Total Alkalinity pads (in that order) to colour chart on label.
eBay
5-In-1 Water Quality Test Pen Voice Model EC Acidity Ph Meter Tds Salinity Meter Water Quality Tester Without PH Powder
Aliexpress UK