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Nutrients & Supplements

Soil Amendments
Grow More Mendo Soluble 30-10-10, 25 lbs
In Stock: 78
$60.22 $73.99 -19%
SUPERthrive Pure Neem Oil Organic Leaf Polish | 32oz - (Case of 12)
In Stock: 131
$513.72 / $42.81 per unit
(minimum purchase of 12)
General Organics BioThrive Bloom 2-4-4 | 32oz
In Stock: 308
$17.04 $25.28 -33%
Gaia Green Super Fly, 750 g Pouch
In Stock: 118
$11.80 $14.99 -21%
MICROBE Life Hydroponics Vitamins & Amino Acids | 32oz - (Case of 12)
In Stock: 36
$282.00 / $23.50 per unit
(minimum purchase of 12)
Big Foot Mycorrhizae Gold | 5lb
In Stock: 57
$441.80
Down to Earth Granular Root Zone | 5lb - OMRI Listed - (Case of 5)
Out of stock
$1,440.65 / $288.13 per unit
(minimum purchase of 5)
Aptus Fasilitor, 20 L
In Stock: 20
$4,092.79 $4,190.00 -2%
Rainbow Mix "PRO" Grow 8-6-3, 40 lbs
Out of stock
$13.60 $175.49 -92%
House & Garden Cocos A, 1000 L
In Stock: 2
$3,598.56 $5,292.00 -32%
Grotek Bloom Pack
Out of stock
$113.76 $132.39 -14%
Down to Earth Neem Seed Meal 6-1-2 | 5lb - OMRI Listed - (Case of 6)
In Stock: 36
$70.74 / $11.79 per unit
(minimum purchase of 6)
Big Foot Root Boost Nitrogen-Fixing Azospirillum | 15lb
In Stock: 10
$299.00
Vegamatrix Amp-It, 5 gal
Out of stock
$13.60 $449.99 -97%
Grow More Mendo Soluble 20-20-20, 25 lbs
In Stock: 71
$69.18 $84.99 -19%
SUPERthrive K-L-N Rooting Concentrate | 8oz - (Case of 12)
In Stock: 12
$49.32 / $4.11 per unit
(minimum purchase of 12)
Optic Foliar Watts, 250 ml - (Case of 12)
In Stock: 23
$5.40 / $0.45 per unit
(minimum purchase of 12)
Emerald Harvest Micro, 270 gal
Out of stock
$4,930.20 $5,335.71 -8%
Roots Organics Terp Tea Grow, 40 lb
In Stock: 30
$106.49 $156.59 -32%
Grotek Vitamax Pro 1-1-1 | 500mL - (Case of 6)
Out of stock
$89.16 / $14.86 per unit
(minimum purchase of 6)
Nectar for The Gods Persephone's Palate | 32oz
In Stock: 68
$15.92 $17.99 -12%
Coco-Wet Organic Wetting Agent, 8 oz
In Stock: 83
$10.19 $12.49 -18%
FoxFarm Grow Big Fertilizer 6-4-4 | 16oz - Concentrate
In Stock: 900
$184.44 / $15.37 per unit
(minimum purchase of 12)
Nectar for The Gods Zeus Juice Growth Enhancer | 1gal - (Case of 4)
Out of stock
$247.80 / $61.95 per unit
(minimum purchase of 4)
FoxFarm Bush Doctor 1-0-0 Cal-Mag Supplement | 16oz - 3% Calcium - 0.9% Magnesium - OMRI Listed - (Case of 12)
In Stock: 228
$150.48 / $12.54 per unit
(minimum purchase of 12)
Vegamatrix Amp-It, 1 gal
In Stock: 5
$6.50 $99.99 -93%
Down to Earth Seabird Guano 0-11-0 | 20lb - OMRI Listed
In Stock: 216
$54.81 $99.99 -45%
Down To Earth Cactus Mix 2-4-8 | 5lb - (Case of 6)
In Stock: 416
$107.94 / $17.99 per unit
(minimum purchase of 6)
Aphrodite's Extraction, 5 gal
In Stock: 5
$42.23 $248.49 -83%
Down To Earth Rose & Flower Mix 4-8-4 | 25lb - OMRI Listed
In Stock: 278
$41.60 $53.89 -23%
Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 1 gal
In Stock: 21
$7.29 $53.55 -86%
Grotek Monster Bloom 0-50-30 | 15ct - 0.7oz
Out of stock
$6.76 $7.89 -14%
HDI Clonex Rooting Gel | 250ml - Wide Mouth Bottle
In Stock: 729
$495.36 / $41.28 per unit
(minimum purchase of 12)
