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- Root Catalog > Default Category > Active Air > Shop By Brand
- Root Catalog > Default Category > Air • Water • CO2
- Root Catalog > Default Category > Air • Water • CO2 > Air Conditioning
- Root Catalog > Default Category > Air • Water • CO2 > Air Conditioning > Accessories
- Root Catalog > Default Category > Air • Water • CO2 > Air Stones / Diffusers
- Root Catalog > Default Category > Air • Water • CO2 > Air, Water Pumps
- Root Catalog > Default Category > Air • Water • CO2 > Air, Water Pumps > Accessories
- Root Catalog > Default Category > Air • Water • CO2 > Air, Water Pumps > Water Pumps
- Root Catalog > Default Category > Air • Water • CO2 > CO2
- Root Catalog > Default Category > Air • Water • CO2 > CO2 > CO2 Generators, Burners
- Root Catalog > Default Category > Air • Water • CO2 > CO2 > CO2 Tanks
- Root Catalog > Default Category > Air • Water • CO2 > CO2 > Controllers, PPM Monitors
- Root Catalog > Default Category > Air • Water • CO2 > Dehumidifiers
- Root Catalog > Default Category > Air • Water • CO2 > Drip, Tubing, Fittings
- Root Catalog > Default Category > Air • Water • CO2 > Drip, Tubing, Fittings > Drip Emitters
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Accessories
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Dampers, Flanges
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Ducting > 10 Inch
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Ducting > 12 Inch
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Ducting > 14 Inch
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Ducting > 16 Inch
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Ducting > 4 Inch
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Ducting > 6 Inch
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Ducting > 8 Inch
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Ducting > Reducers, Connectors
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Fans by CFM
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Fans by CFM > 601 to 800 CFM
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Floor, Mount, Stand Fans
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Inline Fans
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Inline Fans > 10 Inch
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Inline Fans > 12 Inch
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Inline Fans > 14 Inch
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Inline Fans > 16 Inch
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Inline Fans > 4 Inch
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Inline Fans > 6 Inch
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Inline Fans > 8 Inch
- Root Catalog > Default Category > Air • Water • CO2 > Fans / Ducting > Mufflers, Silencers
- Root Catalog > Default Category > Air • Water • CO2 > Filters / Odor Control
- Root Catalog > Default Category > Air • Water • CO2 > Filters / Odor Control > Carbon Filters
- Root Catalog > Default Category > Air • Water • CO2 > Filters / Odor Control > Pre-Filters
- Root Catalog > Default Category > Air • Water • CO2 > pH, TDS, EC, PPM
- Root Catalog > Default Category > Air • Water • CO2 > pH, TDS, EC, PPM > pH Testers, Meters
- Root Catalog > Default Category > Air • Water • CO2 > Sprayers, Misters
- Root Catalog > Default Category > Air • Water • CO2 > Water Chillers / Heaters
- Root Catalog > Default Category > Air • Water • CO2 > Water Chillers / Heaters > Water Chillers
- Root Catalog > Default Category > Air • Water • CO2 > Water Filters / RO's
- Root Catalog > Default Category > Air • Water • CO2 > Water Filters / RO's > Float Valves
- Root Catalog > Default Category > Air • Water • CO2 > Water Filters / RO's > Replacement RO Filters, Accessories
- Root Catalog > Default Category > Air • Water • CO2 > Water Filters / RO's > Water Filters, RO's
- Root Catalog > Default Category > Air • Water • CO2 > Watering Devices, Hoses
- Root Catalog > Default Category > BudBusters
- Root Catalog > Default Category > Controllers • Meters
- Root Catalog > Default Category > Controllers • Meters > Controllers
- Root Catalog > Default Category > Controllers • Meters > Controllers > Brands > C.A.P.
