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Nutrients & Supplements

Soil Amendments
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128
Mad Farmer Mother Of All Bloom 500g
In Stock: 334
$27.47 $53.54 -49%
Grow More Bio-Cozyme, 1 gal
In Stock: 121
$27.46 $39.99 -31%
CYCO 5L Bloom B (2/CS) - (Case of 2)
In Stock: 10
$27.32 $36.81 -26%
CYCO Bloom A 5 L (2/CS) - (Case of 2)
In Stock: 48
$27.32 $36.81 -26%
CYCO 5L Grow B (2/CS) - (Case of 2)
In Stock: 10
$27.32 $36.81 -26%
CYCO 5L Grow A (2/CS) - (Case of 2)
In Stock: 11
$27.32 $36.81 -26%
Mad Farmer Get Down, 2.5 gal, case of 2
In Stock: 12
$27.28 $146.99 -81%
Xtreme Azos Beneficial Bacteria, 6 oz (170 g)
In Stock: 145
$27.24 $40.99 -34%
Grotek Bud Fuel Pro, 1 L
In Stock: 1217
$27.20 $36.26 -25%
Microbe Life Plus-C, 1 qt (CA)
In Stock: 129
$27.18 $32.99 -18%
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 32oz - Concentrate
In Stock: 934
$27.12 $30.99 -12%
Cutting Edge Solutions Uncle John's Blend, 1 qt
In Stock: 80
$27.12 $34.99 -22%
FoxFarm Grow Big Fertilizer 6-4-4 | 32oz - Concentrate
In Stock: 1440
$27.11 $30.99 -13%
DaKine 420 Nitro Nutrients Bloom | 2,000g - (Case of 4)
In Stock: 4
$27.04 $108.99 -75%
DaKine 420 Nitro Nutrients Grow | 2,000g - (Case of 4)
In Stock: 10
$27.04 $108.99 -75%
Growth Science Organics Grow, 6 gal
In Stock: 3
$27.00 $399.99 -93%
Sustane 8-2-4 Lawn & Landscape Plant Food | 20lb - OMRI Listed
In Stock: 74
$26.95 $37.71 -29%
Down to Earth Oyster Shell | 50lb - OMRI Listed
Out of stock
$26.82 $35.99 -25%
Xtreme Mykos Pure Mycorrhizal Inoculum, Granular, 2.2 lbs
In Stock: 171
$26.73 $39.99 -33%
Roots Organics Oregonism XL, 8 oz
In Stock: 148
$26.46 $35.63 -26%
PureCrop 16 oz
In Stock: 14
$26.32 $32.00 -18%
General Hydroponics FloraNova Grow 7-4-10 - 32oz
In Stock: 854
$26.00 $36.39 -29%
General Hydroponics FloraNova Bloom 4-8-7 - 32oz
In Stock: 1107
$26.00 $36.39 -29%
Bloom Khaos, 5 gal
In Stock: 1
$25.81 $382.49 -93%
Rhizoflora Purpinator 0-2-4 - 32oz
In Stock: 81
$25.63
Great White Granular 1, 2.2lbs
In Stock: 75
$25.58 $33.99 -25%
Plant Success King Crab, 4 oz
In Stock: 53
$25.52 $27.99 -9%
Grow More Mendocino Honey, 1 gal
In Stock: 243
$25.50 $33.99 -25%
Grotek Cal-Max, 1 gal
In Stock: 922
$25.50 $45.33 -44%
FoxFarm Soluble 1 lb Trio Pack
In Stock: 125
$25.45 $164.90 -85%
Grotek Cal Max 2-0-0 | 4L - (Case of 4)
In Stock: 54
$25.43 $47.59 -47%
Roots Organics Trinity | 32oz
In Stock: 31
$25.39 $25.99 -2%
Gaia Green Greensand, 1.25 kg Pouch
In Stock: 147
$25.37 $26.49 -4%
Roots Organics Trinity, 1 qt
In Stock: 361
$25.30 $34.00 -26%
