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.
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50pc Chlorine PH Test Strips SPA Swimming Pool Water Tester Paper Residual Chlorine PH Value Alkalinity Hardness Test Strip 3in1
Aliexpress UK
【HIGH ACCURACY PH TESTER】- The glass probe of this pH tester is made of low-resistance glass sensitive film, and the response speed is within 0.1 seconds. TDS electrodes are made of agile, high-quality titanium alloy with perfect corrosion resistance.
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4 in 1 Water Tester Monitor H2 PH ORP TEMP Meter Reactive Oxygen Hydrogen Analyzer ATC 0-2400PPb for Aquariums Pools Spa
Aliexpress UK
PH Chlorine Water Quality Test Kit Swimming Pool. The ideal range of residual chlorine in the pool water is 1.0-1.5 ppm; the ideal range for the pH of the pool water is 7.2-7.6. When testing pH, if the residual chlorine content is higher than 3.0 ppm, you may get a wrong pH test result.
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50/100Pcs 3/4/5/6/7 in 1 Swimming Pool PH Test Paper Multipurpose Chlorine/PH/Bromine Test Strips Swimming Pool Water Tester
Aliexpress UK
[TDS Digital Reference Table]. > 1000: not suitable for drinking. [Easy to clean] - The electrode protector can be unplugged to clean the probe and sheath. 1× Water Quality Tester （Without battery）. 0-50: High purity.
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50/100pcs Multipurpose 6 in 1 Chlorine PH Test Strips SPA Swimming Pool Water Tester Pape Chlorine/PH/Bromine Measure Paper
Aliexpress UK
Braided stainless steel 300mm hose and corrosion-resistant pressure gauge. 9mm bore dia and 3/4" connector. 1/4 BSP thread gauge connector. Aids in locating and diagnosing plumbing problems. Braided stainless steel 300mm hose & corrosion-resistant pressure gauge.
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50pcs Chlorine PH Test Strips SPA Swimming Pool Water Tester Paper Residual Chlorine PH Value Alkalinity Hardness Test Strip
Aliexpress UK
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YIERYI Smart Pool Water Tester 7 in 1 Wireless Chlorine and PH Monitor for Saltwater/Chlorine Pools App Control Solar Charging
Aliexpress UK
The smaller the index, the smaller the water quality. 1 Piece Leather Case.
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50 Pcs/Bottle 6 In 1 Multipurpose Chlorine PH Test Strips SPA Swimming Pool Water Tester Paper
Aliexpress UK
The lower the TDS content, the purer the water, and the pure water is 0 ppm. TDS is very suitable for checking the quality of tap water or knowing when to replace the filter. TDS is a rugged and durable model that includes a protective carrying case.
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Newest Blue Tooth 7 in 1 PH Meter PH/EC/TDS/ORP/SALT/S.G/TEMP Online Monitor APP Intelligent for Drinking Aquarium Water Tester
Aliexpress UK