- Root Catalog > Default Category > Controllers • Meters > Controllers > Brands > Titan Controls
- Root Catalog > Default Category > Controllers • Meters > Controllers > Controller Accessories
- Root Catalog > Default Category > Controllers • Meters > Controllers > Fans
- Root Catalog > Default Category > Controllers • Meters > Controllers > Multi-Function
- Root Catalog > Default Category > Controllers • Meters > Light Controllers > Controllers
- Root Catalog > Default Category > Controllers • Meters > Meters
- Root Catalog > Default Category > Controllers • Meters > Meters > Replacement Parts
- Root Catalog > Default Category > Controllers • Meters > Nutrient Dosers
- Root Catalog > Default Category > Lights
- Root Catalog > Default Category > Lights > Ballasts
- Root Catalog > Default Category > Lights > Ballasts > Digital
- Root Catalog > Default Category > Lights > Ballasts > Magnetic
- Root Catalog > Default Category > Lights > Ballasts > Wattages
- Root Catalog > Default Category > Lights > Ballasts > Wattages > 1000
- Root Catalog > Default Category > Lights > Ceramic Metal Halide Lights CMH
- Root Catalog > Default Category > Lights > Complete Commercial Fixture
- Root Catalog > Default Category > Lights > Double Ended DE
- Root Catalog > Default Category > Lights > Fluorescent Lights
- Root Catalog > Default Category > Lights > Fluorescent Lights > Compact Fluorescents (CFL)
- Root Catalog > Default Category > Lights > Fluorescent Lights > Light Stands
- Root Catalog > Default Category > Lights > Fluorescent Lights > T5
- Root Catalog > Default Category > Lights > Fluorescent Lights > T5 > 4 Foot Bulbs
- Root Catalog > Default Category > Lights > Fluorescent Lights > T5 > 4 Foot Fixtures
- Root Catalog > Default Category > Lights > Grow Light Hangers > Hangers / Movers
- Root Catalog > Default Category > Lights > Induction Lights
- Root Catalog > Default Category > Lights > LED Lights
- Root Catalog > Default Category > Lights > Light & Tent Packages
- Root Catalog > Default Category > Lights > Light & Tent Packages > 1000w > Light Packages
- Root Catalog > Default Category > Lights > Light & Tent Packages > 2' x 2' Grow Rooms
- Root Catalog > Default Category > Lights > Light & Tent Packages > 3' x 3' Grow Rooms
- Root Catalog > Default Category > Lights > Light & Tent Packages > 4' x 4' Grow Rooms
- Root Catalog > Default Category > Lights > Light & Tent Packages > 4' x 8' Grow Rooms
- Root Catalog > Default Category > Lights > Light & Tent Packages > 8' x 8' Grow Rooms
- Root Catalog > Default Category > Lights > Light & Tent Packages > LED Tent Packages
- Root Catalog > Default Category > Lights > Light Movers > Hangers / Movers
- Root Catalog > Default Category > Lights > MH, HPS Bulbs
- Root Catalog > Default Category > Lights > MH, HPS Bulbs > Brands > Hortilux
- Root Catalog > Default Category > Lights > MH, HPS Bulbs > Types
- Root Catalog > Default Category > Lights > MH, HPS Bulbs > Types > HPS
- Root Catalog > Default Category > Lights > MH, HPS Bulbs > Types > MH
- Root Catalog > Default Category > Lights > MH, HPS Bulbs > Wattages > 1000
- Root Catalog > Default Category > Lights > MH, HPS Bulbs > Wattages > 150
- Root Catalog > Default Category > Lights > MH, HPS Bulbs > Wattages > 600
- Root Catalog > Default Category > Lights > Parts / Accessories
- Root Catalog > Default Category > Lights > Parts / Accessories > Accessories
- Root Catalog > Default Category > Lights > Parts / Accessories > Power Cords
