0Cart

Nutrients & Supplements

Soil Amendments
Sort by:
Price: High to Low
Show:
128
Roots Organics Uprising Foundation, 3 lbs
In Stock: 571
$15.86 $19.43 -18%
Neptune's Harvest Fish Fertilizer 2-4-1 | 36oz - Concentrate - OMRI Listed - (Case of 12)
In Stock: 96
$15.84 $22.59 -30%
Down to Earth Solution Grade Potassium Sulfate 0-0-50 | 5lb - OMRI Listed - (Case of 5)
In Stock: 5
$15.82 $24.49 -35%
Technaflora B.C. Bloom, 1 L
In Stock: 63
$15.80 $23.99 -34%
HDI MotherPlant Nutrients Part A | 32oz
In Stock: 60
$15.78 $17.78 -11%
HDI MotherPlant Nutrients Part B | 32oz
In Stock: 91
$15.78 $17.78 -11%
Growth Science Nutrients Strength, 2.5 gal
Out of stock
$15.78 $115.99 -86%
General Hydroponics FloraNova Grow 7-4-10 - 16oz
In Stock: 388
$15.69 $23.39 -33%
General Hydroponics FloraNova Bloom 4-8-7 - 16oz
In Stock: 274
$15.69 $23.39 -33%
Gaia Green Worm Castings, 2 L U.S. (NA02) Pouch
In Stock: 1206
$15.67 $15.99 -2%
Emerald Harvest Cal-Mag, 1 qt
In Stock: 210
$15.64 $23.00 -32%
General Hydroponics FloraMicro 5-0-1 - 32oz
In Stock: 2678
$15.59 $23.24 -33%
FoxFarm Bush Doctor Kelp Me Kelp You 0.5-0-0.5 | 16oz - Concentrate - OMRI Listed
In Stock: 317
$15.59 $19.99 -22%
Gaia Green Mineralized Phosphate, 2 kg Pouch
In Stock: 287
$15.52 $18.99 -18%
FoxFarm Happy Frog Cavern Culture Fertilizer 1-12-0 | 4lb - OMRI Listed - (Case of 12)
In Stock: 516
$15.50 $19.99 -22%
Nectar for The Gods Persephone's Palate | 32oz
In Stock: 47
$15.48 $17.99 -14%
FoxFarm Cultivation Nation Cal-Mag | 32oz
In Stock: 108
$15.44 $19.99 -23%
Down to Earth Blood Meal 12-0-0 | 4lb - OMRI Listed - (Case of 6)
In Stock: 54
$15.42 $23.90 -35%
Roots Organics HP2 0-4-0, 1 qt
In Stock: 968
$15.42 $22.67 -32%
Cutting Edge Solutions Bloom, 1 qt
In Stock: 84
$15.40 $16.99 -9%
General Hydroponics MaxiBloom 5-15-14 - 2.2lb
In Stock: 779
$15.38 $23.02 -33%
General Hydroponics MaxiGro 10-5-14 - 2.2lb
In Stock: 857
$15.38 $23.02 -33%
MICROBE Life Hydroponics Vegetable & Fruit Yield Enhancer | 16oz - (Case of 12)
In Stock: 144
$15.34 $28.99 -47%
MICROBE Life Hydroponics Foliar Spray & Root Dip | 16oz - (Case of 12)
In Stock: 85
$15.34 $28.99 -47%
Soul Sensei Micro, 2.5 gal
In Stock: 1
$15.34 $112.76 -86%
Roots Organics Uprising Foundation | 3lb - (Case of 3)
In Stock: 4
$15.31 $15.99 -4%
Roots Organics Uprising Grow | 3lb - (Case of 3)
In Stock: 15
$15.31 $15.99 -4%
FoxFarm Beastie Bloomz, 2 lbs
In Stock: 605
$15.31 $103.25 -85%
Down to Earth Solution Grade Calcium 96 | 5lb - OMRI Listed - (Case of 5)
In Stock: 20
$15.29
HYCLEAN Line & Equipment Cleaner for Irrigation Systems | 500mL(16.9oz) - Non-Toxic
In Stock: 161
$15.20 $15.36 -1%
Mother Earth Power Flower Fantastic Flowering Mix 1-8-6 - 2.4lb
In Stock: 129
$15.16 $16.88 -10%
Mother Earth Farmer's Market All Purpose Mix 4-5-4 - 4.4lb
