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Nutrients & Supplements

Soil Amendments
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128
Grotek Blossom Blaster Pro Liquid, 1 L
In Stock: 1670
$16.05 $29.18 -45%
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: 171
$15.99
FoxFarm Grow Big Hydroponic Fertilizer 3-2-6 | 16oz - Concentrate
In Stock: 480
$15.91 $21.99 -28%
FoxFarm Bush Doctor Wholly Mackerel Fertilizer 3-1-0 | 16oz - Concentrate
In Stock: 312
$15.88 $21.99 -28%
Grotek Biofuse | 300g - (Case of 6)
In Stock: 138
$15.83 $30.29 -48%
FoxFarm Cultivation Nation Grow 2-1-6 | 32oz
In Stock: 228
$15.69 $18.99 -17%
FoxFarm Cultivation Nation Bloom 0-5-4 | 32oz
In Stock: 204
$15.69 $18.99 -17%
Mad Farmer Cal+Mag, 1 qt
In Stock: 2
$15.69 $21.62 -27%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 1gal - (Case of 4)
In Stock: 300
$15.68 $46.24 -66%
Roots Organics Terp Tea Bloom | 3lb - (Case of 3)
Out of stock
$15.47 $16.99 -9%
Roots Organics Terp Tea Grow | 3lb - (Case of 3)
Out of stock
$15.47 $16.99 -9%
Roots Organics Uprising Bloom, 3 lbs
In Stock: 1062
$15.39 $19.43 -21%
Roots Organics Uprising Foundation, 3 lbs
In Stock: 588
$15.39 $19.43 -21%
Roots Organics Uprising Grow, 3 lbs
In Stock: 1488
$15.39 $19.43 -21%
Neptune's Harvest Fish Fertilizer 2-4-1 | 36oz - Concentrate - OMRI Listed - (Case of 12)
In Stock: 184
$15.38 $22.59 -32%
Down to Earth Solution Grade Potassium Sulfate 0-0-50 | 5lb - OMRI Listed - (Case of 5)
In Stock: 5
$15.35 $24.49 -37%
HDI MotherPlant Nutrients Part A | 32oz
In Stock: 60
$15.31 $17.78 -14%
HDI MotherPlant Nutrients Part B | 32oz
In Stock: 91
$15.31 $17.78 -14%
Growth Science Nutrients Strength, 2.5 gal
Out of stock
$15.31 $115.99 -87%
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: 335
$15.23 $23.39 -35%
General Hydroponics FloraNova Bloom 4-8-7 - 16oz
In Stock: 330
$15.23 $23.39 -35%
General Hydroponics FloraMicro 5-0-1 - 32oz
In Stock: 2821
$15.13 $23.24 -35%
FoxFarm Bush Doctor Kelp Me Kelp You 0.5-0-0.5 | 16oz - Concentrate - OMRI Listed
In Stock: 241
$15.13 $19.99 -24%
FoxFarm Happy Frog Cavern Culture Fertilizer 1-12-0 | 4lb - OMRI Listed - (Case of 12)
In Stock: 447
$15.05 $19.99 -25%
Nectar for The Gods Persephone's Palate | 32oz
In Stock: 11
$15.02 $17.99 -17%
Grotek Blossom Blaster 1-4-0 | 15/box - 20g
In Stock: 15
$14.99
FoxFarm Cultivation Nation Cal-Mag | 32oz
In Stock: 228
$14.98 $19.99 -25%
Down to Earth Blood Meal 12-0-0 | 4lb - OMRI Listed - (Case of 6)
In Stock: 1217
$14.97 $23.90 -37%
Cutting Edge Solutions Bloom, 1 qt
In Stock: 91
$14.94 $16.99 -12%
General Hydroponics MaxiBloom 5-15-14 - 2.2lb
In Stock: 709
$14.93 $23.02 -35%
General Hydroponics MaxiGro 10-5-14 - 2.2lb
In Stock: 793
$14.93 $23.02 -35%
MICROBE Life Hydroponics Vegetable & Fruit Yield Enhancer | 16oz - (Case of 12)
In Stock: 144
$14.89 $28.99 -49%
MICROBE Life Hydroponics Foliar Spray & Root Dip | 16oz - (Case of 12)
In Stock: 85
$14.89 $28.99 -49%
Soul Sensei Micro, 2.5 gal
In Stock: 1
$14.89 $112.76 -87%
Roots Organics Uprising Foundation | 3lb - (Case of 3)
In Stock: 4
$14.86 $15.99 -7%
Roots Organics Uprising Grow | 3lb - (Case of 3)
In Stock: 15
$14.86 $15.99 -7%
FoxFarm Beastie Bloomz, 2 lbs
In Stock: 641
$14.86 $103.25 -86%
HYCLEAN Line & Equipment Cleaner for Irrigation Systems | 500mL(16.9oz) - Non-Toxic
In Stock: 161
$14.76 $15.36 -4%
Mother Earth Power Flower Fantastic Flowering Mix 1-8-6 - 2.4lb
In Stock: 129
$14.72 $16.88 -13%