- Root Catalog > Default Category > Lights > Plasma Lights
- Root Catalog > Default Category > Lights > Reflectors
- Root Catalog > Default Category > Lights > Reflectors > Air Cooled
- Root Catalog > Default Category > Lights > Reflectors > Built in Ballast Reflector
- Root Catalog > Default Category > Lights > Reflectors > Non-Cooled Reflectors
- Root Catalog > Default Category > Lights > Reflectors > Wing Reflectors
- Root Catalog > Default Category > Lights > Timers / Controllers
- Root Catalog > Default Category > Lights > Timers / Controllers > Light Controllers
- Root Catalog > Default Category > Lights > Timers / Controllers > Timers
- Root Catalog > Default Category > Nutrients
- Root Catalog > Default Category > Nutrients > Accessories
- Root Catalog > Default Category > Nutrients > Amino Acids / Vitamins
- Root Catalog > Default Category > Nutrients > Bloom Boosters
- Root Catalog > Default Category > Nutrients > Brands
- Root Catalog > Default Category > Nutrients > Brands > Advanced Nutrients
- Root Catalog > Default Category > Nutrients > Brands > BioBizz
- Root Catalog > Default Category > Nutrients > Brands > Bloom (Yellow Bottle)
- Root Catalog > Default Category > Nutrients > Brands > Botanicare
- Root Catalog > Default Category > Nutrients > Brands > Cutting Edge Solutions
- Root Catalog > Default Category > Nutrients > Brands > Cyco
- Root Catalog > Default Category > Nutrients > Brands > Dr. Earth
- Root Catalog > Default Category > Nutrients > Brands > Dutch Master
- Root Catalog > Default Category > Nutrients > Brands > Dyna-Gro
- Root Catalog > Default Category > Nutrients > Brands > Earth Juice
- Root Catalog > Default Category > Nutrients > Brands > Emerald Triangle
- Root Catalog > Default Category > Nutrients > Brands > Fox Farm
- Root Catalog > Default Category > Nutrients > Brands > General Hydroponics
- Root Catalog > Default Category > Nutrients > Brands > General Organics
- Root Catalog > Default Category > Nutrients > Brands > Grotek
- Root Catalog > Default Category > Nutrients > Brands > Grow More
- Root Catalog > Default Category > Nutrients > Brands > Heavy 16
- Root Catalog > Default Category > Nutrients > Brands > House & Garden
- Root Catalog > Default Category > Nutrients > Brands > Maxicrop
- Root Catalog > Default Category > Nutrients > Brands > Nectar for the Gods
- Root Catalog > Default Category > Nutrients > Brands > Rock Nutrients
- Root Catalog > Default Category > Nutrients > Brands > Roots Organics
- Root Catalog > Default Category > Nutrients > Brands > Supernatural
- Root Catalog > Default Category > Nutrients > Brands > Technaflora
- Root Catalog > Default Category > Nutrients > Brands > X Nutrients
- Root Catalog > Default Category > Nutrients > Brands > Xtreme Gardening
- Root Catalog > Default Category > Nutrients > Cal Mag Additives
- Root Catalog > Default Category > Nutrients > Compost Teas
- Root Catalog > Default Category > Nutrients > Enzymes
- Root Catalog > Default Category > Nutrients > Fish Based
- Root Catalog > Default Category > Nutrients > Flower Hardeners
- Root Catalog > Default Category > Nutrients > Flushes, Leaches
- Root Catalog > Default Category > Nutrients > Foliar Sprays
- Root Catalog > Default Category > Nutrients > Guanos
- Root Catalog > Default Category > Nutrients > Humic & Fulvic
- Root Catalog > Default Category > Nutrients > Mycorrhizae, Bacteria
- Root Catalog > Default Category > Nutrients > Nutrient Starter Kits
