0Cart

Nutrients & Supplements

Soil Amendments
Sort by:
Price: High to Low
Show:
128
Big Foot Mycorrhizae Granular | 2lb
In Stock: 60
$46.35
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 | 1lb Jar
In Stock: 115
$46.25 $52.99 -13%
FoxFarm Beastie Bloomz Fertilizer 0-50-30 | 1lb
In Stock: 172
$46.25 $52.99 -13%
Roots Organics HP2 0-4-0, 1 gal
In Stock: 281
$46.24 $68.03 -32%
Gaia Green Power Bloom, 10 kg
In Stock: 652
$46.21 $57.19 -19%
Down to Earth Bio-Fish 7-7-2 | 25lb - OMRI Listed
In Stock: 108
$46.04 $61.79 -25%
Grotek Cal Max 2-0-0 | 10L - (Case of 2)
In Stock: 4
$46.01 $134.99 -66%
Down to Earth All-Purpose Mix 4-6-2 | 50lb - OMRI Listed
In Stock: 82
$45.82 $82.99 -45%
Down to Earth Acid Mix 4-3-6 | 50lb - For Acid Soil Loving Plants
In Stock: 44
$45.82 $88.99 -49%
Down To Earth Vegetable Garden 4-4-4 | 50lb - OMRI Listed
In Stock: 69
$45.82 $84.29 -46%
Gaia Green Worm Castings, 30L
In Stock: 246
$45.66 $55.99 -18%
Technaflora Thrive Alive B1 Red, 1 L
In Stock: 145
$45.63 $59.99 -24%
Grotek Pro-Silicate 0-0-4 | 10L - (Case of 2)
In Stock: 4
$45.61 $133.99 -66%
Nectar for The Gods Gaia Mania Supplement 1-5-1 | 1gal - (Case of 4)
In Stock: 4
$45.53 $53.99 -16%
Nectar for The Gods Persephone's Palate | 1gal - (Case of 4)
In Stock: 8
$45.53 $53.99 -16%
General Hydroponics CALiMAGic 1-0-0 - 1gal
In Stock: 800
$45.25 $67.34 -33%
SUPERthrive, 1 pt
In Stock: 169
$45.14 $50.49 -11%
Grotek Bloom Pack
In Stock: 4
$44.96 $132.39 -66%
MILLS START 1 LTR
In Stock: 171
$44.88 $60.00 -25%
Mother Earth LiquiCraft Grow 4-3-3 - 1gal
In Stock: 26
$44.58 $66.22 -33%
Botanicare Cal-Mag Plus 2-0-0 | 1gal
In Stock: 1227
$44.54 $66.05 -33%
Purple Maxx, 1 qt
Out of stock
$44.51 $85.99 -48%
Budswel, 1 gal (CA Only)
In Stock: 690
$44.46 $54.99 -19%
Down to Earth Fish Bone Meal 4-12-0 | 50lb - OMRI Listed
In Stock: 91
$44.44 $79.49 -44%
Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1 | 142oz - Concentrate - OMRI Listed - (Case of 4)
In Stock: 150
$44.39 $56.59 -22%
Aurora Peat Products Procision Advantage, 3.8 cu ft bale
Out of stock
$44.36 $58.72 -24%
Primordial Solutions PaleoBloom, 5 gal
Out of stock
$44.19 $284.99 -84%
Down to Earth Feather Meal 12-0-0 | 20lb - OMRI Listed
In Stock: 42
$44.09 $69.99 -37%
Age Old Bloom, 1 gal
In Stock: 54
$43.98 $48.99 -10%
Age Old Kelp, 1 gal
In Stock: 31
$43.98 $48.99 -10%
Xtreme Tea Brews Individual Pouches, 80 g & Microbe Food Packs, 7 g (10 each)
In Stock: 108
$43.81 $63.99 -32%
Roots Organics Terp Tea Grow | 9lb - (Case of 3)
In Stock: 9
$43.62 $44.99 -3%
HDI MotherPlant Nutrients Part A | 1gal - (Case of 4)