Mother Earth Farmer's Market All Purpose Mix 4-5-4 - 4.4lb
In Stock: 134
$14.72 $16.88 -13%
Mother Earth Season's Choice Tomato & Vegetable Mix 4-5-6 - 4.4lb
In Stock: 126
$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 B, 1 L
In Stock: 125
$14.70 $20.24 -27%
House & Garden Cocos A, 1 L
In Stock: 140
$14.70 $20.24 -27%
House & Garden Cocos B, 1 L
In Stock: 117
$14.70 $20.24 -27%
Nectar for The Gods Gaia Mania Supplement 1-5-1 | 32oz
Out of stock
$14.57 $17.99 -19%
Mad Farmer Mother Of All Bloom, 250g
In Stock: 441
$14.49 $32.12 -55%
Plant Success Organics Granular 3-1-2 | 1lb - Granules - (Case of 12)
In Stock: 473
$14.43 $17.92 -19%
Grotek Vital 5% Calcium | 1L - (Case of 6)
In Stock: 60
$14.40 $17.81 -19%
Roots Organics Uprising Bloom | 3lb - (Case of 3)
Out of stock
$14.39 $15.99 -10%
FoxFarm Bush Doctor Manganese Micro-Nutrient 1-0-0 | 16oz - OMRI Listed - (Case of 12)
Out of stock
$14.36 $28.49 -50%
SUPERthrive Pure Neem Oil Organic Leaf Polish | 8oz - (Case of 12)
In Stock: 356
$14.34 $20.76 -31%
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 16oz - Concentrate
In Stock: 1773
$14.20 $16.99 -16%
FoxFarm Grow Big Fertilizer 6-4-4 | 16oz - Concentrate
In Stock: 1388
$14.18 $18.99 -25%
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: 96
$13.99
Gaia Green Greensand, 10 kg U.S. (NA02)
In Stock: 10
$13.86 $69.99 -80%
Down to Earth Feather Meal 12-0-0 | 4lb - OMRI Listed - (Case of 6)
In Stock: 1417
$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: 1458
$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%
FoxFarm Cultivation Nation Micro Fertilizer 5-0-1 | 16oz - Step 2 for 3-Part Feeding Programs
In Stock: 156
$13.45 $15.59 -14%
Age Old Grow, 32 oz
In Stock: 54
$13.45 $16.99 -21%
Age Old Bloom, 32 oz
In Stock: 73
$13.45 $16.99 -21%
Roots Organics Nitro Bat Guano | 3lb - (Case of 3)
Out of stock
$13.44 $14.99 -10%
House & Garden Aqua Flakes A, 1 L
In Stock: 254
$13.36 $20.24 -34%
House & Garden Soil A, 1 L
In Stock: 190
$13.36 $20.24 -34%
House & Garden Soil B, 1 L
In Stock: 345
$13.36 $20.24 -34%
DaKine 420 Nitro Nutrients Bloom | 1,000g - (Case of 4)
In Stock: 11
$13.35 $54.99 -76%
DaKine 420 CalMag | 1,000g - (Case of 4)
In Stock: 12
$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: 28
$13.35 $54.99 -76%
Nectar for The Gods Athena's Aminas 0.5-0-0 | 32oz
In Stock: 6
$13.24 $15.99 -17%
Nectar for The Gods Medusa's Magic Soil Nutrient 2-5-2 | 32oz
In Stock: 34
$13.24 $15.99 -17%
Nectar for The Gods Mega Morpheus Guano Tea 0-2-0 | 32oz
In Stock: 46
$13.24 $15.99 -17%
Nectar for The Gods Pegasus Potion Feather Tea 1-2-0 | 32oz
In Stock: 41
$13.24 $15.99 -17%
Nectar for The Gods The Kraken Crab & Shrimp 0-4-0 | 32oz
In Stock: 11
$13.24 $15.99 -17%
Coast of Maine Quoddy Blend Organic Lobster Compost | 1cu ft - OMRI Listed - (Case of 5)
In Stock: 764
$13.20 $23.29 -43%
Rainbow Mix "PRO" Grow 8-6-3, 40 lbs
In Stock: 128
$13.20 $175.49 -92%
Vegamatrix Amp-It, 5 gal
In Stock: 31
$13.20 $449.99 -97%
Botanicare Pure Blend Tea 0.5-0.5-1 - 32oz
In Stock: 62
$13.13 $20.17 -35%
Grotek Pro-Silicate 0-0-4 | 1L - (Case of 6)
Out of stock
$13.11 $16.49 -20%
Down to Earth Bio-Fish 7-7-2 | 5lb - OMRI Listed - (Case of 6)
In Stock: 670
$13.09 $18.99 -31%
SUPERthrive Vitamin Solution 4-1-1 Plant Food | 32oz - Concentrate - (Case of 8)
In Stock: 240
$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: 648
$12.91 $18.99 -32%
FoxFarm Soil Conditioner | 1.5cu ft - Improves Aeration - Contains Humic Acid