- Root Catalog > Default Category > Nutrients > Organic Nutrients
- Root Catalog > Default Category > Nutrients > Organic Nutrients > Bloom Nutrients
- Root Catalog > Default Category > Nutrients > Organic Nutrients > Complete Nutrient
- Root Catalog > Default Category > Nutrients > Organic Nutrients > Growth Nutrients
- Root Catalog > Default Category > Nutrients > pH Up, Down
- Root Catalog > Default Category > Nutrients > Root Stimulators
- Root Catalog > Default Category > Nutrients > Seaweeds, Kelps
- Root Catalog > Default Category > Nutrients > Silicas
- Root Catalog > Default Category > Nutrients > Sweeteners, Sugars
- Root Catalog > Default Category > Nutrients > Synthetic Nutrients
- Root Catalog > Default Category > Nutrients > Synthetic Nutrients > Bloom Nutrients
- Root Catalog > Default Category > Nutrients > Synthetic Nutrients > Complete Nutrient
- Root Catalog > Default Category > Nutrients > Synthetic Nutrients > Growth Nutrients
- Root Catalog > Default Category > Nutrients > Synthetic Nutrients > Micro Nutrients
- Root Catalog > Default Category > Nutrients > Wetting Agents
- Root Catalog > Default Category > Plant Care
- Root Catalog > Default Category > Plant Care > Insecticides / Pesticides
- Root Catalog > Default Category > Plant Care > Insecticides / Pesticides > Fungus Gnats
- Root Catalog > Default Category > Plant Care > Insecticides / Pesticides > Mites
- Root Catalog > Default Category > Plant Care > Insecticides / Pesticides > Whiteflies
- Root Catalog > Default Category > Plant Care > Molds / Fungicides
- Root Catalog > Default Category > Plant Care > Organic Pesticides
- Root Catalog > Default Category > Plant Care > Traps
- Root Catalog > Default Category > Plant Care > Wetting Agents / Leaf Washes
- Root Catalog > Default Category > Pots • Trays
- Root Catalog > Default Category > Pots • Trays > Compost Tea Brewers
- Root Catalog > Default Category > Pots • Trays > Flood Tables / Trays
- Root Catalog > Default Category > Pots • Trays > Grow Bags
- Root Catalog > Default Category > Pots • Trays > Lids
- Root Catalog > Default Category > Pots • Trays > Pots, Net Pots, Mesh Pots
- Root Catalog > Default Category > Pots • Trays > Pots, Net Pots, Mesh Pots > Fabric Pots
- Root Catalog > Default Category > Pots • Trays > Reservoirs
- Root Catalog > Default Category > Pots • Trays > Saucers
- Root Catalog > Default Category > Propagation
- Root Catalog > Default Category > Propagation > Cloning Machines
- Root Catalog > Default Category > Propagation > Cloning, Seedling Media
- Root Catalog > Default Category > Propagation > Cut Trays, Humidity Domes
- Root Catalog > Default Category > Propagation > Heat Mats, Thermostats
- Root Catalog > Default Category > Shop By Brand > AmHydro
- Root Catalog > Default Category > Shop By Brand > Apache Tech
- Root Catalog > Default Category > Shop By Brand > Atami (B'Cuzz)
- Root Catalog > Default Category > Shop By Brand > Best Value Vacs
- Root Catalog > Default Category > Shop By Brand > Blackstar LEDs
- Root Catalog > Default Category > Shop By Brand > Bloom (Yellow Bottle)
- Root Catalog > Default Category > Shop By Brand > Bluelab
- Root Catalog > Default Category > Shop By Brand > BML Horticulture
- Root Catalog > Default Category > Shop By Brand > Bond Manufacturing
- Root Catalog > Default Category > Shop By Brand > Bonide
- Root Catalog > Default Category > Shop By Brand > Botanicare
- Root Catalog > Default Category > Shop By Brand > C.A.P.
