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TDS Water Quality Tester HM Digital Measurements

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Currently unavailable - see the TDS Meter - TDSM    TOOL, TDS METER


HM Digital TDS-EZ water qualtiy tester measures Total Dissolved Solids in drinking water and pool and spa from 0-9990 ppm.  Don't guess when it is time for a water change.

Monitor your TDS with this easy to use and inexpensive ppm pen device. Read the reviews of this tds stick at the button on the right or purchase online.

  • Advanced microprocessor technology
  • Easy to use
  • Hold Function: saves measurements for convenient reading and recording
  • Auto-off function - this TDS test meter shuts off automatically after 10 minutes of non-use to conserve batteries.
  • Large, easy to read display
  • Measurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image.
  • TDS-EZ meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver. Includes a TDS chart sticker on the back of the meter that explains TDS values.
  • Know when to change a drinking water filter
  • Know when to change the hot tub water

Great tool for testing drinking water, water filtration and purification, hydroponics (test your nutrients), aquariums, RO/DI systems, pools and spas, and more.


water quality meter

Note: This meter does not test for sanitizer level or biological contaminants. It tests for total dissolved solids in the water.

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