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HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
(TDS-EZ)…drinking water. Get accurate readings fast due to the advanced factory calibrated microprocessor with hold function for convenient reading and recording from the LCD screen. Included is a convenient chart explaining TDS values. Find out what is in your water so you can buy the right filter to…
Our Price: $ 19.95Retail:$24.99Save:$5.04 (20%)In Stock -
HM Digital COM-100 Water Quality Tester
(COM-100)The HM Digital COM-100 Water Quality Tester is a combination electrical conductivity meter, TDS meter, and temperature reader all in one! This waterproof device is ideal for a wide variety of applications including scientific testing, ecology testing, water treatment and much much more. The COM-100…
Our Price: $ 59.95Retail:$70.99Save:$11.04 (16%)In Stock -
HM Digital AquaPro AP-2 Water Quality Tester - EC 12-Pack
(AP-2)…of water. It also tests the temperature of water, and features Automatic Temperature Compensation (ATC). Useful for both consumers and hobbyists, it can be used to test your drinking water, pools, spas, jacuzzis, aquariums, hydroponic systems, water purification applications, ionizers, water for…
Our Price: $ 25.79Retail:$42.99Save:$17.20 (40%)In StockDiscontinued Product. Read Description for Options.View Details -
HM Digital AquaPro AP-1 Water Quality Tester - TDS 10-Pack
(AP-1)…AquaPro AP-1 Water Quality Tester is a hand-held digital water quality tester which is used to test the amount of total dissolved solids (TDS) and other impurities in your water supply. Useful for both consumers and hobbyists, it can be used to test your drinking water, pools, spas, jacuzzis,…
Our Price: $ 25.79Retail:$42.99Save:$17.20 (40%)In StockDiscontinued Product. Read Description for Options.View Details -
HM Digital ORP-200 ORP Meter Water Tester w/ Temp.
(ORP-200)…your water supply. It also tests the temperature of water, and features Automatic Temperature Compensation (ATC). Useful for both consumers and hobbyists, it can be used to test your drinking water, pools, spas, jacuzzis, aquariums, hydroponic systems, various water purification applications, water…
Related Items: Hm DigitalOur Price: $ 87.95Retail:$108.99Save:$21.04 (19%)In Stock -
HM Digital DM-2 In-Line Dual TDS Monitor
(DM-2)…manufacturing, window washing, car washes, and more. It can also be used in residential applications to determine when to change your whole house filter cartridges, reverse osmosis membranes, and so on. It comes equipped with 1/4 inch Quick-Connect T-fittings. This Dual Range TDS monitor measures…
Our Price: $ 227.50Retail:$289.95Save:$62.45 (22%)In Stock -
HM TDS-4 Pocket Size TDS Meter, TDS4 10 Pack - 10-Pack
(TDS4)…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. TDS Meters Are Used To: Check the performance of your water filter Confirm your drinking water is at a safe, healthy TDS level…
Our Price: $ 17.95Retail:$34.99Save:$17.04 (49%)In StockDiscontinued Product. Read Description for Options.View Details -
HM TDS-3 Meter with Carrying Case 10-Pack
(TDS-3)…including but not limited to water purification, waste-water regulation, aquaculture, hydroponics, and residential RO applications. Measurement range is 0-9990 ppm. TDS Meters Are Used To: Check the performance of your water filter Confirm your drinking water is at a safe, healthy TDS level…
Our Price: $ 22.20Retail:$36.99Save:$14.79 (40%)In StockDiscontinued Product. Read Description for Options.View Details -
HM Digital SP-O2 ORP Sensor Replacement for ORP200
(SP-O2)The HM Digital SP-O2 ORP Sensor Replacement is an Oxidation Reduction Potential (ORP) replacement sensor for the HM Digital ORP-200 ORP Meter Water Tester . (SP-O2 / SP-O2)
Our Price: $ 55.99Retail:$64.99Save:$9.00 (14%)In StockDiscontinued Product. Read Description for Options.View Details -
HM Digital PTDS-4TM Pocket Size TDS Meter w/ Temp 10-Pack
(TDS-4TM)…drinking water along with pools, spas, jacuzzis, aquariums, hydroponic systems, water for alcohol brewing, water purification applications, wastewater regulation, hydroponics, water coolers, colloidal silver, and much more. The HM Digital TDS-4TM has a multitude of advanced water quality testing…
Our Price: $ 22.20Retail:$49.99Save:$27.79 (56%)In StockDiscontinued Product. Read Description for Options.View Details -
HM Digital SM-1 TDS Monitor
(SM-1)…you with the most accurate reading of your water quality. This monitor will measure total dissolved solids (TDS), levels and product water lines at the same time. This will compare rejection rates and the effectiveness of your reverse osmosis membrane and water system as a whole. (SM-1 / SM-1)
Our Price: $ 299.50Retail:$389.90Save:$90.40 (23%)In Stock -
357A Replacement 1.5v Button Cell Battery 10-Pack
(357A)…When used lightly, the 1.5 volt cell battery can last as long as 3 years. Your HM Digital TDS water monitor helps ensure that there are only safe levels of total dissolved solids in your water. Keep your water monitor working at peak performance witht he HM Digital 1.5v Button Cell battery. (357A /…
Our Price: $ 4.00Retail:$5.72Save:$1.72 (30%)In StockDiscontinued Product. Read Description for Options.View Details