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Nutrients & Supplements

Soil Amendments
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128
MICROBE Life Hydroponics Nourish-L Liquid Fertilizer | 16oz - (Case of 12)
Out of stock
$16.76 $31.99 -48%
DaKine 420 Shock & Awe Bloom Booster | 1,000g - (Case of 4)
In Stock: 8
$16.74 $68.99 -76%
House & Garden Hydro A, 20 L
In Stock: 1
$16.74 $123.99 -86%
Green Gro Ultrafine Mycorrhizae All-in-One, 4 oz
Out of stock
$16.62 $20.99 -21%
Rock Fusion Bloom Base Nutrient, 1 L
In Stock: 84
$16.55 $39.99 -59%
General Organics BioThrive Bloom 2-4-4 | 32oz
In Stock: 232
$16.54 $23.63 -30%
Roots Organics Ancient Amber, 1 qt
In Stock: 348
$16.46 $24.93 -34%
Roots Organics Buddha Bloom 1qt
In Stock: 97
$16.46 $24.93 -34%
Nectar for The Gods Demeter's Destiny Liquid Calcium 0-0.5-0 | 32oz
In Stock: 32
$16.42 $21.99 -25%
Nectar for The Gods Hades Down 0-1-0 | 32oz
In Stock: 73
$16.42 $21.99 -25%
Nectar for The Gods Zeus Juice Growth Enhancer | 32oz
In Stock: 23
$16.42 $21.99 -25%
FoxFarm Bush Doctor Sledgehammer | 16oz -OMRI Listed
In Stock: 199
$16.41 $19.99 -18%
Grotek Root Force 1-0-0 | 500mL - (Case of 6)
In Stock: 30
$16.39
Nectar for The Gods One Shot 3-10-0 | 4lb - (Case of 10)
Out of stock
$16.39 $24.99 -34%
Neptune's Harvest Seaweed Plant Food 0-0-1 | 32oz - Concentrate - Makes 32gal - OMRI Listed - (Case of 12)
In Stock: 816
$16.38 $21.29 -23%
Emerald Harvest Cal-Mag | 32oz
In Stock: 102
$16.28 $23.00 -29%
FoxFarm Bush Doctor Bemb Sweet & Dandy 0-1-3 | 16oz - Concentrate
In Stock: 136
$16.28 $22.99 -29%
Roots Organics Terp Tea Bloom, 3 lb
Out of stock
$16.25 $20.51 -21%
Roots Organics Terp Tea Grow, 3 lb
In Stock: 1699
$16.25 $20.51 -21%
Down to Earth Liquid Calcium 5% | 32oz - OMRI Listed - (Case of 10)
In Stock: 120
$16.14 $22.99 -30%
FoxFarm Bush Doctor Sledge Hammer, 1 qt
In Stock: 2
$16.08 $34.28 -53%
Botanicare Silica Blast 0-0-0.5 - 32oz
In Stock: 528
$16.06 $23.13 -31%
Grotek Blossom Blaster Pro Liquid, 1 L
In Stock: 1748
$16.05 $29.18 -45%
Bloom Khaos, 1 qt
In Stock: 3
$16.04 $34.99 -54%
Down to Earth Oyster Shell | 25lb - OMRI Listed
Out of stock
$16.00 $25.99 -38%
Big Foot Root Boost Nitrogen-Fixing Azospirillum | 5oz
In Stock: 183
$15.99
FoxFarm Bush Doctor Boomerang Comeback Formula 2-0.2-0.3 | 16oz
In Stock: 523
$15.89 $18.99 -16%
Grotek Biofuse | 300g - (Case of 6)
In Stock: 138
$15.83 $30.29 -48%
Olivia's Cloning Gel | 4oz - (Case of 24)
Out of stock
$15.73 $22.95 -31%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 1gal - (Case of 4)
In Stock: 312
$15.68 $46.24 -66%
FoxFarm Grow Big Hydroponic Fertilizer 3-2-6 | 16oz - Concentrate