Emerald Harvest Grow | 1gal - (Case of 4)
In Stock: 15
$25.16 $35.00 -28%
Grotek Blossom Blaster 1-4-0 | 130g
In Stock: 336
$25.03 $74.29 -66%
Mega Morpheus, 5 gal
In Stock: 1
$24.93 $184.99 -87%
General Hydroponics FloraPro Grow 10-12-22 - 5lb
In Stock: 80
$24.79 $40.25 -38%
General Hydroponics FloraPro Bloom 7-12-27 - 5lb
In Stock: 60
$24.79 $40.25 -38%
Xtreme Mykos Pure Mycorrhizal Inoculum, Wettable Powder, 12 oz
In Stock: 328
$24.73 $34.99 -29%
Microbe Life Photosynthesis Plus, 1 qt
In Stock: 195
$24.69 $32.99 -25%
Microbe Life Photosynthesis Plus-O, 1 qt (OR)
In Stock: 17
$24.69 $32.99 -25%
Soul Sensei Micro, 5 gal
In Stock: 3
$24.65 $182.59 -86%
House & Garden Top Booster, 1 L
In Stock: 301
$24.58 $36.41 -32%
DaKine 420 Bio Minerals | 2,000g - (Case of 4)
In Stock: 16
$24.56 $98.99 -75%
DaKine 420 CalMag | 2,000g - (Case of 4)
In Stock: 4
$24.56 $98.99 -75%
DaKine 420 Sticky Icky Enzymes | 500g - (Case of 4)
In Stock: 28
$24.56 $98.99 -75%
Emerald Harvest Bloom | 1gal - (Case of 4)
In Stock: 14
$24.33 $35.00 -30%
FoxFarm Cultivation Nation pH UP, 1 pt, case of 12
In Stock: 345
$24.23 $179.52 -87%
Down to Earth Kelp Meal 1-0.1-2 | 4lb - OMRI Listed
In Stock: 1068
$24.04 $33.99 -29%
Down to Earth Liquid Bloom 2-6-5 | 32oz - (Case of 10)
In Stock: 100
$23.99
MICROBE Life Hydroponics Vegetable & Fruit Yield Enhancer | 32oz - (Case of 12)
In Stock: 102
$23.99 $43.99 -45%
Xtreme Gardening Mykos Root Paks | 50ct - (Case of 6)
In Stock: 72
$23.87 $26.58 -10%
HYGROZYME Horticultural Horticulture Enzyme Formula | 500mL (16.9oz)
In Stock: 22
$23.87 $24.43 -2%
Neptune's Harvest Kelp Meal Multi-Purpose Plant Food 1-0-2 | 4lb - OMRI Listed - (Case of 6)
In Stock: 42
$23.81 $29.99 -21%
HDI Europonic FossilFuel Liquid Humic Acids | 1gal - (Case of 4)
Out of stock
$23.76 $54.99 -57%
Emerald Harvest Bloom, 1 gal
In Stock: 63
$23.62 $35.00 -33%
Emerald Harvest Grow, 1 gal
In Stock: 25
$23.62 $35.00 -33%
Growth Science Organics Root Magic, 2.5 gal
In Stock: 8
$23.62 $349.99 -93%
Aphrodite's Extraction, 2.5 gal
In Stock: 5
$23.52 $139.49 -83%
Xtreme Gardening Mykos WP | 12oz - Wettable Powder - (Case of 12)
In Stock: 93
$23.42 $27.07 -13%
House & Garden Magic Green -- 250mL
Out of stock
$23.40 $34.64 -32%
BioAG Ful-Humix | 300g - (Case of 12)
In Stock: 60
$23.29 $28.71 -19%
BioAG TM-7 | 300g - (Case of 12)
In Stock: 36
$23.29 $28.71 -19%
Grotek Vitamax Pro, 1 L
In Stock: 1043
$23.26 $31.02 -25%
CYCO Commercial Series Bloom 8-6-11 - 750g
In Stock: 79
$23.22 $66.11 -65%
MICROBE Life Hydroponics Photosynthesis Plus | 32oz - (Case of 12)