In Stock: 8
$43.52 $49.07 -11%
Down to Earth Cottonseed Meal 6-2-1 | 50lb - All Purpose
In Stock: 104
$43.45 $84.99 -49%
Down to Earth Citrus Mix 6-3-3 | 25lb - OMRI Listed
In Stock: 72
$43.11 $57.89 -26%
Down to Earth Granular Humic Acids | 50lb - OMRI Listed
In Stock: 254
$43.07 $59.99 -28%
SUPERthrive Vitamin Solution 0.5-0-0 | 16oz
In Stock: 440
$42.84 $45.99 -7%
House & Garden Drip Clean, 1 L
In Stock: 577
$42.84 $63.00 -32%
Nectar for The Gods Poseidonzime Foliar Spray 0-0-0.5 | 1gal
In Stock: 20
$42.74 $69.99 -39%
Down to Earth Agmino Powder 14-0-0 | 5lb - (Case of 5)
In Stock: 5
$42.49 $95.29 -55%
Biobizz Top-Max, 1 L
In Stock: 70
$42.30 $62.20 -32%
BioBizz Top-Max 1L CA & OR only
In Stock: 47
$42.30 $62.20 -32%
DaKine 420 Sticky Icky Enzymes | 1,000g - (Case of 4)
In Stock: 16
$42.24 $168.99 -75%
Aphrodite's Extraction, 5 gal
In Stock: 10
$42.23 $248.49 -83%
Gaia Green All Purpose, 10 kg
In Stock: 573
$42.13 $56.10 -25%
Humboldt Nutrients Verde, 2.5 gal
Out of stock
$41.75 $244.99 -83%
Down to Earth Crab Meal 4-3-0 | 40lb - OMRI Listed
In Stock: 83
$41.66 $81.99 -49%
Down to Earth Bone Meal 3-15-0 | 25lb - OMRI Listed
In Stock: 99
$41.51 $58.29 -29%
Optic Foliar ATAK Concentrate, 24 L
In Stock: 13
$41.38 $303.99 -86%
Herculean Harvest, 2.5 gal
Out of stock
$41.32 $86.49 -52%
Roots Organics Terp Tea Bloom | 9lb - (Case of 3)
In Stock: 53
$41.18 $42.99 -4%
Grotek Heavy Bud Pro 1-0-3 | 4L - (Case of 4)
In Stock: 56
$41.15 $120.99 -66%
HDI Ionic Bloom for Soil Premium Plant Nutrient 2-2-5 | 1gal - (Case of 4)
In Stock: 32
$41.06 $46.24 -11%
HDI Ionic Grow for Soil Plant Nutrient 3-1-4 | 1gal - (Case of 4)
In Stock: 20
$41.06 $46.24 -11%
Nectar for The Gods Athena's Aminas 0.5-0-0 | 1gal
In Stock: 27
$40.94 $48.99 -16%
Nectar for The Gods Hygeia Hydration Yucca Extract | 1gal - (Case of 4)
Out of stock
$40.94 $48.99 -16%
Nectar for The Gods Medusa's Magic Soil Nutrient 2-5-2 | 1gal - (Case of 4)
Out of stock
$40.94 $48.99 -16%
Nectar for The Gods Mega Morpheus Guano Tea 0-2-0 | 1gal - (Case of 4)
In Stock: 4
$40.94 $48.99 -16%
GH General Organics BioBud Quart (Case of 12)
In Stock: 145
$40.76 $56.01 -27%
SUPERthrive Pure Neem Oil Organic Leaf Polish | 32oz - (Case of 12)
In Stock: 131
$40.68 $59.25 -31%
Roots Organics Terp Tea Grow, 9 lb
In Stock: 303
$40.39 $53.99 -25%
General Hydroponics Flora Series Trial Pack | 3pc - 32oz FloraMicro, 32oz FloraGro, and 32oz FloraBloom
In Stock: 268
$40.27
Down to Earth Soluble Root Growth Enhancer | 1lb - OMRI Listed - (Case of 6)
Out of stock
$40.19 $59.99 -33%
Down To Earth Fruit Tree 6-2-4 | 25lb - OMRI Listed
