Nutrients & Supplements

SUPERthrive Root-Gel Rooting Gel | 4oz - (Case of 12)

Product Code:

DYNDRTG004

$17.03 $27.99 -39%

Big Foot Mycorrhizae Concentrate | 4oz - Water-in-Root Inoculum

Product Code:

ARCBFC04

$17.00

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Down to Earth Seabird Guano 0-11-0 | 5lb - OMRI Listed - (Case of 6)

Product Code:

DTE07816

$17.00 $29.79 -43%

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SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 32oz - The Silicon Solution - (Case of 12)

Product Code:

DYNDTEK032

$16.99 $28.05 -39%

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FoxFarm Bush Doctor Microbe Brew, 1 pt

Product Code:

FX14096

$16.95 $21.91 -23%

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FoxFarm Big Bloom Liquid Concentrate, 1 qt

Product Code:

FX14002

$16.92 $25.30 -33%

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Armory Beneficial Bacteria Blend | 2oz - OMRI Listed

Product Code:

BBSLGAR002

$16.69 $30.03 -44%

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Biobizz Bio-Grow | 1 L

Product Code:

BBG1L

$16.64 $25.80 -36%

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Remo Grow, 1 L

Product Code:

RN71210

$16.64 $20.99 -21%

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BioBizz Bio-Grow 1L CA & OR only

Product Code:

BBG1LCA

$16.64 $25.80 -36%

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BioBizz Bio-Bloom 1L CA & OR only

Product Code:

BBB1LCA

$16.64 $25.80 -36%

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BioAg Ful-Power | 1 qt (ID,IL,IA,KS,MN,NE,OH,OK,OR)

Product Code:

BA71004

$16.60 $25.99 -36%

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House & Garden Drip Clean, 250 ml

Product Code:

HGDPC002

$16.58 $25.70 -35%

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Xtreme Gardening Azos Root Booster | 2oz - (Case of 12)

Product Code:

RTI1349

$16.56 $21.16 -22%

Xtreme Gardening Mykos | 1lb - (Case of 12)

Product Code:

RTI4401

$16.56 $21.16 -22%

Rock Fusion Bloom Base Nutrient, 1 L

Product Code:

GGFBN1L

$16.54 $39.99 -59%

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General Hydroponics Diamond Nectar 0-1-1 - 32oz

Product Code:

HGC732160

$16.46 $25.82 -36%

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HDI MotherPlant Nutrients Part B | 1gal - (Case of 4)

Product Code:

HDIMOTHERBGAL

$16.45 $49.07 -66%

FoxFarm Bush Doctor Kangaroots Root Drench Inoculant 0.8-0.1-0.03 | 16oz - Concentrate

Product Code:

FXF793769

$16.42 $19.99 -18%

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MICROBE Life Hydroponics Foliar Spray & Root Dip | 32oz - (Case of 12)

Product Code:

ECLPH21349

$16.40 $41.99 -61%

DaKine 420 Shock & Awe Bloom Booster | 1,000g - (Case of 4)

Product Code:

DAKSA1000

$16.36 $68.99 -76%

Roots Organics Ancient Amber | 32oz

Product Code:

AURROAAQ

$16.33 $19.99 -18%

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Roots Organics Buddha Bloom | 32oz

Product Code:

AURROBBQ

$16.33 $19.99 -18%

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Roots Organics Buddha Grow | 32oz

Product Code:

AURROBGQ

$16.33 $19.99 -18%

Roots Organics HPK | 32oz

Product Code:

AURROHPKQ

$16.33 $19.99 -18%

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HDI Ionic Bloom Plant Nutrient 3-2-6 | 32oz

Product Code:

HDIIONBLQT

$16.33 $21.34 -23%

HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 32oz

Product Code:

HDIIONBOQT

$16.33 $21.34 -23%

HDI Ionic Grow Plant Nutrient 3-1-5 | 32oz

Product Code:

HDIIONGRQT

$16.33 $21.34 -23%

HDI Ionic Grow for Soil Plant Nutrient 3-1-4 | 32oz

Product Code:

HDIIONSOGRQT

$16.33 $21.34 -23%

Cutting Edge Solutions Micro, 1 qt

Product Code:

CES2401

$16.32 $16.99 -4%

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FoxFarm Open Sesame, 1 lb

Product Code:

FX14026

$16.23 $57.10 -72%

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Optic Foliar Overgrow, 1 L RTU

Product Code:

OFGR01L

$16.22 $24.99 -35%

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Xtreme Gardening Calcar Foliar Booster | 3oz - (Case of 12)

Product Code:

RTI2504

$16.16 $20.64 -22%

FoxFarm Cultivation Nation Micro, 1 qt

Product Code:

FX14820

$16.11 $23.98 -33%

Roots Organics Buddha Bloom 1qt

Product Code:

ROBBQV2

$16.09 $24.93 -35%

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General Hydroponics CALiMAGic 1-0-0 - 32oz

Product Code:

HGC733525

$16.05 $25.14 -36%

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FoxFarm Bush Doctor Sledgehammer | 16oz -OMRI Listed

Product Code:

FXF793806

$16.03 $19.99 -20%

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Neptune's Harvest Seaweed Plant Food 0-0-1 | 32oz - Concentrate - Makes 32gal - OMRI Listed - (Case of 12)

Product Code:

NEPSW136

$16.01 $21.29 -25%

Big Foot Root Boost Nitrogen-Fixing Azospirillum | 5oz

Product Code:

ARCBFAZ05

$15.99

+ −

Elite Root Igniter E, 8 oz - A Hydrofarm Exclusive!

Product Code:

EN51001

$15.96 $32.99 -52%

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MICROBE Life Hydroponics Photosynthesis Plus | 16oz - (Case of 12)

Product Code:

ECLPH21226

$15.91 $30.99 -49%

FoxFarm Bush Doctor Bemb Sweet & Dandy 0-1-3 | 16oz - Concentrate

Product Code:

FXF794056

$15.91 $22.99 -31%

+ −

Roots Organics Terp Tea Bloom, 3 lb

Product Code:

ROTTB3

$15.88 $20.51 -23%

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Emerald Harvest pH Up | 32oz

Product Code:

EMH470001

$15.80 $25.50 -38%

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Emerald Harvest pH Down | 32oz

Product Code:

EMH480001

$15.80 $25.50 -38%

+ −

Remo Micro, 1 L

Product Code:

RN71310

$15.80 $22.99 -31%

+ −

Remo Magnifical, 1 L

Product Code:

RN71620

$15.80 $22.99 -31%

+ −

Age Old Grow, 32 oz

Product Code:

AO10032

$15.78 $16.99 -7%

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Nectar for The Gods Demeter's Destiny Liquid Calcium 0-0.5-0 | 32oz

Product Code:

NFGDDQ

$15.75 $21.99 -28%

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Nectar for The Gods Hades Down 0-1-0 | 32oz

Product Code:

NFGHDQ

$15.75 $21.99 -28%

+ −

Nectar for The Gods Zeus Juice Growth Enhancer | 32oz

Product Code:

NFGZJQ

$15.75 $21.99 -28%

+ −

Grotek Blossom Blaster Pro Liquid, 1 L

Product Code:

GTBBPRO1L

$15.69 $29.18 -46%

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MICROBE Life Hydroponics Nourish-L Liquid Fertilizer | 16oz - (Case of 12)

Product Code:

ECLPH21231

$15.67 $29.99 -48%

Mad Farmer Mother Of All Bloom, 250g

Product Code:

MFMOAB0250

$15.60 $32.12 -51%

+ −

General Organics CaMg+ Calcium Magnesium Supplement - 32oz

Product Code:

HGC726820

$15.53 $24.49 -37%

+ −

FoxFarm Bush Doctor Boomerang Comeback Formula 2-0.2-0.3 | 16oz

Product Code:

FXF793851

$15.53 $18.99 -18%

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Miracle-Gro Performance Organics Edibles | 2.5lb Jug - OMRI Listed - (Case of 6)

Product Code:

181-30055

$15.38 $23.19 -34%

Botanicare Cal-Mag Plus 2-0-0 | 32oz

Product Code:

HGC00023

$15.36 $24.13 -36%

+ −

HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 1gal - (Case of 4)

Product Code:

HDIIONBOGAL

$15.33 $46.24 -67%

+ −

Soul Sensei Micro, 1 qt

Product Code:

ROS3MQ

$15.31 $19.79 -23%

+ −

Bushdoctor Kangaroots 1 pt

Product Code:

FX14097

$15.31 $20.24 -24%

Down to Earth Solution Grade Calcium 96 | 5lb - OMRI Listed - (Case of 5)

Product Code:

DTE15996

$15.29

FoxFarm Grow Big Hydroponic Fertilizer 3-2-6 | 16oz - Concentrate

Product Code:

FXF793219

$15.23 $21.99 -31%

+ −

FoxFarm Bush Doctor Wholly Mackerel Fertilizer 3-1-0 | 16oz - Concentrate

Product Code:

FXF794308

$15.21 $21.99 -31%

+ −

General Organics BioThrive Bloom 2-4-4 | 32oz

Product Code:

HGC726813

$15.11 $23.63 -36%

+ −

Olivia's Cloning Gel | 4oz - (Case of 24)

Product Code:

OCG4

$15.09 $22.95 -34%

Plant Success Organics Granular, 1 lb

Product Code:

PRPSOGR1

$15.07 $20.99 -28%

+ −

Roots Organics Uprising Foundation, 3 lbs

Product Code:

ROUF3

$15.04 $19.43 -23%

+ −

Roots Organics Uprising Grow, 3 lbs

Product Code:

ROUG3

$15.04 $19.43 -23%

+ −

FoxFarm Cultivation Nation Grow 2-1-6 | 32oz

Product Code:

FXF260186

$15.03 $18.99 -21%

FoxFarm Cultivation Nation Bloom 0-5-4 | 32oz

Product Code:

FXF260261

$15.03 $18.99 -21%

Neptune's Harvest Fish Fertilizer 2-4-1 | 36oz - Concentrate - OMRI Listed - (Case of 12)

Product Code:

NEPHF136

$15.03 $22.59 -33%

Down to Earth Solution Grade Potassium Sulfate 0-0-50 | 5lb - OMRI Listed - (Case of 5)

Product Code:

DTE15950

$15.00 $24.49 -39%

Grotek Blossom Blaster 1-4-0 | 15/box - 20g

Product Code:

GRN770006245

$14.99

+ −

Technaflora B.C. Bloom, 1 L

Product Code:

TFBCBLM1L

$14.99 $23.99 -38%

+ −

Technaflora B.C. Grow, 1 L

Product Code:

TFBCGR1L

$14.99 $23.99 -38%

+ −

Bushdoctor Sledgehammer 1 pt

Product Code:

FX14095

$14.95 $20.15 -26%

Emerald Harvest Cal-Mag | 32oz

Product Code:

EMH450001

$14.84 $23.00 -35%

+ −

Emerald Harvest Cal-Mag, 1 qt

Product Code:

EMHCMQ

$14.84 $23.00 -35%

+ −

Roots Organics HP2 | 32oz

Product Code:

AURROHPQ

$14.73 $17.99 -18%

+ −

Gaia Green Mineralized Phosphate, 2 kg Pouch

Product Code:

GAGMP2KGP

$14.72 $18.99 -22%

+ −

Botanicare Silica Blast 0-0-0.5 - 32oz

Product Code:

HGC730034

$14.68 $23.13 -37%

+ −

Demeter's Destiny, 1 qt

Product Code:

NGDD1001

$14.63 $22.99 -36%

+ −

Hades Down, 1 qt

Product Code:

NGHD1001

$14.63 $22.99 -36%

+ −

FoxFarm Tiger Bloom Liquid Concentrate, 1 pt

Product Code:

FX14093

$14.55 $18.80 -23%

+ −

Down to Earth Liquid All-Purpose 4-1-3 | 32oz - (Case of 10)

Product Code:

DTE13413

$14.54 $22.99 -37%

FoxFarm Bush Doctor Kelp Me Kelp You 0.5-0-0.5 | 16oz - Concentrate - OMRI Listed

Product Code:

FXF794209

$14.49 $19.99 -28%

+ −

FoxFarm Happy Frog Cavern Culture Fertilizer 1-12-0 | 4lb - OMRI Listed - (Case of 12)

Product Code:

FXF500664

$14.42 $19.99 -28%

Mother Earth Power Flower Fantastic Flowering Mix 1-8-6 - 2.4lb

Product Code:

HGC733952

$14.38 $16.88 -15%

+ −

Mother Earth Farmer's Market All Purpose Mix 4-5-4 - 4.4lb

Product Code:

HGC733953

$14.38 $16.88 -15%

+ −

Mother Earth Season's Choice Tomato & Vegetable Mix 4-5-6 - 4.4lb

Product Code:

HGC733954

$14.38 $16.88 -15%

+ −

Mother Earth Acid Drop for Acid -Loving Plants 3-4-6 - 4.4lb

Product Code:

HGC733956

$14.38 $16.88 -15%

+ −

House & Garden Aqua Flakes A, 1 L

Product Code:

HGAFA01L

$14.37 $20.24 -29%

+ −

House & Garden Aqua Flakes B, 1 L

Product Code:

HGAFB01L

$14.37 $20.24 -29%

+ −

House & Garden Soil A, 1 L

Product Code:

HGSOA01L

$14.37 $20.24 -29%

+ −

House & Garden Soil B, 1 L

Product Code:

HGSOB01L

$14.37 $20.24 -29%

+ −

FoxFarm Cultivation Nation Cal-Mag | 32oz

Product Code:

FXF270321

$14.34 $19.99 -28%

Mother Earth Floressence Bloom Supplement 1-1-1 - 32oz

Product Code:

HGC733941

$14.32 $32.53 -56%

+ −

Roots Organics Terp Tea Bloom | 3lb - (Case of 3)

Product Code:

AURROTTB3

$14.28 $16.99 -16%

Roots Organics Terp Tea Grow | 3lb - (Case of 3)

Product Code:

AURROTTG3

$14.28 $16.99 -16%

Down to Earth Liquid Calcium 5% | 32oz - OMRI Listed - (Case of 10)

Product Code:

DTE13050

$14.24 $22.79 -38%

FoxFarm Bush Doctor Wholly Mackerel, 1 pt

Product Code:

FX14113

$14.19 $22.48 -37%

Grotek Vital 5% Calcium | 1L - (Case of 6)

Product Code:

GRN770006570

$14.07 $37.97 -63%

Down to Earth Fish Bone Powder 4-20-0 | 1lb - (Case of 6)

Product Code:

DTE12241

$13.99

Emerald Harvest Micro, 1 qt

Product Code:

EMHMQ

$13.94 $18.00 -23%

+ −

Mad Farmer Cal+Mag, 1 qt

Product Code:

MFCALMAG1QT

$13.93 $21.62 -36%

+ −

General Hydroponics FloraNova Grow 7-4-10 - 16oz

Product Code:

HGC718799

$13.91 $21.86 -36%

+ −

General Hydroponics FloraNova Bloom 4-8-7 - 16oz

Product Code:

HGC718809

$13.91 $21.86 -36%

+ −

Rhizoflora Terpinator 0-0-4 - 32oz

Product Code:

HGC749300

$13.88 $22.27 -38%

+ −

Growth Science Organics Root Magic, 1 qt

Product Code:

GSORMQ

$13.88 $44.99 -69%

+ −

Cultivation Nation Bloom 1 qt

Product Code:

FX14920

$13.88 $18.79 -26%

Remo Bloom, 1 L

Product Code:

RN71110

$13.87 $20.99 -34%

+ −

Down to Earth Langbeinite 0-0-22 | 5lb - OMRI Listed - (Case of 6)

Product Code:

DTE07852

$13.78 $19.59 -30%

+ −

Grotek Rype 3-0-0 | 1L - (Case of 6)

Product Code:

GRN770006612

$13.76 $37.15 -63%

MICROBE Life Hydroponics Vegetable & Fruit Yield Enhancer | 16oz - (Case of 12)

Product Code:

ECLPH21345

$13.75 $26.99 -49%

MICROBE Life Hydroponics Foliar Spray & Root Dip | 16oz - (Case of 12)

Product Code:

ECLPH21348

$13.75 $26.99 -49%

General Hydroponics MaxiBloom 5-15-14 - 2.2lb

Product Code:

HGC718281

$13.65 $21.51 -37%

+ −

General Hydroponics MaxiGro 10-5-14 - 2.2lb

Product Code:

HGC718301

$13.65 $21.51 -37%

+ −

Coast of Maine Quoddy Blend Organic Lobster Compost | 1cu ft - OMRI Listed - (Case of 5)

Product Code:

CMEQD1000

$13.62 $23.99 -43%

+ −

FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 16oz - Concentrate

Product Code:

FXF793226

$13.61 $16.99 -20%

+ −

HDI MotherPlant Nutrients Part A | 32oz

Product Code:

HDIMOTHERAQT

$13.61 $17.78 -23%

HDI MotherPlant Nutrients Part B | 32oz

Product Code:

HDIMOTHERBQT

$13.61 $17.78 -23%

FoxFarm Grow Big Fertilizer 6-4-4 | 16oz - Concentrate

Product Code:

FXF793202

$13.58 $18.99 -28%

+ −

Great White Premium Mycorrhizae, 1 oz

Product Code:

PRPSGW01

$13.54 $15.99 -15%

+ −

BushDoctor Kelp Me Kelp You Pt (12/cs)

Product Code:

FX14110

$13.51 $20.90 -35%

Down to Earth Alfalfa Meal 2.5-0.5-2.5 | 4lb - OMRI Listed

Product Code:

DTE07885

$13.49

+ −

Bushdoctor Bembe Pt

Product Code:

FX14106

$13.48 $19.60 -31%

Cultivation Nation Cal-Mag Quart

Product Code:

FX17210

$13.47 $20.10 -33%