- Root Catalog > Default Category > Shop By Brand > C.A.P. MaxLume
- Root Catalog > Default Category > Shop By Brand > California Light Works
- Root Catalog > Default Category > Shop By Brand > Can Fans & Filters
- Root Catalog > Default Category > Shop By Brand > Deau Passe Products
- Root Catalog > Default Category > Shop By Brand > Down To Earth
- Root Catalog > Default Category > Shop By Brand > Dr. Earth
- Root Catalog > Default Category > Shop By Brand > Earths Friend
- Root Catalog > Default Category > Shop By Brand > Eco Grow Pot Systems
- Root Catalog > Default Category > Shop By Brand > EcoPlus
- Root Catalog > Default Category > Shop By Brand > Galaxy Electronic Ballasts
- Root Catalog > Default Category > Shop By Brand > Gavita
- Root Catalog > Default Category > Shop By Brand > GE
- Root Catalog > Default Category > Shop By Brand > Gold Label Substrates & Nutrients
- Root Catalog > Default Category > Shop By Brand > Gorilla Grow Tent
- Root Catalog > Default Category > Shop By Brand > Green Air Products
- Root Catalog > Default Category > Shop By Brand > GreenBroz Dry Trimmers
- Root Catalog > Default Category > Shop By Brand > Grodan
- Root Catalog > Default Category > Shop By Brand > Grow Crew
- Root Catalog > Default Category > Shop By Brand > Grow More Hydroponics
- Root Catalog > Default Category > Shop By Brand > Growers Secret
- Root Catalog > Default Category > Shop By Brand > Growgles
- Root Catalog > Default Category > Shop By Brand > GrowoniX
- Root Catalog > Default Category > Shop By Brand > Harvest Keeper
- Root Catalog > Default Category > Shop By Brand > Harvest Master
- Root Catalog > Default Category > Shop By Brand > Heavy 16
- Root Catalog > Default Category > Shop By Brand > Heliospectra
- Root Catalog > Default Category > Shop By Brand > Hormex
- Root Catalog > Default Category > Shop By Brand > House & Garden
- Root Catalog > Default Category > Shop By Brand > Hydor
- Root Catalog > Default Category > Shop By Brand > Hydro Grow
- Root Catalog > Default Category > Shop By Brand > Hydro Innovations
- Root Catalog > Default Category > Shop By Brand > Hydrofarm
- Root Catalog > Default Category > Shop By Brand > Ideal-Air
- Root Catalog > Default Category > Shop By Brand > Kozy Kool
- Root Catalog > Default Category > Shop By Brand > LumiGrow
- Root Catalog > Default Category > Shop By Brand > Nature Solutions
- Root Catalog > Default Category > Shop By Brand > NPK Industries & Raw Solubles
- Root Catalog > Default Category > Shop By Brand > Nutri+
- Root Catalog > Default Category > Shop By Brand > Organic Bountea
- Root Catalog > Default Category > Shop By Brand > Phantom
- Root Catalog > Default Category > Shop By Brand > Philips
- Root Catalog > Default Category > Shop By Brand > Phresh Filters
- Root Catalog > Default Category > Shop By Brand > Plant Success
- Root Catalog > Default Category > Shop By Brand > Planters Pride
- Root Catalog > Default Category > Shop By Brand > Premier Horticulture
- Root Catalog > Default Category > Shop By Brand > Prepara
- Root Catalog > Default Category > Shop By Brand > Pure Essentials
- Root Catalog > Default Category > Shop By Brand > Pure Grow Soil
- Root Catalog > Default Category > Shop By Brand > PurGro Electronics
- Root Catalog > Default Category > Shop By Brand > Quantum
- Root Catalog > Default Category > Shop By Brand > Raindrip
- Root Catalog > Default Category > Shop By Brand > Rainwater Hog
- Root Catalog > Default Category > Shop By Brand > Rapitest
- Root Catalog > Default Category > Shop By Brand > Rasta Bob's
- Root Catalog > Default Category > Shop By Brand > Roots Organics
- Root Catalog > Default Category > Shop By Brand > Secret Jardin
- Root Catalog > Default Category > Shop By Brand > Sentinel
- Root Catalog > Default Category > Shop By Brand > Sero Systems
- Root Catalog > Default Category > Shop By Brand > Solis Tek
- Root Catalog > Default Category > Shop By Brand > Sun Pulse
- Root Catalog > Default Category > Shop By Brand > Sun System
- Root Catalog > Default Category > Shop By Brand > Suncourt
- Root Catalog > Default Category > Shop By Brand > Sunlight Supply, Inc.
