Filter Sell All listing types Sell Auction Service Nutrients All categories Genetics Seeds Pollen Clones Tissue Cultures Spores Equipment Complete kits Ventilation / Climate Lights Propagation Irrigation system Tents & greenhouses Nutrients Soil & Media Pots & trays Controllers & meters Harvesting & processing Testing Packaging & conditioning Mycology supplies Accessories, tools, consumables Services Breeding Compliance Design & Construction Extraction Harvesting Propagation Price Min: Max: Condition New Refurbished Used Use Nutrient kits Synthetic nutrients Organic nutrients Veganic nutrients Amino Acids / Vitamins Bloom boosters Cal Mag Additives Composts Compost teas Dolomite lime Enzymes Fish based Feminizing Flower hardeners Flushes Foliar sprays Guanos Humic & fulvic Mycorrhizae & bacteria Molds, fungicides Live insects Root stimulators pH Up, Down Seaweeds Silicas Other Update view All categories Genetics Equipment Complete kits Ventilation / Climate Lights Propagation Irrigation system Tents & greenhouses Nutrients Soil & Media Pots & trays Controllers & meters Harvesting & processing Testing Packaging & conditioning Mycology supplies Accessories, tools, consumables Services MaxiCrop Algamin Kelp Meal - 5 lbs $17.39 / unit GrowersHouse BioBizz Fish-Mix $16.45 / unit GrowersHouse Blossom Blood - Select pH Control Powder for Hydroponics $16.42 / unit GrowersHouse Growth Science Nutrients - Rock Solid $17.36 / unit GrowersHouse Elite Nutrients Elite Base Nutrient A $16.39 / unit GrowersHouse Remo Nutrients - Grow $16.32 / unit GrowersHouse Growth Science Nutrients - Solid Start $17.36 / unit GrowersHouse House & Garden - Top Booster $17.36 / unit GrowersHouse Roots Organics CalMag $16.27 / unit GrowersHouse FoxFarm Bush Doctor Sledge Hammer $16.26 / unit GrowersHouse Nectar For The Gods - Aphrodite's Extraction - Sucrose Carbon $17.29 / unit GrowersHouse Hormex Concentrate $16.19 / unit GrowersHouse Optic Foliar Switch Reverse Nutrient $16.14 / unit GrowersHouse Humboldt Roots $16.13 / unit GrowersHouse Technaflora MagiCal 2 - 0 - 0 $16.07 / unit GrowersHouse Floralicious Plus - Vegan Organic Enhancer (2 - 0.8 - 0.02) $16.01 / unit GrowersHouse Bluelab pH Up Solution - 1 L $15.98 / unit GrowersHouse Key To Life - Key to Boost $15.96 / unit GrowersHouse General Hydroponics - Liquid KoolBloom - 0-10-10 $15.96 / unit GrowersHouse Botanicare Fulvex $15.94 / unit GrowersHouse FoxFarm Marine Cuisine 10-7-7 $15.94 / unit GrowersHouse FoxFarm Big Bloom 0 - 0.5 - 0.7 $15.94 / unit GrowersHouse BioWeed - 0.2-0-0.3 $15.89 / unit GrowersHouse Sugar Peak Transition (2.7- 3.1- 2.7) $15.86 / unit GrowersHouse Earth Juice Sugar Peak Grand Finale $15.86 / unit GrowersHouse Humboldt Nutrients - Equilibrium 1 - 1 - 2 $15.81 / unit GrowersHouse House & Garden - Nitrogen Boost $15.72 / unit GrowersHouse NPK RAW Enzymes $15.71 / unit GrowersHouse NPK RAW Amino Acids $15.71 / unit GrowersHouse Xtreme Gardening Mykos $15.71 / unit GrowersHouse ← Previous 1 … 14 15 16 17 18 … 23 Next →