PH & PPM Meters

Gardin - pH Meter
Save $2.01
$22.00
$19.99

Gardin - pH Meter

Gardin

The Gardin pH meter is easy to calibrate and even easier to use. One point calibration to 7.0 and you're ready to start reading your reservoir's pH.

$22.00
$19.99
Save $2.01
Bluelab pH Pen
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...

View full details
$112.50
$101.25
Save $11.25
Active Air Indoor-Outdoor Thermometer w/Hygrometer
Save $2.00
$19.95
$17.95

Active Air Indoor-Outdoor Thermometer w/Hygrometer

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...

View full details
$19.95
$17.95
Save $2.00
Active Aqua - 1/2" Inside Diameter Black Tubing, 25' Roll
Save $0.84
$12.59
$11.75

Active Aqua - 1/2" Inside Diameter Black Tubing, 25' Roll

Active Aqua

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 ...

View full details
$12.59
$11.75
Save $0.84
Mondi Mini Greenhouse Thermo-Hygrometer
Save $2.05
$16.95
$14.90

Mondi Mini Greenhouse Thermo-Hygrometer

Mondi

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

View full details
$16.95
$14.90
Save $2.05
Nectar for the Gods Demeter's Destiny, qt
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 ...

View full details
$20.00
$18.00
Save $2.00
Luster Leaf Rapitest Digital Moisture Meter
Save $1.30
$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...

View full details
$12.99
$11.69
Save $1.30
Bluelab Conductivity Pen
Save $9.40
$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 ...

View full details
$94.00
$84.60
Save $9.40
MagicalButter DecarBox / Thermometer Combo
Save $3.50
$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...

View full details
$34.95
$31.45
Save $3.50
Active Aqua - Floating Thermometer
Save $0.21
$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...

View full details
$2.09
$1.88
Save $0.21
Gardin TDS Meter
Save $4.00
$19.99
$15.99

Gardin TDS Meter

Gardin

This handy TDS pen will measure the exact PPM (parts per million) contained in your liquid solution. This tools help growers determine how "hot" so...

View full details
$19.99
$15.99
Save $4.00
Quantum PAR Meter
Save $14.00
$183.99
$169.99

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...

View full details
$183.99
$169.99
Save $14.00
Phantom, 120V-208V-220V-240V DE Open Lighting System with USB Interface
Save $38.00
$383.99
$345.99

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...

View full details
$383.99
$345.99
Save $38.00
Phantom - 50 Series, 1000W, 120V/240V DE Open Lighting System with USB Interface
Sold out
$416.99
$374.99

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...

View full details
$416.99
$374.99
Sold out
Nectar for the Gods Demeter's Destiny, gal
Save $6.00
$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...

View full details
$60.00
$54.00
Save $6.00
C.A.P. - AIR-2 - Independent Temperature &humidity Controller
Save $25.49
$154.95
$129.46
Save $25.49
Bluelab Combo Meter
Save $29.90
$299.00
$269.10

Bluelab - Combo Meter

Bluelab

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...

View full details
$299.00
$269.10
Save $29.90
ARS Sharpening Stone
Save $1.50
$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 ...

View full details
$14.99
$13.49
Save $1.50
General Hydroponics Ripen 2.5 Gallon
Save $31.35
$213.50
$182.15

General Hydroponics Ripen 2.5 Gallon

General Hydroponics

Ripen® 0.5-7-6 promotes increased and abundant flowering with greater oil and fragrance production. Ripen® is highly concentrated and provides macr...

View full details
$213.50
$182.15
Save $31.35

You recently viewed

Clear recently viewed