- Root Catalog > Default Category > Shop By Brand > Super Sprouter
- Root Catalog > Default Category > Shop By Brand > SuperCloset
- Root Catalog > Default Category > Shop By Brand > Sure To Grow
- Root Catalog > Default Category > Shop By Brand > Titan Controls
- Root Catalog > Default Category > Shop By Brand > TurboKlone
- Root Catalog > Default Category > Shop By Brand > Uber
- Root Catalog > Default Category > Shop By Brand > Universal Garden Supply
- Root Catalog > Default Category > Shop By Brand > Whitmire
- Root Catalog > Default Category > Shop By Brand > Wingscapes
- Root Catalog > Default Category > Shop By Brand > X Nutrients
- Root Catalog > Default Category > Shop By Brand > Xtrasun
- Root Catalog > Default Category > Shop By Brand > Zenport Industries
- Root Catalog > Default Category > Soil • Media
- Root Catalog > Default Category > Soil • Media > Amendments
- Root Catalog > Default Category > Soil • Media > Hydroton, Pebbles, Clay, Stones
- Root Catalog > Default Category > Soil • Media > Rockwool
- Root Catalog > Default Category > Soil • Media > Soil / Soilless Mixes
- Root Catalog > Default Category > Soil • Media > Worm Castings
- Root Catalog > Default Category > Specials > Monthly Promotion Products
- Root Catalog > Default Category > Systems
- Root Catalog > Default Category > Systems > Aquaponics Systems
- Root Catalog > Default Category > Systems > Hydro / Growing Systems
- Root Catalog > Default Category > Systems > Hydro / Growing Systems > Ebb & Flow
- Root Catalog > Default Category > Systems > System Accessories
- Root Catalog > Default Category > Tents • Greenhouse
- Root Catalog > Default Category > Tents • Greenhouse > Accessories, Parts, Tools
- Root Catalog > Default Category > Tents • Greenhouse > Cloning Tents
- Root Catalog > Default Category > Tents • Greenhouse > Reflective Material
- Root Catalog > Default Category > Tents • Greenhouse > Tents By Size
- Root Catalog > Default Category > Tents • Greenhouse > Tents By Size > 2' x 2'
- Root Catalog > Default Category > Tents • Greenhouse > Tents By Size > 3' x 3'
- Root Catalog > Default Category > Tents • Greenhouse > Tents By Size > 4' x 4'
- Root Catalog > Default Category > Tents • Greenhouse > Tents By Size > 4' x 8'
- Root Catalog > Default Category > Tents • Greenhouse > Tents By Size > 5' x 5'
- Root Catalog > Default Category > Tents • Greenhouse > Tents By Size > Other Sizes
- Root Catalog > Default Category > Tools • Gear
- Root Catalog > Default Category > Tools • Gear > Apparel
- Root Catalog > Default Category > Tools • Gear > Bubble Bags, Pollen Machines, & Sifters > Extraction
- Root Catalog > Default Category > Tools • Gear > Cleaning / Sanitation
- Root Catalog > Default Category > Tools • Gear > Drying Racks
- Root Catalog > Default Category > Tools • Gear > Extraction
- Root Catalog > Default Category > Tools • Gear > Eyewear / Glasses
- Root Catalog > Default Category > Tools • Gear > Harvesting Gear
- Root Catalog > Default Category > Tools • Gear > Measuring / Scales
- Root Catalog > Default Category > Tools • Gear > Microscopes, Cameras
- Root Catalog > Default Category > Tools • Gear > Safety
- Root Catalog > Default Category > Tools • Gear > Scissors
- Root Catalog > Default Category > Tools • Gear > Stakes, Markers, Cages
- Root Catalog > Default Category > Tools • Gear > Trellis Netting
- Root Catalog > Default Category > Tools • Gear > Trimmers
- Root Catalog > Default Category > Tools • Gear > Vaporizers
Dr. Earth Cottonseed Meal *DISCONTINUED*
We are no longer carrying Dr. Earth. We recommend Espoma Organics as a suitable alternate line of products. Cottonseed Meal Infused with seven strains of beneficial soil microbes. Contains Dr. Earth Superactiveâ„¢ soil and seed inoculant. Fast results due to the microbes. All around source of primary nutrients. Makes soil more acidic.