Nutrients & Supplements

Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 1 gal

Product Code:

MFNUTS1G

$7.29 $53.55 -86%

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DaKine 420 Nitro Nutrients Base | 500g - (Case of 4)

Product Code:

DAKBASE500

$7.25 $28.99 -75%

DaKine 420 Nitro Nutrients Bloom | 500g - (Case of 4)

Product Code:

DAKBLM500

$7.25 $28.99 -75%

DaKine 420 Bio Minerals | 500g - (Case of 4)

Product Code:

DAKBM500

$7.25 $28.99 -75%

DaKine 420 CalMag | 500g - (Case of 4)

Product Code:

DAKCM500

$7.25 $28.99 -75%

DaKine 420 Sticky Icky Enzymes | 100g - (Case of 20)

Product Code:

DAKENZ100

$7.25 $28.99 -75%

DaKine 420 Nitro Nutrients Grow | 500g - (Case of 4)

Product Code:

DAKGROW500

$7.25 $28.99 -75%

Humboldt Nutrients Mayan Microzyme, 1 qt

Product Code:

HNMM405

$7.21 $105.99 -93%

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Plant Success Organics Granular 3-1-2 | 4oz - Granules - (Case of 12)

Product Code:

PLSFGPSOGRAN4OZ

$7.19 $8.65 -17%

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HDI Ionic Bloom for Soil Premium Plant Nutrient 2-2-5 | 32oz

Product Code:

HDIIONSOBLQT

$7.18 $21.34 -66%

Grotek Heavy Bud Pro 1-0-3 | 500mL - (Case of 6)

Product Code:

GRN770006207

$7.13 $20.99 -66%

Down to Earth Langbeinite 0-0-22 | 1lb - OMRI Listed - (Case of 6)

Product Code:

DTE19022

$7.06 $10.29 -31%

Down to Earth Potassium Sulfate 0-0-50 | 1lb - OMRI Listed - (Case of 6)

Product Code:

DTE19050

$7.06 $10.29 -31%

Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 4.5lb - OMRI Listed - (Case of 12)

Product Code:

UII602

$7.06 $11.29 -37%

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Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 4.5lb - OMRI Listed - (Case of 10)

Product Code:

UII60210

$7.06 $11.29 -37%

Olivia's Cloning Solution | 32oz (1qt) - (Case of 24)

Product Code:

OCGOCS1

$7.03 $13.95 -50%

Down to Earth Calcium 96 | 1lb - OMRI Listed - (Case of 6)

Product Code:

DTE19096

$6.99

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

Product Code:

DTE15921

$6.92 $15.49 -55%

Grotek Biofuse | 100g - (Case of 12)

Product Code:

GRN770006899

$6.72 $19.79 -66%

FoxFarm Bush Doctor Kangaroots, 1 qt

Product Code:

FX14070

$6.69 $36.12 -81%

Key Grow Solutions Green Dragon 0-0-18 | 32oz - (Case of 14)

Product Code:

KEYF000968

$6.66 $39.99 -83%

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Key Grow Solutions Silver Rabbit 7-20-4 | 32oz - (Case of 14)

Product Code:

KEYF000980

$6.66 $39.99 -83%

Growth Science Organics Grow, 1 gal

Product Code:

GSOOGG

$6.64 $74.99 -91%

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Herculean Harvest, 1 qt

Product Code:

NGHH1001

$6.61 $14.49 -54%

True Organic Bone Meal 7-7-0 | 3lb - Resealable Bag - Spring & Fall Application - Covers up to 61sq ft. - OMRI Listed - (Case of 6)

Product Code:

TRUR0007

$6.56 $7.99 -18%

Grotek Vitamax Pro 1-1-1 | 500mL - (Case of 6)

Product Code:

GRN770006235

$6.51 $14.59 -55%

Vegamatrix Amp-It, 1 gal

Product Code:

VX10020

$6.50 $99.99 -93%

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FoxFarm Bush Doctor Boomerang, 1 qt

Product Code:

FX14086

$6.46 $34.83 -81%

FoxFarm Bush Doctor Sledge Hammer, 1 qt

Product Code:

FX14066

$6.36 $34.28 -81%

Remo AstroFlower, 1 L

Product Code:

RN71420

$6.28 $36.99 -83%

Soul Sensei Bloom, 2.5 gal

Product Code:

ROS3B2.5G

$6.28 $92.39 -93%

Soul Sensei Grow, 2.5 gal

Product Code:

ROS3G2.5G

$6.28 $92.39 -93%

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Soul Sensei Micro, 1 gal

Product Code:

ROS3MG

$6.28 $46.19 -86%

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True Organic Liquid All-Purpose Plant Food | 16oz - OMRI Listed - (Case of 6)

Product Code:

TRUR0017

$6.19 $8.99 -31%

True Organic Liquid Tomato & Vegetable Food 3-2-3 | 16oz - Concentrate - Use Every Two Weeks - Covers up to 30sq ft - OMRI Listed - (Case of 6)

Product Code:

TRUR0018

$6.19 $8.99 -31%

True Organic Liquid Bloom Boost | 16oz - OMRI Listed - (Case of 6)

Product Code:

TRUR0020

$6.19 $8.99 -31%

House & Garden Hydro A, 20 L

Product Code:

HGHYA20L

$6.16 $123.99 -95%

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Grotek Blossom Blaster Pro 1-4-0 | 500mL - (Case of 6)

Product Code:

GRN770006187

$6.12 $17.99 -66%

Grotek Cal Max 2-0-0 | 500mL - (Case of 6)

Product Code:

GRN770006255

$6.04 $11.29 -47%

Down to Earth Shrimp Meal 6-6-0 | 2lb - OMRI Listed - (Case of 6)

Product Code:

DTE07838

$5.94 $11.99 -50%

Rock Fusion Grow Base Nutrient, 1 L

Product Code:

GGFGN1L

$5.86 $39.99 -85%

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Crystal Burst, 1 qt

Product Code:

ETBURSTQ

$5.81 $29.99 -81%

HDI Clonex Rooting Gel | 15ml - Single-Use Packet - (Case of 18)

Product Code:

HDICLOGELPK

$5.54 $6.61 -16%

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Grotek Vitamax Plus, 1 L

Product Code:

GTVMP6010

$5.54 $24.99 -78%

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Down to Earth Kelp Meal 1-0.1-2 | 0.5lb - OMRI Listed

Product Code:

DTE17813

$5.49 $6.99 -21%

Down to Earth Gypsum | 1lb - OMRI Listed - (Case of 6)

Product Code:

DTE19021

$5.47 $6.99 -22%

Soul Sensei Bloom, 1 gal

Product Code:

ROS3BG

$5.47 $40.16 -86%

Soul Sensei Grow, 1 gal

Product Code:

ROS3GG

$5.47 $40.16 -86%

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Aptus Massboost, 250 ml

Product Code:

AP16005

$5.39 $52.72 -90%

DaKine 420 Atomic Root Powder | 100g - (Case of 20)

Product Code:

DAKARP100

$5.37 $21.49 -75%

DaKine 420 Shock & Awe Bloom Booster | 200g - (Case of 20)

Product Code:

DAKSA200

$5.37 $21.49 -75%

Great White Granular 1 Mycorrhizal | 4oz - OMRI Listed - (Case of 24)

Product Code:

PLSFGGRWH14OZ

$5.34 $6.16 -13%

FoxFarm Bush Doctor Cal-Mag, 1 qt

Product Code:

FX17020

$5.11 $27.56 -81%

Grotek Final Flush | 1L - Regular - (Case of 6)

Product Code:

GRN60100750

$5.02 $16.49 -70%

Key Grow Solutions Red Royal 2-0-7 | 32oz - (Case of 14)

Product Code:

KEYF000976

$5.00 $29.99 -83%

Key Grow Solutions White Royal 4-10-5 | 32oz - (Case of 14)

Product Code:

KEYF000984

$5.00 $27.99 -82%

Down To Earth Mini Cactus Mix 2-4-8 | 1lb - (Case of 12)

Product Code:

DTE17878

$4.99

Grotek Cal Max 2-0-0 | 1L - (Case of 6)

Product Code:

GRN20105306

$4.98 $14.69 -66%

Grotek Vitamax Plus 1-1-2 | 500mL - (Case of 6)

Product Code:

GRN770006304

$4.96 $14.59 -66%

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

Product Code:

GRN110100729

$4.81 $14.29 -66%

Grotek Insta-Green 3-0-0 | 500mL - (Case of 6)

Product Code:

GRN770006265

$4.81 $10.59 -55%

Humboldt Nutrients Mayan Microzyme, 8 oz

Product Code:

HNMM408

$4.76 $34.99 -86%

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Mad Farmer Be One, 1 qt

Product Code:

MFBEONE1QT

$4.73 $31.49 -85%

Grotek Monster Grow Pro 18-36-1 | 130g

Product Code:

GRN770006218

$4.71 $13.79 -66%

Aptus Breakout Powder, (5-Pack)

Product Code:

AP46005

$4.66 $72.19 -94%

Grow More Mendocino Avalanche, 1 qt

Product Code:

GR17509

$4.66 $27.43 -83%

Grotek Gro-Silic, 4 L

Product Code:

GTGS4L

$4.57 $232.99 -98%

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Key Grow Solutions Blue Butterfly 6-4-5 | 32oz - (Case of 14)

Product Code:

KEYF000964

$4.45 $22.99 -81%

DaKine 420 Nitro Nutrients Base | 200g - (Case of 20)

Product Code:

DAKBASE200

$4.38 $17.49 -75%

DaKine 420 Nitro Nutrients Grow | 200g - (Case of 20)

Product Code:

DAKGROW200

$4.38 $17.49 -75%

FoxFarm Open Sesame, 1 lb

Product Code:

FX14026

$4.27 $57.10 -93%

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Rock Fusion Bloom Base Nutrient, 1 L

Product Code:

GGFBN1L

$4.27 $39.99 -89%

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Roots Organics Buddha Bloom, 1 qt

Product Code:

ROBBQ

$4.24 $24.93 -83%

Remo Magnifical, 1 L

Product Code:

RN71620

$4.16 $22.99 -82%

Remo Grow, 20 L

Product Code:

RN71240

$4.12 $197.99 -98%

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Down to Earth All-Purpose Mix 4-6-2 | 1lb - OMRI Listed - (Case of 12)

Product Code:

DTE17801

$4.01 $6.29 -36%

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Down To Earth Rose & Flower Mix 4-8-4 | 1lb - (Case of 12)

Product Code:

DTE17802

$4.01 $6.29 -36%

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Down to Earth Acid Mix 4-3-6 | 1lb - For Acid Soil Loving Plants - (Case of 12)

Product Code:

DTE17803

$4.01 $6.29 -36%

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Down to Earth Starter Mix 3-3-3 | 1lb - OMRI Listed - (Case of 12)

Product Code:

DTE17836

$4.01 $6.29 -36%

Down to Earth Vegetable Garden 4-4-4 | 1lb - OMRI Listed - (Case of 12)

Product Code:

DTE17854

$4.01 $6.29 -36%

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Down to Earth Citrus Mix 6-3-3 | 1lb - OMRI Listed - (Case of 12)

Product Code:

DTE17863

$4.01 $6.29 -36%

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FoxFarm Open Sesame, 6 oz

Product Code:

FX14104

$4.01 $27.02 -85%

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BioAG Ful-Humix | 100g - OMRI Listed - (Case of 24)

Product Code:

BAGBA72001

$3.86 $12.30 -69%

Hades Down, 1 qt

Product Code:

NGHD1001

$3.86 $22.99 -83%

Zeus Juice, 1 qt

Product Code:

NGZJ1001

$3.86 $22.99 -83%

Down to Earth Blood Meal 12-0-0 | 0.5lb - OMRI Listed - (Case of 12)

Product Code:

DTE17807

$3.81 $5.99 -36%

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Down to Earth Bat Guano 7-3-1 | 0.25lb - OMRI Listed - (Case of 12)

Product Code:

DTE17887

$3.81 $5.99 -36%

Down to Earth Fish Bone Meal 4-12-0 | 1lb - OMRI Listed - (Case of 12)

Product Code:

DTE17872

$3.78 $5.99 -37%

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DaKine 420 Foliar Science | 250g - (Case of 4)

Product Code:

DAKFOS250

$3.75 $14.99 -75%

Remo Nature's Candy, 1 L

Product Code:

RN71520

$3.74 $26.99 -86%

Elite Resin D, 32 oz - A Hydrofarm Exclusive!

