$18.00
$16.20
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PH & PPM Meters
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$33.95
$30.55
Milwaukee - pH Meter pH600 AQ
Milwaukee
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. ...
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$33.95
$30.55
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Save $11.25
$112.50
$101.25
Bluelab - pH Pen
Bluelab
Measures pH and temperature. Selectable units for °C & °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration...
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$112.50
$101.25
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$11.99
$10.79
Hydrofarm - Precision Pruner and Scissor Sharpener
Hydrofarm
The Precision Blade Sharpener quickly sharpens your Hydrofarm Precision Pruners and all similarly-sized pruners to original sharpness with a few ea...
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$11.99
$10.79
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$23.95
$21.55
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$9.00
$8.10
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$94.00
$84.60
Bluelab - Conductivity Pen
Bluelab
Measures conductivity and temperature. Selectable units for conductivity and temperature. Backlit LCD display with low battery warning. Successful ...
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$94.00
$84.60
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Save $2.00
$20.00
$18.00
Nectar for the Gods Demeter's Destiny, qt
Nectar for the Gods
Derived from calcium phosphate, Demeter’s Destiny promotes plant sugars and fruit flavor, reduces blossom end rot, promotes vigorous plant growth ...
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$20.00
$18.00
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$9.95
$8.96
Bond - 3 Way Soil Meter
Bond
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...
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$9.95
$8.96
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$589.99
$530.99
Phantom, 120V-208V-220V-240V DE Open Lighting System with USB Interface
Phantom DE
Performance, Quality & Reliability: Introducing The Commercial DE Open Lighting System The Commercial DE Open Lighting System features state-of...
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$589.99
$530.99
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$19.95
$17.95
P3 International - Save a Drop Water Meter
Hydrofarm
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...
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$19.95
$17.95
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$14.99
$13.49
Rapitest Digital Soil pH Meter
Luster Leaf
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...
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$14.99
$13.49
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$34.95
$31.45
MagicalButter DecarBox / Thermometer Combo
Harvest Solutions
The DecarBox features an integrated digital probe thermometer. This device lets you easily calibrate your oven for precise accuracy during decarbox...
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$34.95
$31.45
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$60.00
$54.00
Nectar for the Gods Demeter's Destiny, gal
Nectar for the Gods
Derived from calcium phosphate, Demeter’s Destiny promotes plant sugars and fruit flavor, reduces blossom end rot, promotes vigorous plant growth a...
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$60.00
$54.00
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$2.09
$1.88
Active Aqua - Floating Thermometer
Active Aqua
The Active Aqua floating thermometer delivers easy and accurate readings of your water temperature. This gauge floats and has a pressure sensitive...
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$2.09
$1.88
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$19.95
$17.95
Active Air - Hygrometer - Thermometer with Alarm Clock
Active Air
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...
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$19.95
$17.95
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$49.99
$44.99
Gardena - Smart Flow Water Meter
Gardena
The Gardena Smart Flow Water Meter measures water usage daily, monthly, by season, or yearly. The LCD screen clearly displays information with meas...
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$49.99
$44.99
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$164.95
$148.45
Quantum PAR Meter
Active Eye
QUANTUM PAR METER Fully portable handheld PAR meter features our highly accurate, integrated Quantum Sensor that measures PAR (Photosynthetically A...
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$164.95
$148.45
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$12.99
$11.69
Luster Leaf Rapitest Digital Moisture Meter
Luster Leaf
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...
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$12.99
$11.69
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$14.99
$13.49
ARS - Sharpening Stone
ARS
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 ...
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$14.99
$13.49
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$12.99
$11.69
Rapitest Digital Moisture Meter
Rapitest
The Rapitest® Digital Moisture Meter is an essential tool for keeping soil moisture at ideal levels, providing accurate readings instantly on its L...
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$12.99
$11.69
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$14.99
$13.49
Rapitest Digital Soil pH Meter
Rapitest
For an accurate, easy-to-use soil pH tester, look no further than the Rapitest® Digital Soil pH Meter. The unit’s interface presents test results i...
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$14.99
$13.49
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Save $25.90
$259.00
$233.10
GroLine - Waterproof Combo pH/EC/TDS (ppm) Meter
Hanna Instruments
The HI9814 is a slim, light, and waterproof meter that allows you to measure pH, TDS (ppm), and temperature of your hydroponic nutrient solution...
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$259.00
$233.10
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$589.99
$530.99
Phantom - 50 Series, 1000W, 120V/240V DE Open Lighting System with USB Interface
Hydrofarm
The Commercial DE Open Lighting System features state-of-the-art double-ended technology that uniformly delivers optimum PAR value over a broad fo...
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$589.99
$530.99
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$119.00
$107.10
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$389.00
$350.10
HANNA - Groline PH/EC/TDS/ Temperature Monitor With Multi parameter Probe, HI981420
Hanna Instruments
$389.00
$350.10
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$232.00
$208.80
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$124.95
$112.46
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Save $77.10
$770.99
$693.89
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$263.99
$237.59
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