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HM Digital Water Quality Testers, TDS Meters |
HM TDS EZ Water Quality Tester
(TDS-EZ)
HM TDS EZ Water Quality Tester is ideal for all your basic water testing needs including checking the TDS in your drinking water, food & coffee, Aquariums and more. This easy-to-use tester offers the best value for the the price.
Our Price:
$15.95
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in 1 business day.
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HM TDS-3 Meter with Carrying Case
(TDS-3)
HM TDS-3 Meter is ideal for both residential and commercial applications including but not limited to water purification, waste-water regulation, aquaculture, hydroponics, and residential RO applications. Measurement range is 0-9990 ppm.
List Price:
$37.00
Our Price:
$27.75
You Save:
$9.25 (25%)
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HM Digital COM-100 Water Quality Tester
(COM-100)
The HM Digital COM-100 Water Quality Tester is a combination electrical conductivitiy meter, TDS meter, and temperature reader all in one! This waterproof device is ideal for a variety of applications including scientific testing & much much more.
List Price:
$56.99
Our Price:
$49.99
You Save:
$7.00 (12%)
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HM pH Buffer Solution Variety Pack
(pH Buffer)
The pH Buffer Solution Variety Pack from HM Digital is lightweight, economically priced and has an indefinite shelf life. Easy to use. Preparation directions are included directly on the bottle.
Our Price:
$9.75
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HM Digital TDS Calibration Solution
(342 Cal Sol)
HM Digital TDS Calibration Solution can be used periodically to re-calibrate your TDS meter or Water Quality Tester.
Our Price:
$8.75
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in 1 business day.
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HM TDS-4 Pocket Size TDS Meter, TDS4
(TDS4)
HM TDS-4 Meter will monitor the TDS (Total Dissolved Solids) levels for drinking water, water filters, hydroponics, Aquariums, Food and Coffee, Pools and Spas and residential RO applications. Measurement range is 0-9990 ppm.
List Price:
$35.00
Our Price:
$26.25
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$8.75 (25%)
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HM PH-200 Waterproof pH Meter
(PH-200)
The HM PH-200 Waterproof pH Meter is a highly accurate, professional grade digital pH and temperature meter. Incredibly accurate, the PH200 is perfect for both consumer and commercial use. View Details for more information...
List Price:
$85.00
Our Price:
$79.00
You Save:
$6.00 (7%)
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HM DM-1 In-Line Dual TDS Monitor
(DM-1)
The HM DM-1 In-Line Dual TDS Monitor allows you to measure the tap water going into your filteration system versus the filtered water coming out of your system at any time. Stop guessing the performance of your filtration system with the DM1!
List Price:
$42.00
Our Price:
$32.00
You Save:
$10.00 (24%)
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HM Clean Tap Monitor, CT-1
(CT-1)
HM Clean Tap Monitor, CT-1, attaches to any standard faucet and monitors the quality of your filtration system. The indicator unit which sits at the base of your faucet provides three lights that indicate when your filter should be changed.
List Price:
$35.00
Our Price:
$25.00
You Save:
$10.00 (29%)
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