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Water Testing
Water Testing, TDS Meters and Test Supplies
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Precipitator Replacement Rod and Fuse Kit For PR-2PR-2-KIT Precipitator 2 Repair Kit - Includes 4 replacement iron rods, two aluminum rods and two fuses. If you have the old style PR-2 Precipitator with the WaterFiltersOnline.com Logo and the switch in the center order the first rod and fuse kit. If you have the new style PR-2 Precipitator without the WaterFiltersOnline.com Logo and the switch on the side order the second rod and fuse kit.Learn More - 3M 6-in-1 Water Test Kit -Simple to Use - DIY In Home Water Quality Test Kit6 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$15.75 Special Price $12.99
- ITS 5 in1 Water Test Kit - 5 Way Water Testing5-Way Water Check reports results for Free Chlorine, Total Chlorine, pH, Total Alkalinity & Total Hardness. ITS # 480015 UPC #809762800152Learn More$19.99
- TDS Meter - Test For Total Dissolved Solids In Water - Reverse Osmosis Membrane Tester - TDS MeterTDS 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 RemovedLearn More
- HM Digital AP-1 AquaPro Water Quality TDS Total Dissolved Solids TesterHM 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 Meter EZ - HMD To Test For Total Dissolved Solids In WaterTDS Meter - Tester To Test For Total Dissolved Solids In Water - Reverse Osmosis Membrane TesterLearn More$35.99 Special Price $19.99
- TDS-N TDS Meter. Test your water for total dissolved solids.TDS-N TDS Meter. Test your water for total dissolved solids.Learn More$39.99 Special Price $27.00
- Chlorine Water Testing Kit - 30 Individual Tests per BottleFree & Total Chlorine test strips are perfect for determining whether or not you have the correct amount of sanitizer present. ITS #480655 UPC # 809762806550Learn More$27.99 Special Price $19.99
- Copper Water Test Kit - 25 Tests per BottleJohn's Copper water test is an alternative to wet chemical copper tests. Quick results are obtained in less than 1 minute ITS # 480042 UPC #809762800428Learn More$27.99 Special Price $19.99
- Water Hardness Test Kit - 50 Individual Water TestsTotal Hardness test strips offer a wide range of detection and calibrated to be both accurate and sensitive. ITS # 480008 UPC #809762800084Learn More$19.99
- Iron Test Water Testing Kit - Easy to Use In-Home - 25 Individual Test StripsIda's Iron Check is designed to specifically react with iron, without interference from other heavy metals that may be present. ITS # 481046 UPC #809762810465Learn More$27.99 Special Price $19.99
- pH Alkalinity Water Tests - Easy to Use In-Home - 50 Tests in One BottlepH & Total Alkalinity test strips are designed for both measurements. Gives reproducible results for each test separately. ITS # 480005 UPC #809762800053Learn More$19.99
- TDS-3 Handheld Pure Water Testing Meter For Total Dissolved Solids With Carrying CaseLearn 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.
- TDS Meter Inline Water Tester DM1 - HM Digital Dual Mode Reading - Easily Installs Inline - Very Simple To UseTDS 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 Water Meter Dual Mode Readings - DM2 HM Digital Professional Grade - Easily Installs Inline - Very Simple To UseTDS 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
- WATERPROOF EC / TDS / TEMP COMBO METER / PROFESSIONAL TESTER - HM Digital COM-100FOR 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 Packet # 70032 For Water Testing TDS MetersHanna ® TDS Calibration Solution 1382 PPM for calibrating TDS Meters / Testers to use for testing Reverse Osmosis RO Systems. # 70032Learn More
- HM Digital SP-P2 Replacement Sensor for PH-200 PH MeterHM Digital SP-P2 Replacement Sensor for PH-200 PH MeterLearn More
- PH Buffer Solution From HM Digital - 12 Pillow PacketsHM 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 HI7007MHanna ® 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
- Hanna ® HI70300M Storage Solution For pH & Orp Electrodes For Water TestingHanna ® HI70300M Storage Solution For pH & Orp Electrodes. 230 ml bottle. Hanna storage solutions are prepared with high grade Potassium Chloride and Potassium Hydrogen Phthalate by titration with NIST 2201 standardized Silver Nitrate and NIST 84j standardized Sodium Hydroxide Solution, respectively.Learn More
- Chlorine Water Tests - Bottle Of 50 Individual Tests. Quick Results.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
- Pool and Spa Bacteria Water Tests - Quick ResultsPool and Spa Bacteria Water Tests - Individual Home Pool and Spa Bacteria Water Tests - Use with ease in your own home. Test for Pool and Spa Bacteria in Your Water. Find out what level of water quality is in your pool or spa. Very simple use and very fast results. Pool and Spa Bacteria Water Test - Fast & Easy - 2 Pool And Spa Bacteria Tests Per Package. Easy to use. Do it yourself. Results in 20 minutes. Test for harmful bacteria for safety now.Learn More
- Precipitator Replacement Rods PR-1 and Fuses Repair Kit For Water TestingPrecipitator Replacement Rods and Fuses Repair Kit includes 4 iron rods, 2 aluminum rods and 2 fuses. Don't let a demo fail because you didn't have the repair parts on hand. Be sure to order at least one kit with your new Precipitator. Also fits the old HM Digital PR-1 precipitators.Learn More
- HMI SP-3-Probe Set HM Digital SP-3 Replacement Probe Set For DM-1 TDS MeterHM Digital SP-3 Replacement Probe Set For DM-1 TDS MeterLearn More$19.99
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