In Stock: 266
$40.16 $53.89 -25%
Down To Earth Rose & Flower Mix 4-8-4 | 25lb - OMRI Listed
In Stock: 126
$40.16 $53.89 -25%
Royal Gold Imperial Boost 0-15-11 | 10lb - (Case of 4)
In Stock: 39
$40.15 $48.24 -17%
HDI Clonex Rooting Gel | 250ml - Wide Mouth Bottle
In Stock: 849
$40.11 $48.02 -16%
Neptune's Harvest Seaweed Plant Food 0-0-1 | 1gal - Concentrate - Makes 128gal - OMRI Listed - (Case of 4)
In Stock: 24
$40.05 $49.49 -19%
Grotek Blossom Blaster, 130 g
In Stock: 2227
$40.05 $70.66 -43%
Down to Earth Alfalfa Meal 2.5-0.5-2.5 | 25lb - OMRI Listed
In Stock: 970
$39.99
Age Old Grow, 1 gal
In Stock: 45
$39.98 $48.99 -18%
Down to Earth Bat Guano 7-3-1 | 10lb - OMRI Listed
In Stock: 245
$39.94 $49.99 -20%
HDI Ionic Grow Plant Nutrient 3-1-5 | 1gal - (Case of 4)
In Stock: 73
$39.78 $46.24 -14%
Down to Earth Acid Mix 4-3-6 | 25lb - For Acid Soil Loving Plants
In Stock: 357
$39.56 $52.99 -25%
BioAg Ful-Power | 1 gal (ID,IL,IA,KS,MN,NE,OH,OK,OR)
In Stock: 7
$39.54 $52.99 -25%
HDI Ionic Bloom Plant Nutrient 3-2-6 | 1gal - (Case of 4)
In Stock: 80
$39.47 $46.24 -15%
FoxFarm Grow Big Hydro Liquid Concentrate, 2.5 gal
In Stock: 26
$39.45 $253.84 -84%
Royal Gold Crown Jewels Bloom 1-4-2 | 10lb - (Case of 4)
In Stock: 40
$39.41 $48.78 -19%
Royal Gold Crown Jewels Grow 3-2-2 | 10lb - (Case of 4)
In Stock: 104
$39.41 $48.78 -19%
Technaflora Recipe For Success Starter Kit
In Stock: 257
$39.39 $45.99 -14%
Remo Micro, 4 L
Out of stock
$39.28 $52.99 -26%
Remo Magnifical, 4 L
In Stock: 1
$39.28 $52.99 -26%
Down to Earth Starter Mix 3-3-3 | 25lb - OMRI Listed
Out of stock
$39.18 $51.79 -24%
Grotek Pro-Silicate, 4 L
In Stock: 748
$39.06 $46.99 -17%
Neptune's Harvest Fish Fertilizer 2-4-1 | 1gal - Concentrate - OMRI Listed - (Case of 4)
In Stock: 20
$38.91 $48.49 -20%
Botanicare Silica Blast 0-0-0.5 - 1gal
In Stock: 127
$38.80 $57.52 -33%
Soul LBS, 3 lb
In Stock: 143
$38.69 $52.46 -26%
Biobizz Acti-Vera 1L
In Stock: 93
$38.58 $51.58 -25%
Roots Organics Oregonism XL Root Growth Enhancer | 1lb - (Case of 12)
In Stock: 17
$38.50 $54.99 -30%
Grotek Vitamax Pro 1-1-1 | 4L - (Case of 4)
In Stock: 108
$37.64 $85.79 -56%
FoxFarm Grow Big Liquid Concentrate, 2.5 gal
Out of stock
$37.55 $241.57 -84%
FoxFarm Tiger Bloom Liquid Concentrate, 2.5 gal
In Stock: 1
$37.40 $241.61 -85%
Down To Earth Vegetable Garden 4-4-4 | 25lb - OMRI Listed
In Stock: 103
$37.22 $49.99 -26%
Down to Earth All-Purpose Mix 4-6-2 | 25lb - OMRI Listed
In Stock: 291
$37.22 $49.99 -26%
HYGROZYME Horticultural Horticulture Enzyme Formula | 1L (0.26gal)
In Stock: 36
$37.18 $39.00 -5%
