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You should test your pool or spa a minimum of 2-3 times per week. A spa should be tested before each use due to the higher water temperature and smaller water volume. Pool and spa testing is also advised after heavy swimmer use (i.e. a party), after animals have been in .

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Additional useful information:XRF TechnologyPrecious Metal AnalysisGold Purity TestingSilver TesterLet us know your analysis needs to find out how we can help.

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The GXL-NEXT is the most complete electronic tester in the world. with the ability to test gold, silver, and platinum, it is the only tester you'll ever need. This tester has a full range of karat determination from 6 to 24 karats (10, 14, 18, 22, 24, and all karats in between).

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This 50KV/200uA Handheld XRF Analyzers with Ultra Fast-SDD Detector has application advantage of geology, mineral resources, metallurgy and mineral processing.Our 911MPEXRF700 is likely the lowest cost XRF analyzer on the market today. Compare this new XRF, with its 2 Yr warranty to a used XRF analyzer with a "shady user history". Analyse gold, silver, rare earths, and most other metals.

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Measuring PPM/EC/TDS. TDS is the measuring of the amount of salts in a solution. For alot of applications the amount of salt is indicitive of the levels of other stuff in a solution. TDS/PPM meters sold for gardening and aquariums figure the amount of salt in Parts Per Million by measuring the Electrical Conductivity of the solution under test.

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What is the best way to calibrate a TDS or EC meter? Standard reference solutions are used. The bottles are marked with the conductivity (EC) value in milliSiemens/cm and the corresponding ppm values for sodium chloride (NaCl) and potassium chloride (KCl) solutions, and sometimes for a .

When you can test something easily and accurately, you can manage it. Specifically, you can get the most from water-based plant growing systems. And that's Bluelab's world. Our product range of pH meters and pH controllers and nutrient meters and controllers, measure parameters such as pH, conductivity and temperature.

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HM Digital TDS-3 Handheld TDS Meter. With its rugged design and build, the TDS-3 is an ideal meter (tool) that can be used for any application; Ranging from water purification, to hydroponics to industrial waste water treatment.
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