Biomin Iron | 2.5gal - OMRI Listed
In Stock: 12
$113.03 $116.46 -3%
Technaflora B.C. Bloom, 20 L
In Stock: 31
$131.38 $179.99 -27%
FoxFarm Open Sesame, 6 oz
In Stock: 349
$4.01 $27.02 -85%
Grotek Blossom Blaster 1-4-0 | 130g
Out of stock
$765.60 / $63.80 per unit
(minimum purchase of 12)
Grotek Final Flush | 4L - Regular - (Case of 4)
Out of stock
$140.96 / $35.24 per unit
(minimum purchase of 4)
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 1gal - The Silicon Solution - (Case of 4)
In Stock: 76
$195.24 / $48.81 per unit
(minimum purchase of 4)
Grotek Bud Fuel Pro, 4 L
In Stock: 881
$69.75 $98.25 -29%
FoxFarm Cultivation Nation Micro Fertilizer 5-0-1 | 16oz - Step 2 for 3-Part Feeding Programs
In Stock: 20
$169.80 / $14.15 per unit
(minimum purchase of 12)
South Cascade Organics SLF-100 | 5gal - OMRI Listed
In Stock: 37
$498.64 $599.99 -17%
General Hydroponics Ripen 0.5-7-6 | 32oz
In Stock: 131
$29.44 $43.29 -32%
Down to Earth Bio-Fish 7-7-2 | 5lb - OMRI Listed - (Case of 6)
In Stock: 967
$85.20 / $14.20 per unit
(minimum purchase of 6)
Down to Earth Feather Meal 12-0-0 | 20lb - OMRI Listed
In Stock: 48
$43.64 $69.99 -38%
FoxFarm Cultivation Nation Grow 2-1-6 | 16oz
In Stock: 132
$131.76 / $10.98 per unit
(minimum purchase of 12)
Technaflora Thrive Alive B1 Red, 500ml
In Stock: 104
$25.57 $39.96 -36%
Grotek Pro-Silicate 0-0-4 | 1L - (Case of 6)
Out of stock
$85.26 / $14.21 per unit
(minimum purchase of 6)
Optic Foliar REV, 60 ml - (Case of 12)
Out of stock
$7.56 / $0.63 per unit
(minimum purchase of 12)
Technaflora B.C. Boost, 20 L
In Stock: 38
$152.10 $223.99 -32%
FoxFarm Grow Big Hydroponic Fertilizer 3-2-6 | 16oz - Concentrate
In Stock: 168
$206.88 / $17.24 per unit
(minimum purchase of 12)
FOOP Mist Organic Foliar Spray | 32oz - Ready-to-Use - OMRI Listed - (Case of 12)
Out of stock
$242.88 / $20.24 per unit
(minimum purchase of 12)
MYKE Vegetable & Herb Growth Enhancer | 1.8oz - OMRI Listed - (Pallet of 36)
In Stock: 117
$334.08 / $9.28 per unit
(minimum purchase of 36)
Aurora Peat Products Procision Advantage, 3.8 cu ft bale
In Stock: 28
$47.91 $58.72 -18%
Down to Earth Bone Meal 3-15-0 | 5lb - OMRI Listed - (Case of 6)
In Stock: 48
$81.42 / $13.57 per unit
(minimum purchase of 6)
HYCLEAN Line & Equipment Cleaner for Irrigation Systems | 500mL(16.9oz) - Non-Toxic
In Stock: 108
$186.24 / $15.52 per unit
(minimum purchase of 12)
Down To Earth Rose & Flower Mix 4-8-4 | 50lb (40/PL)
In Stock: 11
$42.11 $89.39 -53%
FoxFarm Grow Big Hydroponic Fertilizer 3-2-6 | 1gal - Concentrate - (Case of 4)
In Stock: 32
$425.36 / $106.34 per unit
(minimum purchase of 4)
Roots Organics Buddha Bloom, 5 gal
In Stock: 89
$217.10 $318.63 -32%
Down To Earth Acid Mix 4-3-6 | 15lb - 3pk of 5lb
In Stock: 314
$30.44 $39.39 -23%
HDI MotherPlant Nutrients Part B | 1gal - (Case of 4)
In Stock: 24
$69.36 / $17.34 per unit
(minimum purchase of 4)
Emerald Harvest Grow, 1 qt
In Stock: 51
$11.42 $14.00 -18%
Nectar for The Gods Herculean Harvest Liquid Bone Meal 0-6-0 | 2.5gal - (Case of 2)
Out of stock
$140.60 / $70.30 per unit
(minimum purchase of 2)
PureCrop 1 gal
In Stock: 31
$138.60 $145.00 -4%