In Stock: 120
$23.17 $42.99 -46%
Humboldt Nutrients Master-B, 2.5 gal
In Stock: 1
$23.08 $170.99 -87%
Roots Organics Trinity, 1 qt
In Stock: 45
$23.00 $34.00 -32%
Gaia Green Power Bloom, 2 kg Pouch
In Stock: 2286
$22.98 $28.59 -20%
FoxFarm Bush Doctor 1-0-0 Cal-Mag Supplement | 32oz - 3% Calcium - 0.9% Magnesium - OMRI Listed - (Case of 12)
In Stock: 456
$22.80 $26.99 -16%
Dyna-Gro Bloom, 1 qt
In Stock: 6
$22.69 $26.49 -14%
Roots Organics Seabird Guano Powder, 9 lbs
In Stock: 20
$22.60 $33.47 -32%
Roots Organics Elemental | 3lb - (Case of 3)
Out of stock
$22.52 $23.99 -6%
HDI Clonex Mist Root Promoter | 300mL - (Case of 6)
In Stock: 53
$22.45 $26.32 -15%
Coast of Maine Squid All Natural Liquid Plant Food 2-3-0, 1 qt
In Stock: 27
$22.40 $24.99 -10%
SugarDaddy, 1 L
In Stock: 162
$22.32 $33.99 -34%
FOOP Garden Organic Plant Fertilizer | 32oz - Concentrate - OMRI Listed - (Case of 12)
Out of stock
$22.28 $24.99 -11%
General Hydroponics FloraKleen - 1gal
In Stock: 95
$22.21 $30.99 -28%
Botanicare Pure Blend Pro Bloom Formula 2-3-5 - 32oz
In Stock: 226
$22.21 $30.99 -28%
HDI Clonex Clone Solution | 32oz
In Stock: 1401
$22.15 $26.68 -17%
Key Grow Solutions Green Dragon 0-0-18 | 1gal - (Case of 4)
In Stock: 160
$22.05 $119.99 -82%
Key Grow Solutions Silver Rabbit 7-20-4 | 1gal - (Case of 4)
In Stock: 44
$22.05 $119.99 -82%
Botanicare Pure Blend Pro Soil 1-4-5 - 32oz
In Stock: 496
$21.78 $30.37 -28%
Botanicare Pure Blend Pro Grow Formula 3-2-4 - 32oz
In Stock: 644
$21.78 $30.37 -28%
Optic Foliar Switch, 1 L
In Stock: 33
$21.74 $32.99 -34%
Vegamatrix Prime Zyme, 5 gal
In Stock: 24
$21.72 $568.99 -96%
Gaia Green Mineralized Phosphate, 20 kg
In Stock: 28
$21.69 $133.99 -84%
Humboldt Nutrients Verde, 1 qt
In Stock: 236
$21.69 $28.99 -25%
General Hydroponics Liquid KoolBloom 0-10-10 - 32oz
In Stock: 342
$21.65 $30.18 -28%
Cutting Edge Solutions Sugaree, 1 qt
In Stock: 223
$21.55 $24.99 -14%
Roots Organics CalMag, 1 qt
In Stock: 202
$21.48 $28.90 -26%
Biobizz CAL-MAG 1L
In Stock: 41
$21.42 $28.86 -26%
FoxFarm Cultivation Nation pH Up Nutrient Solution Adjuster | 32oz - Raises the pH in Nutrient Solution
In Stock: 288
$21.37 $24.99 -14%
FoxFarm Cultivation Nation pH Down Nutrient Solution Adjuster | 32oz - Lowers the pH in Nutrient Solution
In Stock: 420
$21.37 $24.99 -14%
Roots Organics Elemental, 3 lbs
In Stock: 74
$21.26 $28.61 -26%
HEAVY 16 Finish, 32 oz
In Stock: 2850
$21.25 $31.49 -33%
General Hydroponics ARMOR SI 0-0-4 - 32oz - CA Restriction
In Stock: 63
$21.21 $29.80 -29%
General Hydroponics ARMOR SI 0-0-4 | 32oz
