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Nutrients & Supplements

Soil Amendments
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64
Big Foot Root Boost Nitrogen-Fixing Azospirillum | 10oz
In Stock: 121
$27.50
Optic Foliar Transport, 250 ml
In Stock: 51
$27.50 $39.99 -31%
Botanicare Liquid Karma 0.1-0.1-0.5 - 32oz
In Stock: 407
$27.47 $38.26 -28%
Mad Farmer Mother Of All Bloom 500g
In Stock: 262
$27.47 $53.54 -49%
CYCO 5L Bloom B (2/CS) - (Case of 2)
In Stock: 8
$27.32 $36.81 -26%
CYCO Bloom A 5 L (2/CS) - (Case of 2)
In Stock: 46
$27.32 $36.81 -26%
CYCO 5L Grow B (2/CS) - (Case of 2)
In Stock: 8
$27.32 $36.81 -26%
CYCO 5L Grow A (2/CS) - (Case of 2)
In Stock: 7
$27.32 $36.81 -26%
Mad Farmer Get Down, 2.5 gal, case of 2
In Stock: 12
$27.28 $146.99 -81%
Grotek Bud Fuel Pro, 1 L
In Stock: 1217
$27.20 $36.26 -25%
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 32oz - Concentrate
In Stock: 180
$27.12 $30.99 -12%
Cutting Edge Solutions Uncle John's Blend, 1 qt
In Stock: 78
$27.12 $34.99 -22%
FoxFarm Grow Big Fertilizer 6-4-4 | 32oz - Concentrate
In Stock: 1212
$27.11 $30.99 -13%
DaKine 420 Nitro Nutrients Bloom | 2,000g - (Case of 4)
Out of stock
$27.04 $108.99 -75%
DaKine 420 Nitro Nutrients Grow | 2,000g - (Case of 4)
In Stock: 4
$27.04 $108.99 -75%
House & Garden Top Booster, 1 L
In Stock: 299
$27.03 $36.41 -26%
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: 165
$26.73 $39.99 -33%
Roots Organics Oregonism XL, 8 oz
In Stock: 136
$26.46 $35.63 -26%
General Hydroponics FloraNova Grow 7-4-10 - 32oz
In Stock: 1055
$26.00 $36.39 -29%
General Hydroponics FloraNova Bloom 4-8-7 - 32oz
In Stock: 1661
$26.00 $36.39 -29%
Bloom Khaos, 5 gal
In Stock: 1
$25.81 $382.49 -93%
House & Garden Magic Green -- 250mL
Out of stock
$25.73 $34.64 -26%
Rhizoflora Purpinator 0-2-4 - 32oz
In Stock: 44
$25.63
Great White Granular 1, 2.2lbs
In Stock: 74
$25.58 $33.99 -25%
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
Out of stock
$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: 141
$25.37 $26.49 -4%
House & Garden Amino Treatment, 100 ml
In Stock: 571
$25.30 $37.49 -33%
Roots Organics Trinity, 1 qt
In Stock: 44
$25.30 $34.00 -26%
Roots Organics Trinity, 1 qt
In Stock: 337
$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%
Roots Organics Seabird Guano Powder, 9 lbs
In Stock: 20
$24.85 $33.47 -26%
General Hydroponics FloraPro Grow 10-12-22 - 5lb
In Stock: 73
$24.79 $40.25 -38%
General Hydroponics FloraPro Bloom 7-12-27 - 5lb
In Stock: 69
$24.79 $40.25 -38%
Xtreme Mykos Pure Mycorrhizal Inoculum, Wettable Powder, 12 oz
In Stock: 326
$24.73 $34.99 -29%
Microbe Life Photosynthesis Plus, 1 qt
In Stock: 187
$24.69 $32.99 -25%
Microbe Life Plus-C, 1 qt (CA)
In Stock: 129
$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: 2
$24.65 $182.59 -86%
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)
Out of stock
$24.56 $98.99 -75%
DaKine 420 Sticky Icky Enzymes | 500g - (Case of 4)
In Stock: 26
$24.56 $98.99 -75%
Emerald Harvest Bloom | 1gal - (Case of 4)
In Stock: 26
$24.33 $35.00 -30%
Coast of Maine Squid All Natural Liquid Plant Food 2-3-0, 1 qt
In Stock: 27
$24.26 $24.99 -3%
FoxFarm Cultivation Nation pH UP, 1 pt, case of 12
In Stock: 341
$24.23 $179.52 -87%
Down to Earth Kelp Meal 1-0.1-2 | 4lb - OMRI Listed
In Stock: 1002
$24.04 $33.99 -29%
Down to Earth Liquid Bloom 2-6-5 | 32oz - (Case of 10)
In Stock: 80
$23.99
MICROBE Life Hydroponics Vegetable & Fruit Yield Enhancer | 32oz - (Case of 12)
In Stock: 48
$23.99 $43.99 -45%
Optic Foliar Switch, 1 L
In Stock: 21
$23.91 $32.99 -28%
Xtreme Gardening Mykos Root Paks | 50ct - (Case of 6)
In Stock: 6
$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: 55
$23.62 $35.00 -33%
Emerald Harvest Grow, 1 gal
In Stock: 21
$23.62 $35.00 -33%
Growth Science Organics Root Magic, 2.5 gal
In Stock: 8
$23.62 $349.99 -93%
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