In Stock: 134
$15.16 $16.88 -10%
Mother Earth Season's Choice Tomato & Vegetable Mix 4-5-6 - 4.4lb
In Stock: 126
$15.16 $16.88 -10%
Mother Earth Acid Drop for Acid -Loving Plants 3-4-6 - 4.4lb
In Stock: 60
$15.16 $16.88 -10%
House & Garden Aqua Flakes A, 1 L
In Stock: 218
$15.15 $20.24 -25%
House & Garden Cocos A, 1 L
In Stock: 128
$15.15 $20.24 -25%
Nectar for The Gods Gaia Mania Supplement 1-5-1 | 32oz
In Stock: 24
$15.01 $17.99 -17%
Grotek Blossom Blaster 1-4-0 | 15/box - 20g
In Stock: 15
$14.99
Plant Success Organics Granular 3-1-2 | 1lb - Granules - (Case of 12)
In Stock: 535
$14.86 $17.92 -17%
Grotek Vital 5% Calcium | 1L - (Case of 6)
In Stock: 60
$14.84 $17.81 -17%
Roots Organics Uprising Bloom | 3lb - (Case of 3)
Out of stock
$14.82 $15.99 -7%
FoxFarm Bush Doctor Manganese Micro-Nutrient 1-0-0 | 16oz - OMRI Listed - (Case of 12)
Out of stock
$14.80 $28.49 -48%
SUPERthrive Pure Neem Oil Organic Leaf Polish | 8oz - (Case of 12)
In Stock: 356
$14.77 $20.76 -29%
Emerald Harvest Micro, 1 qt
In Stock: 61
$14.70 $18.00 -18%
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 16oz - Concentrate
In Stock: 1401
$14.63 $16.99 -14%
FoxFarm Grow Big Fertilizer 6-4-4 | 16oz - Concentrate
In Stock: 1520
$14.61 $18.99 -23%
Grotek Rype 3-0-0 | 1L - (Case of 6)
In Stock: 108
$14.51 $37.15 -61%
Gaia Green Greensand, 10 kg U.S. (NA02)
Out of stock
$14.28 $69.99 -80%
Great White Premium Mycorrhizae, 1 oz
In Stock: 527
$14.28 $15.99 -11%
House & Garden Multi Zen, 250 ml
In Stock: 201
$14.14 $18.89 -25%
Down to Earth Fish Bone Powder 4-20-0 | 1lb - (Case of 6)
In Stock: 96
$13.99
Roots Organics Terp Tea Bloom, 3 lb
In Stock: 729
$13.95 $20.51 -32%
Roots Organics Terp Tea Grow, 3 lb
In Stock: 1413
$13.95 $20.51 -32%
Down to Earth Feather Meal 12-0-0 | 4lb - OMRI Listed - (Case of 6)
In Stock: 38
$13.94 $21.79 -36%
Grotek Final Flush | 4L - Regular - (Case of 4)
In Stock: 64
$13.94 $46.29 -70%
Key Grow Solutions Blue Butterfly 6-4-5 | 1gal - (Case of 4)
In Stock: 36
$13.89 $69.99 -80%
Emerald Harvest Cali Pro Bloom A, 1 qt
In Stock: 101
$13.87 $17.00 -18%
Emerald Harvest Cali Pro Bloom B, 1 qt
In Stock: 97
$13.87 $17.00 -18%
Emerald Harvest Cali Pro Grow A, 1 qt
In Stock: 14
$13.87 $17.00 -18%
FoxFarm Cultivation Nation Micro Fertilizer 5-0-1 | 16oz - Step 2 for 3-Part Feeding Programs
In Stock: 192
$13.86 $15.59 -11%
Age Old Grow, 32 oz
In Stock: 78
$13.86 $16.99 -18%
Age Old Bloom, 32 oz
In Stock: 81
$13.86 $16.99 -18%
Roots Organics Nitro Bat Guano | 3lb - (Case of 3)
Out of stock
$13.84 $14.99 -8%
House & Garden Aqua Flakes B, 1 L
In Stock: 41
$13.76 $20.24 -32%
House & Garden Cocos B, 1 L
In Stock: 117
$13.76 $20.24 -32%
House & Garden Soil A, 1 L
In Stock: 178
$13.76 $20.24 -32%
