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Call: 920.857.9493
Talk to our Experts!
Shop By Brand
Nectar for the Gods
Neptune's Harvest
ONA
Organocide
Phantom LED
Pro-Mix
PhotonTek LED
Plant Success
Quest
Rainmaker
Real Growers
Root Riot
Roots Organics
Rosinbomb
Safer
Sasquash
Secret Jardin
Seed Savers Exchange
Smart Pot
South Cascade Organics
Spectralux
St. Gabriel Organics
Sun Blaster
Sunshine
Super Sprouter
Superthrive
TNB Naturals
The Amazing Doctor Zymes
Titan Controls
Vanquish Lighting Systems
Vipar Spectra
Wiggle Worm
Xtreme Gardening
Garden Supplies
Shop All Garden Supplies
Seedling & Cloning
Seed & Clone Kits
Trays & Domes
Seedling Heat Mats
Root Starter Cubes, Plugs & Inserts
Cloning Gels, Powders & Solutions
Clone & Seedling Lights
Planting Pots & Containers
Net Pots, Buckets & Lids
Grow Pots & Bags
Saucers & Spill Trays
Plant Markers & Labels
Grow Media & Soil Mixes
Soil & Coco Coir
Soil Amendments & Compost
Compost Tea Brewing
Clay Pebbles & Growstones
Rockwool Cubes & Slabs
Perlite & Vermiculite
Garden Care & Pest Control
Plant Stakes, Netting & Clips
Soil Meters & Test Kits
Insect & Pest Control
Fungus, Disease & Weed Control
Scissors & Hand Tools
Watering, Sprayers & Foggers
Leaf Shines & Wetting Agents
Cleaners & Disinfectants
Garden Accessories
Hygrometers & Thermometers
Scissors & Hand Tools
Gloves & Bodywear
Glasses & Eyewear
Work Lights & Head Lamps
Microscopes & Magnification
Measuring Tools
Harvest Supplies
Harvest | Trimmers
Harvest | Trimming Supplies
Harvest | Extraction Equipment
Harvest | Drying Supplies
Harvest | Storage Supplies
Nutrients
Shop All Nutrients
Nutrient Packages
Organic Nutrients
Liquid Nutrients
Dry Nutrients
Micro Nutrients
Grow Formulas
Bloom Formulas
Compost Tea & Brewing
pH Up & pH Down
Flushing Agents
Supplements & Additives
Growth Enhancers
Bloom Enhancers & Boosters
Root Enhancers & Stimulants
Mycorrhizae & Beneficial Bacteria
Calcium & Magnesium
Silica & Yucca
Seaweed & Kelp
Fish & Marine Based
Bat & Seabird Guano
Organic Meals
Single Ingredient Supplements
Amino Acids & Vitamins
Humic & Fulvic Acids
Cloning Gels, Powders & Solutions
Foliar Feed Sprays
Plant Enzymes
Nutrient Pouring & Measuring
Grow Lights
Shop All Grow Lights & Accessories
Commercial Grow Light Systems
Seed Starting Grow Lights
LED Grow Lights
LED Grow Light | Panels
LED Grow Light | Bars
LED Grow Light | Controllers
LED Grow Light | Bulbs
LED Grow Light | T5 Tubes
LED Grow Light | Repair
Fluorescent Grow Lights
Fluorescent Grow Light Systems
Fluorescent Grow Light Tubes
LED T5 Fixture Light Tubes
Compact Fluorescent (CFL) Bulbs
Fluorescent Ballasts & Parts
CMH | LEC Grow Lights
Grow Light Bulbs
High Pressure Sodium (HPS) Bulbs
Metal Halide (MH) Bulbs
Ceramic Metal Halide (LEC) Bulbs
Fluorescent Light Tubes
LED Grow Light Bulbs
Compact Fluorescent (CFL) Bulbs
Timers & Lighting Control
Standard Timers
LED Grow Light Controllers
Cycle & Photocell Timers
Light Movers & Hangers
Light Rails & Components
Hangers & Mounts
Spectrum | PAR | Light Meters
Hydroponics
Shop All Hydroponics Supplies
Hydroponic Systems & Accessories
Meters | Testing | Dosing
pH Meters | Pens | Monitors
PPM | TDS | EC Meters
Multi-Meters & Monitors
Nutrient | pH Dosing Systems
Calibration & Cleaning Solutions
pH Up & pH Down
Water Test Kits
Thermometers & Hygrometers
