Skip to content
Search
SHOP
Lighting
Lighting Accessories
CMH
Fluorescent
HID
LED
UV
Grow Tents
All Grow Tents
Hardware & Equipment
Accessories
Air Pumps
Air Stones & Diffusers
Chillers
Combo Meters
H2O Filters
H2O Pumps
Hydro Systems and Accessories
Microscopes
Ph Meters
Propagation
Refractometers
Pots, Saucers,& Trays
Thermometers/Humidity Gauges
Timers
Trellis
Tubing
Grow Media & Nutrients
Coco Coir
Microbes
Organic Additives
Organic Nutrients
Perlite/Vermiculite
Rockwool
Soil Amendments
Soil/Soilless Media
Synthetic Additives
Synthetic Nutrients
Environmental
Accessories
Air Conditioners
Ducting
Environmental Controllers
Fans
Filters & Pre-Filters
Humidifiers & Dehumidifiers
Odor Control
Pest & Disease Control
CO2
Harvest & Post-Harvest
Extraction
Humidity Packs
Pruners
Scissors
Storage & Containers
Trim Trays
Tumblers
BRANDS
Advanced Nutrients
Horticulture Lighting Group (HLG)
Roots Organic
Hydrodynamics International (HDI)
Bluelab
Pro Co2
Down To Earth
Foxfarm
RIDGELINE
ABOUT
CONSULTING
Account
Site navigation
Menu
Site navigation
SHOP
Lighting
Grow Tents
Hardware & Equipment
Grow Media & Nutrients
Environmental
Harvest & Post-Harvest
Lighting Accessories
CMH
Fluorescent
HID
LED
UV
All Grow Tents
Accessories
Air Pumps
Air Stones & Diffusers
Chillers
Combo Meters
H2O Filters
H2O Pumps
Hydro Systems and Accessories
Microscopes
Ph Meters
Propagation
Refractometers
Pots, Saucers,& Trays
Thermometers/Humidity Gauges
Timers
Trellis
Tubing
Coco Coir
Microbes
Organic Additives
Organic Nutrients
Perlite/Vermiculite
Rockwool
Soil Amendments
Soil/Soilless Media
Synthetic Additives
Synthetic Nutrients
Accessories
Air Conditioners
Ducting
Environmental Controllers
Fans
Filters & Pre-Filters
Humidifiers & Dehumidifiers
Odor Control
Pest & Disease Control
CO2
Extraction
Humidity Packs
Pruners
Scissors
Storage & Containers
Trim Trays
Tumblers
BRANDS
Advanced Nutrients
Horticulture Lighting Group (HLG)
Roots Organic
Hydrodynamics International (HDI)
Bluelab
Pro Co2
Down To Earth
Foxfarm
RIDGELINE
ABOUT
CONSULTING
Login
SIGN UP
Search
Search
Item added to cart.
View cart and check out
.
Close
Close
Shop
Bluelab
Bluelab Connect Stick
No reviews
Regular price
$168.54
View
Bluelab
Bluelab Meter Carry Case
Regular price
$25
View
Bio Green Clean
Bluelab Soil pH Pen
No reviews
Sold Out
View
Bluelab
Bluelab® Multimedia pH Meter with Leap™ pH Probe
Regular price
$279
View
Bluelab
Bluelab® pH Pen
Regular price
$119
View
GroStar
GroStar EC Calibration Kit (2.77 EC, 8 oz. each)
Regular price
$19.99
View
GroStar
GroStar GS1 pH Pen
Regular price
$115.99
View
GroStar
GroStar GS2 Soil pH Pen
Regular price
$256.99
View
GroStar
GroStar GS2-E replacement Soil Spear pH electrode
Regular price
$181.99
View
GroStar
GroStar GS3-E replacement EC electrode
Regular price
$53.99
View
GroStar
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
Regular price
$178.99
View
GroStar
GroStar pH calibration kit (pH 4/7, 8 oz. each)
Regular price
$19.99
View
Serenade
GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
Regular price
$28.99
View
GroStar
GroStar pH Probe Maintanence Kit
Regular price
$23.99
View
Hanna
pHep Tester
Sold Out
View
Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device