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TDS Meter - Total Dissolved Solids Meter, Water Quality Testers


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Water Tester product list


HM Digital TDS-EZ 0-9990 PPM 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.


In stock! Ships in 1 business day.
HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
Our Price: $15.95

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Waterworks High Range Chlorine Water Test Strips
(480022)

Waterworks High Range Free Chlorine Water Quality Test Strips (480022) combine a broad range of chlorine detection with a specially-designed free chlorine indicator. These FDA approved Waterworks chlorine test strips are ideal for testing the chlori


In stock! Ships in 1 business day.
Waterworks High Range Chlorine Water Test Strips
Our Price: $13.99
Retail: $14.99
You Save 7%!

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Watersafe Bacteria Pool Test Kit for Pools & Spas
(WS-359RC)

With the Watersafe Rapid Bacteria Pool Test Kit, you can test pool water and spa water for bacteria in just 17 minutes. No other pool test kits on the market allow you to test pool water so quickly, and without sending the sample off for lab work.


In Stock! Ships in 3 to 4 business days.
Watersafe Bacteria Pool Test Kit for Pools & Spas
Our Price: $3.95

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3M LeadCheck Swabs 8pk LC-8S10C
(LC-8S10C)

The 3M LC-8S10C provides an instant and very easy solution for lead detection. The LeadCheck home water analysis test kit is non-toxic, odorless, and recognized by the EPA.


In Stock! Ships in 15 to 16 business days.
3M LeadCheck Swabs 8pk LC-8S10C
Our Price: $24.49
Retail: $26.95
You Save 9%!

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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.


In stock! Ships in 1 business day.
HM TDS-3 Meter with Carrying Case
Our Price: $22.20
Retail: $37.00
You Save 40%!

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Sensafe Exact Micro 7 Free Chlorine Test Strips
(486637)

These Free Chlorine Test Strips 486637 are used in the Sensafe Exact Micro 7 Photometer and in other water testing micro meters. Spa and Swimming pool owners should test for free chlorine in pool water regularly.


In Stock! Ships in 16 to 17 business days.
Sensafe Exact Micro 7 Free Chlorine Test Strips
Our Price: $15.95
Retail: $19.99
You Save 20%!

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Sensafe Exact Micro 7 pH Test Strips 486639
(486639)

These pH Test Strips 486639 are used in the Sensafe Exact Micro 7 Photometer and in other water testing micro meters. Spa and Swimming pool owners should test pool water pH level weekly to ensure their water is neither too acidic or too alkaline.


In Stock! Ships in 16 to 17 business days.
Sensafe Exact Micro 7 pH Test Strips 486639
Our Price: $8.99
Retail: $10.99
You Save 18%!

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Watersafe Test for Pesticides in Water
(WS-289)

The Watersafe WS-289 is the correct water test for: Testing pesticides in drinking water


Special Order. Ships in 9 days.
Watersafe Test for Pesticides in Water
Our Price: $9.95
Retail: $14.99
You Save 34%!

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Water Works 2 Free & Total Chlorine Testing Strips
(480655)

These chlorine test strips allow you to test your water for free chlorine, total chlorine, and even chloramine, a disinfectant often used in place of chlorine in many municipalities.


In stock! Ships in 1 business day.
Water Works 2 Free & Total Chlorine Testing Strips
Our Price: $15.95
Retail: $17.99
You Save 11%!

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HM Digital AquaPro AP-1 Water Quality Tester - TDS
(AP-1)

The HM Digital 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


In stock! Ships in 1 business day.
HM Digital AquaPro AP-1 Water Quality Tester - TDS
Our Price: $25.79
Retail: $42.95
You Save 40%!

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HM Digital COM-100 Replacement TDS Sensor SP-C1
(SP-C1)

The HM Digital COM-100 Replacement TDS Sensor SP-C1 is a combination water testing meter and is perfect for all water quality testing applications. The HM Digital SP-C1 measures electrical conductivity, (EC) total dissovled solids, (TDS) and tempera


In stock! Ships in 1 business day.
HM Digital COM-100 Replacement TDS Sensor SP-C1
Our Price: $29.95
Retail: $38.99
You Save 23%!

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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.


In stock! Ships in 1 business day.
HM Digital COM-100 Water Quality Tester
Our Price: $59.95
Retail: $65.00
You Save 8%!

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HM Digital AquaPro AP-2 Water Quality Tester - EC
(AP-2)

The HM Digital AquaPro AP-2 Water Quality Tester is a hand-held digital water quality tester which is used to test the electrical conductivity (EC) of water. It also tests the temperature of water, and features Automatic Temperature Comp


In stock! Ships in 1 business day.
HM Digital AquaPro AP-2 Water Quality Tester - EC
Our Price: $25.79
Retail: $42.95
You Save 40%!

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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.