In Stock: 204
$15.59 $21.99 -29%
FoxFarm Bush Doctor Wholly Mackerel Fertilizer 3-1-0 | 16oz - Concentrate
In Stock: 270
$15.56 $21.99 -29%
Plant Success Organics Granular, 1 lb
In Stock: 61
$15.42 $20.99 -27%
Crystal Burst, 1 qt
In Stock: 106
$15.40 $29.99 -49%
FoxFarm Cultivation Nation Grow 2-1-6 | 32oz
In Stock: 84
$15.38 $18.99 -19%
FoxFarm Cultivation Nation Bloom 0-5-4 | 32oz
In Stock: 24
$15.38 $18.99 -19%
Neptune's Harvest Fish Fertilizer 2-4-1 | 36oz - Concentrate - OMRI Listed - (Case of 12)
In Stock: 208
$15.38 $22.59 -32%
Roots Organics HP2 | 32oz
In Stock: 26
$15.35 $17.99 -15%
Down to Earth Solution Grade Potassium Sulfate 0-0-50 | 5lb - OMRI Listed - (Case of 5)
In Stock: 5
$15.35 $24.49 -37%
FoxFarm Bush Doctor Boomerang, 1 qt
In Stock: 10
$15.34 $34.83 -56%
Technaflora B.C. Bloom, 1 L
In Stock: 85
$15.34 $23.99 -36%
Technaflora B.C. Grow, 1 L
In Stock: 97
$15.34 $23.99 -36%
Down to Earth Solution Grade Calcium 96 | 5lb - OMRI Listed - (Case of 5)
In Stock: 20
$15.29
General Hydroponics FloraNova Grow 7-4-10 - 16oz
In Stock: 374
$15.23 $21.86 -30%
General Hydroponics FloraNova Bloom 4-8-7 - 16oz
In Stock: 191
$15.23 $21.86 -30%
Gaia Green Worm Castings, 2 L U.S. (NA02) Pouch
In Stock: 1177
$15.21 $15.99 -5%
Emerald Harvest Cal-Mag, 1 qt
In Stock: 143
$15.18 $23.00 -34%
General Hydroponics FloraMicro 5-0-1 - 32oz
In Stock: 2014
$15.13 $21.13 -28%
Gaia Green Mineralized Phosphate, 2 kg Pouch
In Stock: 74
$15.06 $18.99 -21%
Grotek Blossom Blaster 1-4-0 | 15/box - 20g
In Stock: 15
$14.99
Down to Earth Blood Meal 12-0-0 | 4lb - OMRI Listed - (Case of 6)
In Stock: 1541
$14.97 $23.90 -37%
Roots Organics HP2 0-4-0, 1 qt
In Stock: 994
$14.97 $22.67 -34%
General Hydroponics MaxiBloom 5-15-14 - 2.2lb
In Stock: 143
$14.93 $21.51 -31%
General Hydroponics MaxiGro 10-5-14 - 2.2lb
In Stock: 735
$14.93 $21.51 -31%
FoxFarm Open Sesame, 2 lbs
In Stock: 1540
$14.93 $99.39 -85%
MICROBE Life Hydroponics Vegetable & Fruit Yield Enhancer | 16oz - (Case of 12)
In Stock: 12
$14.89 $28.99 -49%
MICROBE Life Hydroponics Foliar Spray & Root Dip | 16oz - (Case of 12)
In Stock: 24
$14.89 $28.99 -49%
Soul Sensei Micro, 2.5 gal
In Stock: 34
$14.89 $112.76 -87%
Roots Organics Terp Tea Bloom | 3lb - (Case of 3)
Out of stock
$14.88 $16.99 -12%
Roots Organics Terp Tea Grow | 3lb - (Case of 3)
Out of stock
$14.88 $16.99 -12%
FoxFarm Bush Doctor Kelp Me Kelp You 0.5-0-0.5 | 16oz - Concentrate - OMRI Listed
In Stock: 229
$14.82 $19.99 -26%
FoxFarm Happy Frog Cavern Culture Fertilizer 1-12-0 | 4lb - OMRI Listed - (Case of 12)
In Stock: 120
$14.76 $19.99 -26%
Grotek Gro-Silic, 1 L