Nectar for The Gods Gaia Mania Supplement 1-5-1 | 2.5gal - (Case of 2)
In Stock: 12
$187.40 / $93.70 per unit
(minimum purchase of 2)
Biobizz Bio-Grow | 1 L
In Stock: 291
$17.54 $25.80 -32%
Gaia Green Glacial Rock Dust, 2 kg Pouch
In Stock: 377
$10.61 $12.99 -18%
Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1 | 18oz - Concentrate - OMRI Listed - (Case of 12)
In Stock: 948
$158.52 / $13.21 per unit
(minimum purchase of 12)
South Cascade Organics SLF-100 | 1gal - OMRI Listed - (Case of 4)
In Stock: 68
$447.64 / $111.91 per unit
(minimum purchase of 4)
Cutting Edge Solutions Grow, 1 qt
In Stock: 110
$13.07 $15.99 -18%
Optic Foliar Watts, 60 ml - (Case of 12)
In Stock: 60
$3.72 / $0.31 per unit
(minimum purchase of 12)
Down to Earth Blood Meal 12-0-0 | 50lb - OMRI Listed
In Stock: 64
$91.68 $176.99 -48%
Optic Foliar Overgrow, 4 L RTU
In Stock: 43
$59.31 $79.99 -26%
Humboldt Nutrients Master-B, 2.5 gal
In Stock: 1
$23.26 $170.99 -86%
General Hydroponics ARMOR SI 0-0-4 | 55gal
In Stock: 33
$2,010.00 $3,301.84 -39%
Grotek Synergy | 140g
Out of stock
$664.68 / $55.39 per unit
(minimum purchase of 12)
Mega Morpheus, 5 gal
Out of stock
$25.12 $184.99 -86%
Down to Earth Solution Grade Gypsum | 5lb - OMRI Listed - (Case of 5)
Out of stock
$21.85 / $4.37 per unit
(minimum purchase of 5)
FoxFarm Cultivation Nation pH Down Nutrient Solution Adjuster | 16oz - Lowers the pH in Nutrient Solution
In Stock: 168
$140.64 / $11.72 per unit
(minimum purchase of 12)
Roots Organics CalMag, 1 qt
In Stock: 646
$21.64 $28.90 -25%
Down To Earth Island Phosphate 0-11-0 | 5lb - (Case of 6)
Out of stock
$173.94 / $28.99 per unit
(minimum purchase of 6)
True Organic Raised Bed Plant Food | 4lb - OMRI Listed - (Case of 6)
In Stock: 138
$59.88 / $9.98 per unit
(minimum purchase of 6)
Emerald Harvest Kick Starter Kit 3-Part Base
Out of stock
$190.40 $220.00 -13%
Down to Earth Citrus Mix 6-3-3 | 25lb - OMRI Listed
In Stock: 194
$44.64 $57.89 -23%
Roots Organics Ancient Amber, 5 gal
Out of stock
$2.79 $188.99 -99%
Big Foot Root Boost Nitrogen-Fixing Azospirillum | 32oz
In Stock: 81
$54.56
Budswel, 5 gal
In Stock: 546
$202.15 $247.99 -18%
MICROBE Life Hydroponics Nourish-L Liquid Fertilizer | 16oz - (Case of 12)
In Stock: 84
$253.92 / $21.16 per unit
(minimum purchase of 12)
Big Time Enzyme, 2.5 gal
In Stock: 20
$98.72 $120.99 -18%
Roots Organics Uprising Bloom, 3 lbs
In Stock: 847
$13.22 $19.43 -32%
Roots Organics SeaBird Guano | 3lb - Powder - (Case of 3)
Out of stock
$32.13 / $10.71 per unit
(minimum purchase of 3)
Roots Organics Trinity | 32oz
In Stock: 1
$26.12
Down to Earth AZOMITE Granulated | 5lb - OMRI Listed - (Case of 6)
In Stock: 684
$63.18 / $10.53 per unit
(minimum purchase of 6)
HDI MotherPlant Nutrients Part A | 32oz
In Stock: 84
$193.44 / $16.12 per unit
(minimum purchase of 12)
True Organic Tomato & Vegetable Food 4-5-6 | 4.5lb - Shaker Jug - Use Monthly - Covers up to 88sq ft - OMRI Listed - (Case of 6)
In Stock: 66
$49.44 / $8.24 per unit
(minimum purchase of 6)
Armory Beneficial Bacteria Blend | 200oz - OMRI Listed
Out of stock
$1,409.58
Technaflora B.C. Boost, 10 L