House & Garden Aqua Flakes B, 5 L
In Stock: 215
$37.02 $49.48 -25%
House & Garden Soil A, 5 L
In Stock: 37
$37.02 $49.48 -25%
Plant Success Orca | 16oz
In Stock: 60
$36.98 $44.11 -16%
Orca Premium Liquid Mycorrhizae, 16 oz
In Stock: 39
$36.91 $43.99 -16%
SUPERthrive Root-Gel Rooting Gel | 8oz - (Case of 12)
Out of stock
$36.88 $51.99 -29%
House & Garden Multi Zen, 1 L
In Stock: 365
$36.86 $49.27 -25%
Grotek Insta-Green 3-0-0 | 4L - (Case of 4)
In Stock: 35
$36.84 $44.99 -18%
Botanicare Hydroplex Bloom 0-10-6 - 32oz
In Stock: 91
$36.75 $54.45 -33%
Plant Success Great White Premium Mycorrhizae | 4oz
In Stock: 364
$36.72 $45.16 -19%
Roots Organics Terp Tea Bloom, 9 lb
In Stock: 265
$36.72 $53.99 -32%
Down to Earth Liquid Bone Meal 0-12-0 | 1gal - (Case of 4)
Out of stock
$36.54 $48.99 -25%
Magnesium Sulfate Epsom Salts | 50lb (49/PL) - OMRI Listed
In Stock: 936
$36.52
Nectar for The Gods Olympus Up | 1gal - (Case of 4)
In Stock: 16
$36.43 $42.99 -15%
Roots Organics Uprising Foundation, 9 lbs
In Stock: 336
$36.35 $48.59 -25%
Roots Organics Uprising Grow, 9 lbs
In Stock: 243
$36.35 $48.59 -25%
DaKine 420 Atomic Root Powder | 1,000g - (Case of 4)
In Stock: 8
$36.24 $144.99 -75%
Down to Earth Fish Bone Meal 4-12-0 | 25lb - OMRI Listed
In Stock: 98
$36.24 $48.99 -26%
Technaflora B.C. Bloom, 4 L
In Stock: 98
$36.20 $47.99 -25%
Technaflora B.C. Boost, 4 L
In Stock: 172
$36.20 $52.99 -32%
CYCO 5L Kleanse (2/CS) - (Case of 2)
In Stock: 2
$36.03 $50.04 -28%
FoxFarm Bush Doctor Microbe Brew Microbial Inoculant 1-0.3-0.2 | 32oz - Concentrate
In Stock: 204
$35.99 $40.99 -12%
BioAg Ful-Power | 1 gal
In Stock: 124
$35.93 $52.99 -32%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 2.5gal - (Case of 2)
In Stock: 39
$35.90 $99.65 -64%
Big Foot Mycorrhizae Gold | 4oz
In Stock: 157
$35.72
Mad Farmer Oxygenator, 6 gal
In Stock: 213
$35.70 $209.99 -83%
HEAVY 16 Foliar, 32 oz
In Stock: 284
$35.69 $52.49 -32%
CYCO 5L Potash Plus (2/CS) - (Case of 2)
In Stock: 28
$35.59 $67.05 -47%
Roots Organics Rain, 1 qt
In Stock: 161
$35.47 $52.15 -32%
Technaflora Awesome Blossoms, 1 L
In Stock: 133
$35.47 $47.99 -26%
Grotek Blossom Blaster Pro 1-4-0 | 4L - (Case of 4)
In Stock: 52
$35.41 $104.29 -66%
Cutting Edge Solutions Micro, 1 gal
In Stock: 28
$35.25 $41.99 -16%
MegaPhos SP Phosphorus Solubilizing Microbe | 2oz - OMRI Listed
Out of stock
$35.24 $36.57 -4%
Cutting Edge Solutions Louder Powder Grow A (15-0-0), 5 lb Bag
In Stock: 80
$35.22 $49.99 -30%
Show other 128 products
Product filters
Free Shipping
In Stock
Nutrient Material
Price
$
–
$
  • $0
  • $44064
Shop Owner
Brand
    Show all (89)