Water Testing

6 in 1 Home Water Test Kit by 3M. Use this 3M DIY water quality test for convenient on-site testing. The 3M DIY water quality test kit provides quick analysis. Learn More

HM Digital AP-1 AquaPro Water Quality Total Dissolved Solids Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, +/- 2% Readout. HM Digital introduces its new AquaPro series, a line of handheld TDS/EC meters with a sleek design that's perfect for today's modern kitchen. The AquaPro digital water testers are the next generation for today's tech-savvy and health-conscience consumer. Learn More

TDS-N TDS Meter. Test your water for total dissolved solids. Learn More

TDS Meter - Tester. The Only Way To Know If Your Reverse Osmosis RO Membrane Is Performing Correctly - Tests for TDS - Total Dissolved Solids. A Must For All RO System Owners. Compare Incoming Feed Water To Treated Water - Replace Membrane If Less Than 80% of TDS Is Being Removed Learn More

TDS-3 Handheld Pure Water Testing Meter For Total Dissolved Solids With Carrying Case. HM Digital. Features Ideal for commercial use. Includes a carrying case with belt clip. Highly efficient and accurate due to its advanced microprocessor technology. Hold Function: saves measurements for convenient reading and recording. Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. 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. Built-in digital thermometer Display: large and easy-to-read LCD screen. Factory Calibrated.

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TDS Water Meter - HM Digital DM1 - Dual Mode - Installs Inline - Check the TDS level with the push of a button. Now you can easily check to make sure the water from your reverse osmosis system is top quality. Measure the tap water coming in vs. the purified water going out of your system at any time. Very easy installation. Highly efficient and accurate due to its advanced microprocessor technology. Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use. Dual Range 0-9990 ppm. Always know if your RO membrane is performing correctly! Learn More

TDS Meter Dual Mode Readings - Professional Grade - Easily Installs Inline - Very Simple To Use. Measure the tap water coming in vs. the purified water going out of your system at any time. Use the meter to determine when the filters need to be changed. Highly efficient and accurate due to its advanced microprocessor technology. Displays TDS levels of the Feed Water and Product Water with in & out electrode probes. Auto-Off function conserves battery power. The unit shuts off automatically after 20 seconds. Dual Range - Measures from 0-999 ppm, with a resolution of 1 ppm. Learn More

FOR THE PROFESSIONAL ! ------ COMBO METER / TESTER FOR EC / TDS / TEMP - WATERPROOF. The only handheld TDS meter / EC meter with full scale digital calibration. A water tester that is perfect for both consumer or commercial use. Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more. Learn More

Hanna ® TDS Calibration Solution 1382 PPM for calibrating TDS Meters / Testers to use for testing Reverse Osmosis RO Systems. # 70032 Learn More

HM Digital SP-P2 Replacement Sensor for PH-200 PH Meter Learn More

HM Digital's pH buffer solution comes in powder form, so it's lightweight, takes up very little space, is inexpensive and has an indefinite shelf life. Variety pack of pH buffer solution. Simple to use. Powder has an indefinite shelf life. Total volume: 1.2 liters. Each powder packet makes 100 ml of solution (when mixed with distilled or deionized water) Contents: 3 packets of 4.0 pH, 6 packets of 7.0 pH, 3 packets of 10.01 pH Extra: Includes one empty 100 ml bottle Accuracy: +/- 0.02 pH at 25 degrees Celsius Preparation directions included with the pack. Learn More

Hanna ® pH 7.01 Buffer Solution HI7007M used to calibrate meters. Hanna pH buffers are made of Potassium Dihydrogen Phosphate and Disodium Hydrogen Phosphate and are standardized with a pH meter that is calibrated to NIST primary standard buffer solutions (NIST 186Ie & 186IIe and NIST 158g S.R.M.). 230 ml bottle. Learn More

8 in 1 Home Water Test Kit - Very Simple To Use - Quick Results. Kit includes 2 complete tests for each of the following: Iron, Hardness, Copper, Nitrates, Nitrites, Chlorine, pH and Alkalinity. Learn More

Chlorine Water Tests - Bottle Of 50 Individual Tests. Quick Results. Use with ease in your own home. Find out what level of chlorine is coming into your house. Very simple use and very fast results. Learn More