In stock! Ships in 1 business day.
HM PH-200 Waterproof pH Meter
Our Price: $79.95
Retail: $85.00
You Save 6%!

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Watersafe Rapid Bacteria Pool Water Test 10-Pack
(WS-359BP)

The Watersafe WS-359BP is the correct water test for the following: Testing swimming pool water Testing spa water


In stock! Ships in 1 business day.
Watersafe Rapid Bacteria Pool Water Test 10-Pack
Our Price: $19.95
Retail: $29.99
You Save 33%!

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HM Digital PH-200 Replacement pH Sensor SP-P2
(SP-P2)

The HM Digital PH-200 Replacement pH Sensor SP-P2 is a pH testing meter that is ideal for all pH testing applications. This HM Digital pH meter measures pH and temperature, featuring a simultaneous temperature display. This pH monitor has auto-rangi


Special Order. Ships in 8 days.
HM Digital PH-200 Replacement pH Sensor SP-P2
Our Price: $48.99
Retail: $49.99
You Save 2%!

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Indoor Air Quality Test Kit - Schneider Labs
(Indoor Air Test)

The Schneider Laboratories Global, Inc. Indoor Air Test is a lab test kit that tests indoor air for the following: Over 700,000 compounds affecting indoor air quality All tests conducted by the Indoor Air Quality Test Kit - Schneider Labs are

Free shipping within the continental United States!

In Stock! Ships in 21 to 22 business days.
Indoor Air Quality Test Kit - Schneider Labs
Our Price: $156.99
Retail: $199.99
You Save 22%!

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eXact 486639-II Strip Micro pH
(486639-II)

The eXact 486639-II bulk test strip bottle allows you to measure the pH level of water from a variety of sources such as pools, spas, and wells.


In stock! Ships in 1 business day.
eXact 486639-II Strip Micro pH
Our Price: $11.99
Retail: $12.99
You Save 8%!

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HM Digital TM-1 Digital Thermometer
(TM-1)

The HM Digital TM-1 Digital Thermometer is an industrial grade digital thermometer for use in a variety of applications. This digital thermometer features a durable 2.5" stainless steel probe with a 20" cable. This thermostat with probe also include


Special Order. Ships in 15 days.
HM Digital TM-1 Digital Thermometer
Our Price: $23.99
Retail: $29.99
You Save 20%!

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357A Replacement 1.5v Button Cell Battery - 2-Pack
(357A)

The HM Digital 1.5 V Button Cell Battery Replacement is a battery replacement for your HM digital water monitor. This battery replacement will keep your HM TDS, TM, COM, and DM model working at its best.


Special Order. Ships in 12 days.
357A Replacement 1.5v Button Cell Battery - 2-Pack
Our Price: $2.00
Retail: $2.99
You Save 33%!

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Everpure Digital Pocket TDS Meter EV650020
(EV650020)

The Everpure EV650020 measures the following in your water: Total Dissolved Solids (TDS) Temperature The Everpure Digital Pocket TDS Meter EV650020 accurately measures the TDS level in your water. This Everpure digital meter also includes an


Special Order. Ships in 15 days.
Everpure Digital Pocket TDS Meter EV650020
Our Price: $46.95
Retail: $49.95
You Save 6%!

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Pool eXact 486201 EZ Photometer Water Tester
(486201)

The eXact 486201 uses state of the art water testing technology to give lab-quality results poolside.

Free shipping within the continental United States!

Special Order. Ships in 37 days.
Pool eXact 486201 EZ Photometer Water Tester
Our Price: $129.99
Retail: $139.99
You Save 7%!

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Pool eXact 486203 EZ Photometer Well Water Tester
(486203)

The eXact 486203 achieves lab-quality well water test results within seconds.

Free shipping within the continental United States!

Special Order. Ships in 18 days.
Pool eXact 486203 EZ Photometer Well Water Tester
Our Price: $129.99
Retail: $139.99
You Save 7%!

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Sensafe Exact Micro 7 Total Alkalinity Test Strips
(486641)

These Total Alkalinity Test Strips 486641 are used in the Sensafe Exact Micro 7 Photometer and in other water testing micro meters. Spa and Swimming pool owners should test pool water for total alkalinity regularly to ensure their total alkalinity...


Special Order. Ships in 18 days.
Sensafe Exact Micro 7 Total Alkalinity Test Strips
Our Price: $12.99
Retail: $14.99
You Save 13%!

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Fluoride Test Strips for eXact Micro 7+ Photometer
(486643)

These Fluoride Test Strips (ITS 486643) are used in the Sensafe eXact Micro 7+ Photometer and other compatible water testing micro meters.


In stock! Ships in 1 business day.
Fluoride Test Strips for eXact Micro 7+ Photometer
Our Price: $8.99
Retail: $14.99
You Save 40%!

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