In Stock: 317
$21.21 $29.80 -29%
FoxFarm Happy Frog Soil Conditioner | 3cu ft - West Only | (35/PL)
In Stock: 2273
$21.18 $23.99 -12%
FoxFarm Cultivation Nation Micro Fertilizer 5-0-1 | 32oz - Step 2 for 3-Part Feeding Programs
In Stock: 192
$21.11 $24.99 -16%
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 | 6oz Jar
In Stock: 192
$21.10 $23.99 -12%
FoxFarm Bush Doctor Liquid Iron Micro-Nutrient 1-0-0 | 16oz - OMRI Listed - (Case of 12)
In Stock: 43
$21.09 $28.49 -26%
Coast of Maine Kelp Meal Organic Plant Food 1-0-1, 4 lbs
Out of stock
$21.06 $22.99 -8%
Olivia's Cloning Solution | 1gal - (Case of 4)
In Stock: 16
$21.05 $37.95 -45%
Coast of Maine Lobster Meal Organic Plant Food 6-2-0, 4 lbs
In Stock: 8
$21.01
Aptus MINERAL-CALMAG, 1 L
In Stock: 129
$20.97 $29.00 -28%
Roots Organics CalMag | 32oz - (Case of 12)
Out of stock
$20.91 $21.99 -5%
Coast of Maine Stonington Blend Organic Plant Food, 4 lb
Out of stock
$20.87 $26.99 -23%
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 | 6oz Jar
In Stock: 192
$20.86 $24.99 -17%
FoxFarm Bush Doctor Liquid Iron Micro-Nutrient 1-0-0 | 32oz - OMRI Listed - (Case of 12)
In Stock: 47
$20.84 $50.69 -59%
HDI Clonex Rooting Gel | 100mL- Wide Mouth Bottle
In Stock: 1817
$20.70 $24.90 -17%
Dyna-Gro Foliage-Pro, 1 qt
In Stock: 1039
$20.61 $26.49 -22%
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 30lb - OMRI Listed
In Stock: 2138
$20.51 $32.59 -37%
FoxFarm Beastie Bloomz Fertilizer 0-50-30 | 6oz - (Case of 12)
In Stock: 60
$20.45 $23.99 -15%
Dyna-Gro Grow, 1 qt
In Stock: 83
$20.41 $25.48 -20%
Humboldt Nutrients Master-B, 5 gal
In Stock: 3
$20.32 $300.99 -93%
FoxFarm Big Bloom Fertilizer 0-0.5-0.7 | 32oz - Concentrate - OMRI Listed - (Case of 12)
In Stock: 1158
$20.30 $23.99 -15%
SUPERthrive Bloom Plant Nutrients 3-12-6 | 32oz - (Case of 12)
In Stock: 84
$20.29 $29.11 -30%
BioBizz Fish-Mix 1L
Out of stock
$20.25 $27.28 -26%
General Hydroponics FloraNectar FruitnFusion 0-0-1 - 32oz
In Stock: 92
$20.21 $28.33 -29%
Roots Organics Buddha Grow 1qt
In Stock: 124
$20.20 $24.93 -19%
FoxFarm Marine Cuisine Slow-Release Fertilizer 10-7-7 | 4lb - Bag - (Case of 8)
In Stock: 572
$20.14 $23.99 -16%
Soul Sensei Grow, 5 gal
In Stock: 124
$20.13 $149.06 -86%
Cutting Edge Solutions Mag-Amped, 1 gal
Out of stock
$20.07 $103.99 -81%
Roots Organics Surge | 32oz
In Stock: 29
$19.98 $20.99 -5%
Cutting Edge Solutions Bulletproof Si, 1 qt
In Stock: 26
$19.95 $25.99 -23%
Cutting Edge Solutions Cal-Mag Amplified, 1 qt
In Stock: 913
$19.95 $23.99 -17%
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