In Stock: 1250
$12.76 $15.49 -18%
SUPERthrive Vitamin Solution 0.5-0-0 | 4oz
In Stock: 977
$12.69 $14.89 -15%
Cutting Edge Solutions Grow, 1 qt
In Stock: 203
$12.69 $15.99 -21%
Plant Success Great White Premium Mycorrhizae | 1oz
In Stock: 568
$12.66 $15.66 -19%
Gaia Green Worm Castings, 2 L U.S. (NA02) Pouch
In Stock: 1215
$12.66 $15.99 -21%
FoxFarm Big Bloom Liquid Concentrate, 1 qt
Out of stock
$12.63 $25.30 -50%
FoxFarm Marine Cuisine Dry Fertilizer, 4 lbs
In Stock: 9
$12.60 $25.78 -51%
Grotek Bud Fuel Pro 1-3-4 | 1L - (Case of 6)
In Stock: 66
$12.57 $37.99 -67%
Down to Earth Rose & Flower Mix 4-8-4 | 5lb - OMRI Listed - (Case of 6)
In Stock: 906
$12.53 $17.29 -28%
Down to Earth Fruit Tree 6-2-4 | 5lb - OMRI Listed - (Case of 6)
In Stock: 678
$12.53 $17.90 -30%
Down to Earth Citrus Mix 6-3-3 | 5lb - OMRI Listed - (Case of 6)
In Stock: 1772
$12.53 $17.29 -28%
Botanicare Clearex Rinsing Solution - 32ozl
In Stock: 82
$12.49 $19.11 -35%
House & Garden Multi Zen, 250 ml
In Stock: 217
$12.47 $18.89 -34%
True Organic All-Purpose Plant Food 5-4-5 | 8lb - Resealable Bag - Covers up to 174sq ft - OMRI Listed - (Case of 4)
In Stock: 120
$12.41 $16.99 -27%
True Organic Tomato & Vegetable Food 4-5-6 | 8lb - Resealable Bag - Use Monthly - Covers up to 140sq ft - OMRI Listed - (Case of 4)
In Stock: 129
$12.41 $16.99 -27%
Nectar for The Gods Olympus Up | 32oz
In Stock: 35
$12.37 $14.99 -17%
Gaia Green Glacial Rock Dust, 2 kg Pouch
In Stock: 591
$12.36 $12.99 -5%
Down to Earth Langbeinite 0-0-22 | 5lb - OMRI Listed - (Case of 6)
In Stock: 1011
$12.34 $19.99 -38%
Grotek Monster Bloom, 130 g
In Stock: 2408
$12.32 $13.99 -12%
MICROBE Life Hydroponics Vitamins & Amino Acids | 16oz - (Case of 12)
In Stock: 48
$12.29 $23.99 -49%
Emerald Harvest Micro | 32oz
In Stock: 62
$12.24 $18.00 -32%
SUPERthrive, 4 oz
In Stock: 308
$12.21 $15.49 -21%
Roots Organics Nitro Bat Guano, 3 lbs
In Stock: 1201
$12.20 $18.34 -33%
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 15lb - OMRI Listed
In Stock: 1916
$12.14 $19.99 -39%
Primordial Solutions Rootamentary, 32 oz
In Stock: 9
$12.14 $83.99 -86%
Down to Earth Soluble Root Zone | 4oz - OMRI Listed - (Case of 12)
In Stock: 97
$12.12 $25.99 -53%
Emerald Harvest Cali Pro Grow A 3-0-0 | 32oz
In Stock: 80
$11.97 $17.00 -30%
Emerald Harvest Cali Pro Grow B 2-2-5 | 32oz
In Stock: 54
$11.97 $17.00 -30%
Emerald Harvest Cali Pro Bloom A 3-0-3 | 32oz
In Stock: 101
$11.97 $17.00 -30%
Emerald Harvest Cali Pro Bloom B 1-4-6 | 32oz
In Stock: 91
$11.97 $17.00 -30%
MYKE Vegetable & Herb Growth Enhancer | 0.9qt - OMRI Listed - (Pallet of 36)
In Stock: 72
$11.97 $17.99 -33%
DaKine 420 Bio Minerals | 1,000g - (Case of 4)
In Stock: 4
$11.89 $48.99 -76%
Emerald Harvest Micro, 1 qt
In Stock: 165
$11.88 $18.00 -34%
General Hydroponics FloraBloom 0-5-4 - 32oz
In Stock: 1580
$11.87 $18.29 -35%
General Hydroponics FloraGro 2-1-6 - 32oz
In Stock: 1375
$11.87 $18.29 -35%
Grotek Insta-Green, 1 L
In Stock: 387
$11.87 $13.48 -12%
Neptune's Harvest Seaweed Plant Food 0-0-1 | 16oz - Concentrate - Makes 16gal - OMRI Listed - (Case of 12)
In Stock: 96
$11.85 $17.29 -31%
FoxFarm Bush Doctor 1-0-0 Cal-Mag Supplement | 16oz - 3% Calcium - 0.9% Magnesium - OMRI Listed - (Case of 12)
In Stock: 696
$11.83 $14.49 -18%
Black Gold Earthworm Castings Blend | 8q t- OMRI Listed - (Case of 4)
In Stock: 1071
$11.80 $13.39 -12%
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