In Stock: 652
$14.73 $92.99 -84%
Mother Earth Power Flower Fantastic Flowering Mix 1-8-6 - 2.4lb
In Stock: 131
$14.72 $16.88 -13%
Mother Earth Farmer's Market All Purpose Mix 4-5-4 - 4.4lb
In Stock: 97
$14.72 $16.88 -13%
Mother Earth Season's Choice Tomato & Vegetable Mix 4-5-6 - 4.4lb
In Stock: 132
$14.72 $16.88 -13%
Mother Earth Acid Drop for Acid -Loving Plants 3-4-6 - 4.4lb
In Stock: 60
$14.72 $16.88 -13%
House & Garden Aqua Flakes A, 1 L
In Stock: 273
$14.70 $20.24 -27%
House & Garden Cocos B, 1 L
In Stock: 144
$14.70 $20.24 -27%
House & Garden Soil A, 1 L
In Stock: 205
$14.70 $20.24 -27%
House & Garden Soil B, 1 L
In Stock: 360
$14.70 $20.24 -27%
FoxFarm Cultivation Nation Cal-Mag | 32oz
In Stock: 144
$14.68 $19.99 -27%
SUPERthrive, 4 oz
In Stock: 69
$14.67 $15.49 -5%
Mother Earth Floressence Bloom Supplement 1-1-1 - 32oz
In Stock: 73
$14.65 $32.53 -55%
Remo AstroFlower, 1 L
In Stock: 11
$14.65 $36.99 -60%
Roots Organics Nitro Bat Guano, 3 lbs
In Stock: 486
$14.64 $18.34 -20%
Down to Earth Liquid All-Purpose 4-1-3 | 32oz - (Case of 10)
In Stock: 10
$14.54 $22.99 -37%
Mad Farmer Mother Of All Bloom, 250g
In Stock: 549
$14.49 $32.12 -55%
Grotek Vital 5% Calcium | 1L - (Case of 6)
In Stock: 60
$14.40 $37.97 -62%
FoxFarm Bush Doctor Cal-Mag, 1 qt
In Stock: 149
$14.31 $27.56 -48%
Growth Science Nutrients Rock Solid, 2.5 gal
In Stock: 2
$14.30 $149.99 -90%
Emerald Harvest Micro, 1 qt
In Stock: 143
$14.27 $18.00 -21%
Mad Farmer Cal+Mag, 1 qt
In Stock: 32
$14.26 $21.62 -34%
Growth Science Organics Root Magic, 1 qt
In Stock: 102
$14.20 $44.99 -68%
HDI MotherPlant Nutrients Part A | 32oz
In Stock: 24
$14.19 $17.78 -20%
HDI MotherPlant Nutrients Part B | 32oz
In Stock: 91
$14.19 $17.78 -20%
Grotek Rype 3-0-0 | 1L - (Case of 6)
In Stock: 108
$14.08 $37.15 -62%
Down to Earth Fish Bone Powder 4-20-0 | 1lb - (Case of 6)
In Stock: 102
$13.99
Humboldt Nutrients Mayan Microzyme, 1 qt
In Stock: 6
$13.99 $105.99 -87%
Nectar for The Gods Gaia Mania Supplement 1-5-1 | 32oz
Out of stock
$13.95 $17.99 -22%
Nectar for The Gods Persephone's Palate | 32oz
In Stock: 11
$13.95 $17.99 -22%
Plant Success Organics Granular 3-1-2 | 1lb - Granules - (Case of 12)
In Stock: 55
$13.94 $17.92 -22%
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 16oz - Concentrate
In Stock: 192
$13.93 $16.99 -18%
Cutting Edge Solutions Micro, 1 qt
In Stock: 29
$13.91 $16.99 -18%
FoxFarm Grow Big Fertilizer 6-4-4 | 16oz - Concentrate
In Stock: 516
$13.90 $18.99 -27%
SUPERthrive Pure Neem Oil Organic Leaf Polish | 8oz - (Case of 12)
In Stock: 164
$13.83 $20.76 -33%
Gaia Green Super Fly, 750 g Pouch
In Stock: 103
$13.75 $14.99 -8%