Product Code:

EN41004

$3.70 $72.59 -95%

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

Product Code:

DTE17805

$3.69

Growth Science Organics Root Magic, 1 qt

Product Code:

GSORMQ

$3.66 $44.99 -92%

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Remo Grow, 1 L

Product Code:

RN71210

$3.66 $20.99 -83%

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Primordial Solutions Rootamentary, 16 oz

Product Code:

PRIRM16

$3.41 $45.99 -93%

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Key Grow Solutions Purple Cat 3-0-0 | 32oz - (Case of 14)

Product Code:

KEYF000972

$3.33 $17.99 -81%

Remo Micro, 1 L

Product Code:

RN71310

$3.33 $22.99 -86%

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Optic Foliar REV, 500 ml - (Case of 12)

Product Code:

OFRV500

$3.28 $71.99 -95%

Optic Foliar Watts, 500 ml - (Case of 12)

Product Code:

OFWT500

$3.28 $71.99 -95%

Down to Earth AZOMITE Slow Release Powder | 1lb - OMRI Listed - (Case of 12)

Product Code:

DTE17804

$3.14 $4.39 -28%

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Plant Success Organics Soluble 0.5-0.1-7 | 0.5oz

Product Code:

PLSFGPSOSOL05

$3.10 $3.69 -16%

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Plant Success Organics Granular 3-1-2 | 1oz - Granules - (Case of 10)

Product Code:

PLSFGPSOGRAN1OZ

$3.03 $3.63 -17%

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Medusa's Magic, 1 qt

Product Code:

NGMM1001

$2.94 $17.49 -83%

Pegasus Potion, 1 qt

Product Code:

NGPP1001

$2.94 $17.49 -83%

Grotek Final Flush Blueberry, 1 L

Product Code:

GTFFB1L

$2.87 $15.19 -81%

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Roots Organics Ancient Amber, 5 gal

Product Code:

ROAA5G

$2.79 $188.99 -99%

+ −

Soul Sensei Micro, 1 qt

Product Code:

ROS3MQ

$2.69 $19.79 -86%

+ −

Grotek Monster Grow Pro 18-36-1 | 20g

Product Code:

GRN770006217

$2.68 $7.89 -66%

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Grotek Monster Bloom 0-50-30 | 15ct - 0.7oz

Product Code:

GRN770006276

$2.68 $7.89 -66%

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Down to Earth Oyster Shell | 1lb - OMRI Listed - (Case of 12)

Product Code:

DTE17814

$2.56 $3.69 -31%

Down to Earth Granular Humic Acids | 1lb - OMRI Listed - (Case of 12)

Product Code:

DTE17827

$2.56 $3.69 -31%

Growth Science Nutrients Rock Solid, 1 qt

Product Code:

GSCRSQ

$2.56 $24.99 -90%

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Grotek Gro-Silic, 250 ml

Product Code:

GTGS250ML

$2.56 $32.99 -92%

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Growth Science Organics Grow, 2.5 gal

Product Code:

GSOOG2.5G

$2.50 $174.99 -99%

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FoxFarm Cultivation Nation Micro, 1 pt

Product Code:

FX14810

$2.38 $17.50 -86%

FoxFarm Bush Doctor Cal-Mag, 1 pt

Product Code:

FX17010

$2.37 $17.38 -86%

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Mad Farmer Mother Of All Bloom, 100g

Product Code:

MFMOAB0100

$2.37 $16.05 -85%

Growth Science Nutrients Base A, 1 qt

Product Code:

GSCBAQ

$2.30 $17.99 -87%

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Aptus Massboost, 100 ml

Product Code:

AP16002

$2.20 $26.50 -92%

Olympus Up, 1 qt

Product Code:

NGOU1001

$2.20 $16.49 -87%

Optic Foliar ATAK Concentrate, 250 ml

Product Code:

OFAC250

$2.09 $18.99 -89%

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Soul Sensei Bloom, 1 qt

Product Code:

ROS3BQ

$2.09 $15.39 -86%

+ −

Grotek Blossom Blaster, 20 g

Product Code:

GTBB20

$1.96 $12.99 -85%

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Growth Science Organics Abundant-Sea, 1 qt

Product Code:

GSOASQ

$1.90 $39.99 -95%

Optic Foliar ATAK Concentrate, 1 L

Product Code:

OFAC01L

$1.90 $42.99 -96%

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Optic Foliar ATAK Concentrate, 4 L

Product Code:

OFAC04L

$1.88 $94.99 -98%

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House & Garden Multi Zen, 500 ml

Product Code:

HGMZN005

$1.85 $27.29 -93%

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Optic Foliar Transport, 60 ml - (Case of 12)

Product Code:

OFTP060

$1.56 $12.99 -88%