In Stock: 17
$86.44 $126.99 -32%
Technaflora B.C. Boost, 1 L
In Stock: 101
$21.50 $28.21 -24%
Technaflora Thrive Alive B1 Red, 1 L
In Stock: 131
$41.48 $59.99 -31%
House & Garden Aqua Flakes A, 1000 L
In Stock: 10
$3,748.50 $5,512.50 -32%
Sustane 8-2-4 Lawn & Landscape Plant Food | 5lb - OMRI Listed - (Case of 8)
Out of stock
$106.88 / $13.36 per unit
(minimum purchase of 8)
Biobizz Root-Juice, 200 L
Out of stock
$5,991.92 $7,343.03 -18%
SUPERthrive, 4 oz
In Stock: 325
$12.58 $15.49 -19%
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 2.5gal - Concentrate - (Case of 2)
In Stock: 16
$430.88 / $215.44 per unit
(minimum purchase of 2)
Grotek Cal Max 2-0-0 | 500mL - (Case of 6)
Out of stock
$57.84 / $9.64 per unit
(minimum purchase of 6)
Grotek Cal Max 2-0-0 | 10L - (Case of 2)
Out of stock
$232.76 / $116.38 per unit
(minimum purchase of 2)
House & Garden Algen Extract, 500 ml
In Stock: 995
$47.27 $63.19 -25%
FoxFarm Cultivation Nation pH Up Nutrient Solution Adjuster | 32oz - Raises the pH in Nutrient Solution
In Stock: 84
$265.92 / $22.16 per unit
(minimum purchase of 12)
BioAG Ful-Power Purified Fulvic Acid | 5gal - OMRI Listed
In Stock: 179
$115.25 $142.65 -19%
Emerald Harvest Cal-Mag, 1 qt
In Stock: 135
$17.20 $23.00 -25%
HDI Clonex Rooting Gel | 100mL- Wide Mouth Bottle
In Stock: 1470
$257.40 / $21.45 per unit
(minimum purchase of 12)
FoxFarm Soluble Fertilizer Trio Pack | 3pk - 1lb each - (Case of 6)
In Stock: 18
$957.42 / $159.57 per unit
(minimum purchase of 6)
Optic Foliar ATAK Concentrate, 1 L
In Stock: 18
$1.90 $42.99 -96%
Emerald Harvest Bloom | 32oz
In Stock: 97
$10.31 $14.00 -26%
Optic Foliar Transport, 60 ml - (Case of 12)
Out of stock
$18.72 / $1.56 per unit
(minimum purchase of 12)
Soul Sensei Micro, 1 qt
In Stock: 1095
$2.69 $19.79 -86%
FoxFarm Cultivation Nation Bloom 0-5-4 | 16oz
In Stock: 80
$131.76 / $10.98 per unit
(minimum purchase of 12)
Aptus Liquid Base, 5 L
In Stock: 30
$317.67 $458.00 -31%
Technaflora B. Seaweed, 4 L
Out of stock
$34.53 $176.36 -80%
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 32oz - Concentrate
In Stock: 1186
$334.80 / $27.90 per unit
(minimum purchase of 12)
Nectar for The Gods Hades Down 0-1-0 | 2.5gal - (Case of 2)
In Stock: 24
$253.02 / $126.51 per unit
(minimum purchase of 2)
Grotek Monster Grow Pro 18-36-1 | 500g - (Case of 6)
Out of stock
$274.50 / $45.75 per unit
(minimum purchase of 6)
SUPERthrive Pure Neem Oil Organic Leaf Polish | 1gal - (Case of 4)
In Stock: 15
$592.56 / $148.14 per unit
(minimum purchase of 4)
Down To Earth Tree & Shrub 4-2-4 | 5lb - (Case of 6)
Out of stock
$78.36 / $13.06 per unit
(minimum purchase of 6)
Great White Premium Mycorrhizae, 1 oz
In Stock: 400
$12.79 $15.99 -20%
Nectar for The Gods Aphrodite's Extraction Carbon 0-1-0 | 1gal - (Case of 4)
Out of stock
$225.00 / $56.25 per unit
(minimum purchase of 4)
Down to Earth Bio-Fish 7-7-2 | 25lb - OMRI Listed
In Stock: 237
$47.70 $61.79 -23%
Roots Organics Terp Tea Bloom | 3lb - (Case of 3)
Out of stock
$48.84 / $16.28 per unit
(minimum purchase of 3)
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