Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Test range for total alkalinity: 0 ~ 240 ppm. Scope of application: Swimming pool water, hot spring water. Total chlorine test range: 0 ~ 10 ppm.
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TDS Meter Digital Water Tester 0-9990ppm Drinking Water Quality Analyzer Monitor Filter Rapid Test Aquarium Hydroponics Pools
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
5 in 1 PH Meter Water Quality Tester Digital TDS EC PH Salinity Temperature Meter for Pools Aquariums Water With Backlight
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. Test at both ends of pool twice a week for best results.
eBay
Portable Water Quality Tester LCD Digital PH Meter High Accuracy 0.1 ATC PH Test Pen Water Detector For Aquarium Pool Hydroponic
Aliexpress UK
8In1 Digital Tester Pen Pool Water Monitor PH/TDS/TEMP/ORP/EC/S. G/H2/Salinity . 8 In 1 Digital Tester Pen Pool Water Quality Monitor. We will do everything we can to give you a satisfying solution.
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Drinking Water Aquariums Digital Water Quality Tester Pen Tds meter 7 in 1 TDS/EC/ORP/Salinity /S.G/Temperature pH Meter
Aliexpress UK
Water ID FTX500-1100 FlexiTester Chlor/pH/TA/CYA Multi-tester Kit. This multi tester is ideal for monitoring pool, pond, and swimming pool water quality, ensuring safe conditions for fish breeding and tank maintenance.
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4 in 1 PH/TDS/EC Professional Meter Temperature Digital Water Quality Monitor Tester for Swimmin Pool Drinking Water Aquariums
Aliexpress UK
SALIFERT PROFI TEST KITS. Salifert Ammonia NH3 test kit (NEW). Salifert Calcium CA test kit. Salifert Carbonate Hardness KH/Alk test kit. Salifert Copper Cu test kit. Salifert Iodine I2 test kit. Salifert Magnesium Mg test kit.
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Digital Dispaly PH Meter Water Quality Tester for Drinking Water Aquariums Pools 0-14 PH Electrode Pen Professional Analyzer
Aliexpress UK
TDS: 0-99999ppm. Water quality tester 2. Accuracy: ± 2%. Conductivity: 0-9999us/cm. High precision, efficient and stable performance, with a wide range of applications. Size: 154 × thirty × 14 (mm).
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3 in 1 Digital PH /TDS/ EC Meter Tester Thermometer Pen Water Purity PPM Filter Hydroponic for Aquarium Pool Water Monitor Tools
Aliexpress UK
eBay
TDS Monitor Triple TDS Meter PPM Water Quality Tester 0-9990 PPM for Aquariums Hydroponics Drinking Water 3/1 Probe Optional
Aliexpress UK