PH & PPM Meters

Measures pH and temperature. Selectable units for °C & °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration...

Milwaukee's most affordable pH tester, range: 0.0 to 14.0 pH, with one point manual calibration, and accuracy of ±0.2 pH. Battery Life: 700 hours. ...

Ensure the perfect temperature and humidity for plants through all growing stages with the Mondi Mini Greenhouse Thermo-Hygrometer. The thermo-hygr...

Use our sturdy black vinyl tubing, which is FDA-approved and BPA-free, for your irrigation systems and tanks, and to complete your own hydroponic ...

The Gardin pH meter. Easy to calibrate and even easier to use. One point calibration to 7.0 and your ready to start reading your reservoirs pH.

Measures conductivity and temperature. Selectable units for conductivity and temperature. Backlit LCD display with low battery warning. Successful ...

Derived from calcium phosphate, Demeter’s Destiny promotes plant sugars and fruit flavor, reduces blossom end rot, promotes vigorous plant growth ...

The Precision Blade Sharpener quickly sharpens your Hydrofarm Precision Pruners and all similarly-sized pruners to original sharpness with a few ea...

Active Air's indoor-outdoor thermometer gives you more. Made of sturdy materials to stand up to the climate of your indoor grow room, this essenti...

The Rapitest® Digital Moisture Meter tests for moisture at the roots - where it matters - you no longer risk over watering a healthy plant just bec...

QUANTUM PAR METER Fully portable handheld PAR meter features our highly accurate, integrated Quantum Sensor that measures PAR (Photosynthetically A...

Measures moisture content of soil. Lets you know to water. Helps you determine if plant is getting adequate light. Helps you control pH level in so...

Use to easily dry flowers and herbs. Zipper allows for each level to be completely enclosed. Gently maneuver, shake and flip without losing content...

It is widely accepted that talking to your plants is great for their health. If they could speak to you, what would they say? Probably that they'r...

Performance, Quality & Reliability: Introducing The Commercial DE Open Lighting System The Commercial DE Open Lighting System features state-of...

The DecarBox features an integrated digital probe thermometer. This device lets you easily calibrate your oven for precise accuracy during decarbox...

Derived from calcium phosphate, Demeter’s Destiny promotes plant sugars and fruit flavor, reduces blossom end rot, promotes vigorous plant growth a...

Plants need the correct pH level which controls how well plants utilize the nutrients available in your soil. All plants have a pH preference, so i...

The Commercial DE Open Lighting System features state-of-the-art double-ended technology that uniformly delivers optimum PAR value over a broad fo...

The Active Aqua floating thermometer delivers easy and accurate readings of your water temperature. This gauge floats and has a pressure sensitive...

The Gardena Smart Flow Water Meter measures water usage daily, monthly, by season, or yearly. The LCD screen clearly displays information with meas...

The Bluelab® Combo Meter is a conductivity, pH and temperature meter all in one. As the Bluelab® Combo Meter is portable and does not require a pow...

The AC-SS240 is a sharpening stone designed by ARS. Made of hard stone, this stone is ideally shaped for pruners, scissors and hedge shears. It is ...

Use to easily dry flowers and herbs. Zipper allows for each level to be completely enclosed. Gently maneuver, shake and flip without losing content...

GH 1/4" (outside diameter) airline for Waterfarm. This clear air tubing is ideal for delivering air from air pumps to pumping columns of WaterFarm ...

A HYDROFARM EXCLUSIVE! Specially designed for the AeroGarden, these are sure to turn everyday meals into extraordinary dishes. Grow delicious jalap...

You'll find multiple uses for and multiple places to put this Active Air hygro-thermometer. Check the large number LCD display from a distance, an...