Grow Trays
Reservoirs Tanks & Lids
Water Pumps | H2O Pumps
Water Pumps | Submersible
Water Pumps | In-Line
Water Pumps | Tubing & Hose
Water Pumps | Parts & Filters
Air Pumps | O2 Pumps
Air Pumps | Single Outlet
Air Pumps | Multi-Outlet
Air Stones | Air Diffusers
Air Pumps | Tubing & Hose
Air Dividers | Air Manifolds
Water Filtration & Treatment
Water Filtration Systems
Water Filters & Membranes
Water Filtration Parts & Fittings
Water Purification | Chemical Treatments
Water Chillers & Heaters
Fittings & Irrigation
Spray Heads, Drippers & Spinners
Irrigation Drip Stakes & Supports
Fittings, Connectors & Plugs
Grommets, Seals & Clamps
Irrigation Tubing & Hose
Irrigation Watering Kits
Valves & Flow Controllers
Fill & Drain Risers
Environment
Shop All Environmental Supplies
Atmosphere & CO2 Controllers
Grow Room Controllers
Temp & Humidity Controllers
CO2 Controllers
CO2 Monitors
Fan Speed Controllers
Cycle & Photocell Timers
CO2 Generators & Burners
Fans & Blowers
In-Line & Bullet Fans
Pedestal & Floor Fans
Wall Mount Fans
Clip-On Fans
Fan Controllers
Air Conditioning & Dehumidifiers
Mylar & Plastic Wall Coverings
Odor Control & Carbon Filters
Carbon Air Filters
Gels, Sprays & Mists
Ventilation & Ducting
Grow Tents
Shop All Grow Tents & Accessories
Grow Tents | Complete Kits
Grow Tents | Large Size
Grow Tents | Mid-Size
Grow Tents | Compact Size
Grow Tents | Multi-Chamber
Grow Tents | Fans & Airflow
Grow Tents | Ventilation
Grow Tents | Accessories
Mushroom Supplies
Shop All Mushroom Supplies
Mushroom | Culture Syringes
Mushroom | Fruiting Blocks
Mushroom | Grow Kits
Mushroom | Grow Media
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Hanna Instruments
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Hanna Instruments
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20 Products
-30%
Hanna Instruments
HANNA® GroLine Soil Test™ Direct Soil EC Tester
-35%
Hanna Instruments
HANNA® GroLine Waterproof Hydroponic pH Tester
-16%
Hanna Instruments
HANNA® GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester
-6%
Hanna Instruments
HANNA® GroLine Hydroponic Monitor for pH, EC, TDS, Temperature
-15%
Hanna Instruments
HANNA® Groline QuickCal Calibration Solution Sachet, 20 mL
-14%
Hanna Instruments
HANNA® GroLine Hydroponic Waterproof pH/EC/TDS/Temperature Portable Meter
-34%
Hanna Instruments
HANNA® GroLine Hydroponics pH Tester
-17%
Hanna Instruments
HANNA® 1382 ppm TDS Calibration Solution, 230 mL
-23%
Hanna Instruments
HANNA® GroLine Waterproof EC/TDS (ppm) Tester
-22%
Hanna Instruments
HANNA® GroLine Electrode Storage Solution, 500 mL
-15%
Hanna Instruments
HANNA® GroLine pH 7.01 Calibration Buffer Sachets, 20 mL
-11%
Hanna Instruments
HANNA® GroLine 1413 uS/cm Calibration Solution, 230 mL
-15%
Hanna Instruments
Hanna® GroLine Electrode Cleaning Solution, 20 mL Sachets
-22%
Hanna Instruments
HANNA® Groline pH 7.01 Calibration Buffer Solution, 500 mL
-14%
Hanna Instruments
HANNA® GroLine Nutrient Monitor for pH, EC, TDS, Temperature
-29%
Hanna Instruments
HANNA® GroLine Soil pH Tester
-22%
Hanna Instruments
HANNA® Groline QuickCal Calibration Solution, 500 mL
-15%
Hanna Instruments
HANNA® GroLine pH 4.01 Calibration Buffer Sachets, 20 mL
-16%
Hanna Instruments
Hanna® GroLine pH Dosing System
-16%
Hanna Instruments
Hanna® GroLine Nutrient Dosing System