House & Garden Soil B, 1 L
In Stock: 285
$13.76 $20.24 -32%
DaKine 420 Nitro Nutrients Bloom | 1,000g - (Case of 4)
In Stock: 11
$13.75 $54.99 -75%
DaKine 420 CalMag | 1,000g - (Case of 4)
In Stock: 12
$13.75 $54.99 -75%
DaKine 420 Foliar Science | 1,000g - (Case of 4)
In Stock: 8
$13.75 $54.99 -75%
DaKine 420 Nitro Nutrients Grow | 1,000g - (Case of 4)
In Stock: 28
$13.75 $54.99 -75%
Gaia Green Basalt Rock Dust, 2 kg U.S. (NA02) Pouch
In Stock: 793
$13.72 $13.99 -2%
Nectar for The Gods Athena's Aminas 0.5-0-0 | 32oz
In Stock: 53
$13.64 $15.99 -15%
Nectar for The Gods Medusa's Magic Soil Nutrient 2-5-2 | 32oz
In Stock: 81
$13.64 $15.99 -15%
Nectar for The Gods Mega Morpheus Guano Tea 0-2-0 | 32oz
In Stock: 58
$13.64 $15.99 -15%
Nectar for The Gods Pegasus Potion Feather Tea 1-2-0 | 32oz
In Stock: 51
$13.64 $15.99 -15%
Nectar for The Gods The Kraken Crab & Shrimp 0-4-0 | 32oz
In Stock: 10
$13.64 $15.99 -15%
Coast of Maine Quoddy Blend Organic Lobster Compost | 1cu ft - OMRI Listed - (Case of 5)
In Stock: 467
$13.60 $23.29 -42%
Rainbow Mix "PRO" Grow 8-6-3, 40 lbs
In Stock: 71
$13.60 $175.49 -92%
Vegamatrix Amp-It, 5 gal
In Stock: 11
$13.60 $449.99 -97%
Botanicare Pure Blend Tea 0.5-0.5-1 - 32oz
In Stock: 56
$13.53 $20.17 -33%
Grotek Pro-Silicate 0-0-4 | 1L - (Case of 6)
Out of stock
$13.50 $16.49 -18%
Down to Earth Bio-Fish 7-7-2 | 5lb - OMRI Listed - (Case of 6)
In Stock: 586
$13.49 $18.99 -29%
Down to Earth Alfalfa Meal 2.5-0.5-2.5 | 4lb - OMRI Listed
In Stock: 1368
$13.49
SUPERthrive Vitamin Solution 4-1-1 Plant Food | 32oz - Concentrate - (Case of 8)
In Stock: 232
$13.44 $14.29 -6%
Miracle-Gro Performance Organics Edibles | 2.5lb Jug - OMRI Listed - (Case of 6)
In Stock: 72
$13.40 $23.19 -42%
FoxFarm Big Bloom Liquid Concentrate, 1 qt
Out of stock
$13.31 $25.30 -47%
Down to Earth Bone Meal 3-15-0 | 5lb - OMRI Listed - (Case of 6)
In Stock: 90
$13.30 $18.99 -30%
FoxFarm Marine Cuisine Dry Fertilizer, 4 lbs
In Stock: 5
$13.29 $25.78 -48%
Roots Organics Uprising Grow, 3 lbs
In Stock: 1486
$13.22 $19.43 -32%
FoxFarm Soil Conditioner | 1.5cu ft - Improves Aeration - Contains Humic Acid
In Stock: 1063
$13.15 $15.49 -15%
SUPERthrive Vitamin Solution 0.5-0-0 | 4oz
In Stock: 1359
$13.07 $14.89 -12%
Cutting Edge Solutions Grow, 1 qt
In Stock: 189
$13.07 $15.99 -18%
Plant Success Great White Premium Mycorrhizae | 1oz
In Stock: 606
$13.04 $15.66 -17%
Grotek Bud Fuel Pro 1-3-4 | 1L - (Case of 6)
In Stock: 66
$12.95 $37.99 -66%
Down to Earth Rose & Flower Mix 4-8-4 | 5lb - OMRI Listed - (Case of 6)
In Stock: 48
$12.91 $17.29 -25%
Down to Earth Fruit Tree 6-2-4 | 5lb - OMRI Listed - (Case of 6)
In Stock: 576
$12.91 $17.90 -28%
Down to Earth Citrus Mix 6-3-3 | 5lb - OMRI Listed - (Case of 6)
In Stock: 138
$12.91 $17.29 -25%