Roots Organics Uprising Bloom | 3lb - (Case of 3)
Out of stock
$13.74 $15.99 -14%
Roots Organics Uprising Foundation | 3lb - (Case of 3)
In Stock: 3
$13.74 $15.99 -14%
Roots Organics Uprising Grow | 3lb - (Case of 3)
In Stock: 15
$13.74 $15.99 -14%
House & Garden Multi Zen, 250 ml
In Stock: 217
$13.73 $18.89 -27%
FoxFarm Cha Ching, 1 lb
In Stock: 339
$13.70 $59.35 -77%
HYCLEAN Line & Equipment Cleaner for Irrigation Systems | 500mL(16.9oz) - Non-Toxic
In Stock: 149
$13.58 $15.36 -12%
Down to Earth Feather Meal 12-0-0 | 4lb - OMRI Listed - (Case of 6)
In Stock: 1513
$13.53 $21.79 -38%
Grotek Final Flush | 4L - Regular - (Case of 4)
In Stock: 64
$13.53 $46.29 -71%
Down to Earth Alfalfa Meal 2.5-0.5-2.5 | 4lb - OMRI Listed
In Stock: 1608
$13.49
Key Grow Solutions Blue Butterfly 6-4-5 | 1gal - (Case of 4)
In Stock: 36
$13.48 $69.99 -81%
Emerald Harvest Cali Pro Grow A, 1 qt
In Stock: 15
$13.46 $17.00 -21%
Emerald Harvest Cali Pro Grow B, 1 qt
In Stock: 4
$13.46 $17.00 -21%
Age Old Grow, 32 oz
In Stock: 43
$13.45 $16.99 -21%
Age Old Bloom, 32 oz
In Stock: 89
$13.45 $16.99 -21%
Mad Farmer Be One, 1 qt
Out of stock
$13.40 $31.49 -57%
House & Garden Aqua Flakes B, 1 L
In Stock: 141
$13.36 $20.24 -34%
House & Garden Cocos A, 1 L
In Stock: 155
$13.36 $20.24 -34%
DaKine 420 Nitro Nutrients Bloom | 1,000g - (Case of 4)
In Stock: 8
$13.35 $54.99 -76%
DaKine 420 CalMag | 1,000g - (Case of 4)
In Stock: 4
$13.35 $54.99 -76%
DaKine 420 Foliar Science | 1,000g - (Case of 4)
In Stock: 8
$13.35 $54.99 -76%
DaKine 420 Nitro Nutrients Grow | 1,000g - (Case of 4)
In Stock: 12
$13.35 $54.99 -76%
Coast of Maine Quoddy Blend Organic Lobster Compost | 1cu ft - OMRI Listed - (Case of 5)
In Stock: 557
$13.20 $23.29 -43%
FoxFarm Cultivation Nation Micro Fertilizer 5-0-1 | 16oz - Step 2 for 3-Part Feeding Programs
In Stock: 168
$13.19 $15.59 -15%
Botanicare Pure Blend Tea 0.5-0.5-1 - 32oz
In Stock: 92
$13.13 $18.85 -30%
Down to Earth Bio-Fish 7-7-2 | 5lb - OMRI Listed - (Case of 6)
In Stock: 90
$13.09 $18.99 -31%
SUPERthrive Vitamin Solution 4-1-1 Plant Food | 32oz - Concentrate - (Case of 8)
In Stock: 64
$13.04 $14.29 -9%
Miracle-Gro Performance Organics Edibles | 2.5lb Jug - OMRI Listed - (Case of 6)
In Stock: 72
$13.00 $23.19 -44%
Down to Earth Bone Meal 3-15-0 | 5lb - OMRI Listed - (Case of 6)
In Stock: 1614
$12.91 $18.99 -32%
Roots Organics Nitro Bat Guano | 3lb - (Case of 3)
Out of stock
$12.87 $14.99 -14%
Roots Organics Uprising Bloom, 3 lbs
In Stock: 1095
$12.83 $19.43 -34%
Roots Organics Uprising Foundation, 3 lbs
In Stock: 612
$12.83 $19.43 -34%
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