5-Way Water Check reports results for Free Chlorine, Total Chlorine, pH, Total Alkalinity & Total Hardness. ITS # 480015 UPC #809762800152 Learn More

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 Meter - Tester To Test For Total Dissolved Solids In Water - Reverse Osmosis Membrane Tester Learn More

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

Free & Total Chlorine test strips are perfect for determining whether or not you have the correct amount of sanitizer present. ITS #480655 UPC # 809762806550 Learn More

John's Copper water test is an alternative to wet chemical copper tests. Quick results are obtained in less than 1 minute ITS # 480042 UPC #809762800428 Learn More

Total Hardness test strips offer a wide range of detection and calibrated to be both accurate and sensitive. ITS # 480008 UPC #809762800084 Learn More

Ida's Iron Check is designed to specifically react with iron, without interference from other heavy metals that may be present. ITS # 481046 UPC #809762810465 Learn More

pH & Total Alkalinity test strips are designed for both measurements. Gives reproducible results for each test separately. ITS # 480005 UPC #809762800053 Learn More

PR-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

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

The PH-80 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more.

 

FEATURES

• Measures pH and Temperature
• One-touch automatic digital calibration
• Water resistant
• Simultaneous temperature display
• Sleek, lightweight design
• Large LCD display
• Automatic Temperature Compensation (ATC)
• Auto-off function, data-hold function and low-battery indicator
• Includes storage solution in a sponge embedded in a translucent cap
• Factory Calibrated.  The PH-80 meter is factory calibration to pH 7.0. The meter can easily and quickly be recalibrated with digital calibration to pH 4.0, 7.0 or 10.0 using the meter's simple one-touch process.
• Includes a cap, batteries, storage solution and pH 7.0 buffer

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Incredibly accurate! A pH tester that is perfect for both consumer or commercial use. Ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, agriculture and more. Measures pH and Temperature. Auto-ranging three point calibration with digital fine tuning Includes 4 pH buffer solution in a sponge embedded in a clear cap, so you can see if it's dried up. Waterproof housing. Simultaneous temperature display. Measurement Range: 0-14 pH. Digital Calibration (push button). Auto-off function, data-hold function and low-battery indicator. Display: large and easy-to-read LCD screen includes simultaneous temperature reading. Factory Calibrated: The PH-200 meter is three-point factory calibrated to 4, 7, and 10 pH. The meter can be recalibrated with digital calibration using the push buttons, rather than a screwdriver. Includes a cap, batteries, and lanyard. pH Range: 0 - 14 Temperature Range: 0-80 °C; 32-176 °F Resolution: 0.01 pH; Temperature resolution is 0.1 °C/F Accuracy: +/- .02% Calibration: Digital calibration by push button. Electrode: Replaceable glass sensor and reference tube electrodes Housing: Waterproof (submersible; floats) Power source: 3 x 1.5V button cell batteries (included) Dimensions: 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches) Weight without case: 96.4 g (3.4 oz) 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

Hanna ® 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

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

Hardness Water Tests - Bottle Of 50 Individual Home Tests - Quick Results. Use with ease in your own home. Test for hadr water. Find out what level of hardness is coming into your house. Monitor water softener performance. Be sure your settings are correct for premium soft water. Very simple use and very fast results. Learn More

Iron Water Test Strips With Test Tablets (20 tests) - Quick Results. Use with ease in your own home. Test for iron in your water. Find out what level of water quality is coming into your house. Very simple use and very fast results. 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

Nitrate & Nitrite Water Tests - Bottle Of 50 Individual Home Tests - Quick Results. Use with ease in your own home. Test for pesticides and more. Find out what level of water quality is coming into your house. Very simple use and very fast results. Learn More

Pesticide Water Tests - Individual Home Pesticide Water Tests - Use with ease in your own home. Test for Pesticide in Your Water. Find out what level of water quality is coming into your house. Very simple use and very fast results. Learn More