Botanicare Clearex Rinsing Solution - 32ozl
In Stock: 77
$12.87 $19.11 -33%
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
$12.78 $16.99 -25%
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
$12.78 $16.99 -25%
Nectar for The Gods Olympus Up | 32oz
In Stock: 82
$12.74 $14.99 -15%
Down to Earth Langbeinite 0-0-22 | 5lb - OMRI Listed - (Case of 6)
Out of stock
$12.72 $19.99 -36%
Grotek Monster Bloom, 130 g
In Stock: 2403
$12.69 $13.99 -9%
MICROBE Life Hydroponics Vitamins & Amino Acids | 16oz - (Case of 12)
In Stock: 48
$12.66 $23.99 -47%
Emerald Harvest Micro | 32oz
In Stock: 77
$12.61 $18.00 -30%
SUPERthrive, 4 oz
In Stock: 479
$12.58 $15.49 -19%
Roots Organics Nitro Bat Guano, 3 lbs
In Stock: 1168
$12.57 $18.34 -31%
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 15lb - OMRI Listed
In Stock: 884
$12.51 $19.99 -37%
Primordial Solutions Rootamentary, 32 oz
In Stock: 9
$12.51 $83.99 -85%
Down to Earth Soluble Root Zone | 4oz - OMRI Listed - (Case of 12)
In Stock: 97
$12.48 $25.99 -52%
Emerald Harvest Cali Pro Grow A 3-0-0 | 32oz
In Stock: 80
$12.34 $17.00 -27%
Emerald Harvest Cali Pro Grow B 2-2-5 | 32oz
In Stock: 54
$12.34 $17.00 -27%
Emerald Harvest Cali Pro Bloom A 3-0-3 | 32oz
In Stock: 101
$12.34 $17.00 -27%
Emerald Harvest Cali Pro Bloom B 1-4-6 | 32oz
In Stock: 91
$12.34 $17.00 -27%
MYKE Vegetable & Herb Growth Enhancer | 0.9qt - OMRI Listed - (Pallet of 36)
In Stock: 72
$12.34 $17.99 -31%
DaKine 420 Bio Minerals | 1,000g - (Case of 4)
In Stock: 4
$12.25 $48.99 -75%
Nectar for the Gods One Shot Granules, 4 lb
Out of stock
$12.24 $20.99 -42%
General Hydroponics FloraBloom 0-5-4 - 32oz
In Stock: 1428
$12.23 $18.29 -33%
General Hydroponics FloraGro 2-1-6 - 32oz
In Stock: 1248
$12.23 $18.29 -33%
Grotek Insta-Green, 1 L
In Stock: 387
$12.23 $13.48 -9%
Neptune's Harvest Seaweed Plant Food 0-0-1 | 16oz - Concentrate - Makes 16gal - OMRI Listed - (Case of 12)
In Stock: 72
$12.21 $17.29 -29%
FoxFarm Bush Doctor 1-0-0 Cal-Mag Supplement | 16oz - 3% Calcium - 0.9% Magnesium - OMRI Listed - (Case of 12)
In Stock: 204
$12.19 $14.49 -16%
Black Gold Earthworm Castings Blend | 8q t- OMRI Listed - (Case of 4)
In Stock: 385
$12.16 $13.39 -9%
Grotek Heavy Bud Pro 1-0-3 | 1L - (Case of 6)
In Stock: 132
$12.12 $35.59 -66%
FoxFarm Big Bloom Fertilizer 0-0.5-0.7 | 16oz - Concentrate - OMRI Listed - (Case of 12)
In Stock: 624
$12.10 $13.79 -12%
Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1 | 18oz - Concentrate - OMRI Listed - (Case of 12)
In Stock: 216
$11.94 $17.29 -31%
Down to Earth Fish Bone Meal 4-12-0 | 5lb - OMRI Listed - (Case of 6)
In Stock: 649
$11.90 $16.69 -29%
Show other 128 products
Product filters
Free Shipping
In Stock
Nutrient Material
Price
$
–
$
  • $0
  • $44064
Shop Owner
Brand
    Show all (89)