0Cart

Nutrients & Supplements

Soil Amendments
Sort by:
Price: High to Low
Show:
128
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 | 1lb Jar
In stock
$45.96 $55.99 -18%
Roots Organics Oregonism XL Root Growth Enhancer | 1lb - (Case of 12)
In stock
$45.77 $54.99 -17%
HEAVY 16 Prime, 32 oz
In stock
$45.70 $70.87 -36%
House & Garden Bud-XL, 1 L
In stock
$45.59 $64.26 -29%
Down to Earth Cottonseed Meal 6-2-1 | 50lb - All Purpose
In stock
$45.56 $84.99 -46%
Emerald Harvest Root Wizard | 32oz (OR)
In stock
$45.56 $96.00 -53%
House & Garden Commercial Bloom, 5 lbs Pouch
In stock
$45.47 $60.00 -24%
House & Garden Commercial Grow, 5 lbs Pouch
In stock
$45.47 $60.00 -24%
Rhizoflora Terpinator 0-0-4 - 1gal
In stock
$45.33 $73.22 -38%
Emerald Harvest Cal-Mag | 1gal
In stock
$45.15 $70.00 -36%
Emerald Harvest Cal-Mag, 1 gal
In stock
$45.15 $70.00 -36%
Grow More Mendocino Avalanche, 1 gal
In stock
$45.15 $69.99 -35%
Mr. B's Green Trees Azospirillum Super Concentrate, 1 lb
In stock
$44.89 $69.60 -36%
House & Garden Drip Clean, 1 L
In stock
$44.70 $63.00 -29%
Roots Organics HP2 | 1gal - (Case of 4)
In stock
$44.66 $52.99 -16%
Down to Earth Liquid Calcium 5% | 1gal - OMRI Listed - Makes 128 Gallons - (Case of 4)
Out of stock
$44.63 $62.99 -29%
Down to Earth Liquid All-Purpose 4-1-3 | 1gal - (Case of 4)
Out of stock
$44.63 $63.99 -30%
CYCO Platinum Series Silica 0-0-3 - 5L
In stock
$44.60 $69.89 -36%
Aphrodite's Extraction, 1 gal
In stock
$44.58 $69.49 -36%
Demeter's Destiny, 1 gal
In stock
$44.58 $69.49 -36%
Down to Earth Agmino Powder 14-0-0 | 5lb - (Case of 5)
In stock
$44.54 $95.29 -53%
Sustane 4-6-4 All-Purpose Fertilizer | 50lb - OMRI Listed
In stock
$44.40 $46.47 -4%
Grotek Rype 3-0-0 | 4L - (Case of 4)
In stock
$44.38 $119.79 -63%
Roots Organics Bio Force, 1 lb
In stock
$44.30 $57.22 -23%
Grotek Gro-Silic, 500 ml
In stock
$44.26 $51.99 -15%
Roots Organics Ancient Amber, 1 gal
In stock
$44.26 $62.36 -29%
Mad Farmer Mother Of All Bloom, 1 kg
In stock
$44.21 $91.02 -51%
Biobizz Top-Max, 1 L
In stock
$44.13 $62.20 -29%
BioBizz Root-Juice 1L
In stock
$44.08 $68.34 -35%
HEAVY 16 Fire, 16 oz
In stock
$44.01 $68.24 -36%
HEAVY 16 Fire, 16 oz (OR Only)
In stock
$44.01 $68.24 -36%
HEAVY 16 Roots, 16 oz
In stock
$44.01 $68.24 -36%
General Hydroponics Diamond Nectar 0-1-1 - 1gal
In stock
$43.95 $68.90 -36%
Roots Organics HP2 0-4-0, 1 gal
In stock
$43.86 $68.03 -36%
Gaia Green Power Bloom, 10 kg
In stock
$43.83 $57.19 -23%
Cutting Edge Solutions Cal-Mag Amplified, 1 gal
In stock
$43.82 $61.99 -29%
Down to Earth Crab Meal 4-3-0 | 40lb - OMRI Listed
In stock
$43.68 $81.99 -47%
Grotek Cal Max 2-0-0 | 10L - (Case of 2)
In stock
$43.64 $134.99 -68%
Soul Big Swell, 1 qt
In stock
$43.43 $67.32 -35%
Gaia Green Worm Castings, 30L
In stock
$43.31 $55.99 -23%
Grotek Gro-Silic, 4 L
In stock
$43.29 $232.99 -81%
Technaflora Thrive Alive B1 Red, 1 L
In stock
$43.28 $59.99 -28%
Grotek Pro-Silicate 0-0-4 | 10L - (Case of 2)
In stock
$43.27 $133.99 -68%
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 | 1lb Jar
In stock
$43.02 $52.99 -19%
FoxFarm Beastie Bloomz Fertilizer 0-50-30 | 1lb
In stock
$43.02 $52.99 -19%
Grotek Bloom Pack
In stock
$42.65 $132.39 -68%
CYCO 5L Uptake (2/CS) - (Case of 2)
In stock
$42.58 $66.11 -36%
Remo Grow, 10 L
In stock
$42.57 $99.00 -57%
Mother Earth LiquiCraft Grow 4-3-3 - 1gal
In stock
$42.29 $66.22 -36%
Budswel, 1 gal
In stock
$42.17 $54.99 -23%
Budswel, 1 gal (CA Only)
In stock
$42.17 $54.99 -23%
Cultivation Nation Cal-Mag Gallon
Out of stock
$42.12 $68.09 -38%
Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1 | 142oz - Concentrate - OMRI Listed - (Case of 4)
In stock
$42.11 $56.59 -26%
Aurora Peat Products Procision Advantage, 3.8 cu ft bale
In stock
$42.08 $106.15 -60%
Xtreme Gardening Azos Root Booster | 12oz - (Case of 6)
In stock
$42.07 $53.77 -22%
Down to Earth Granular Humic Acids | 50lb - OMRI Listed
In stock
$41.82 $64.99 -36%
Age Old Grow, 1 gal
In stock
$41.72 $48.99 -15%
Age Old Kelp, 1 gal
In stock
$41.72 $48.99 -15%
Down to Earth Soluble Root Growth Enhancer | 1lb - OMRI Listed - (Case of 6)
Out of stock
$41.71 $59.99 -30%
Down to Earth Feather Meal 12-0-0 | 20lb - OMRI Listed
In stock
$41.62 $69.99 -41%
Xtreme Tea Brews Individual Pouches, 80 g & Microbe Food Packs, 7 g (10 each)
In stock
$41.55 $63.99 -35%
House & Garden Nitrogen Boost, 1 L
In stock
$41.45 $64.26 -35%
Gaia Mania, 1 gal
In stock
$41.38 $58.49 -29%
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 1gal - The Silicon Solution - (Case of 4)
In stock
$41.36 $67.63 -39%
House & Garden Commercial CalMag, 5 lbs Pouch
In stock
$41.28 $55.00 -25%
Maxicrop Soluble Seaweed Powder 0-0-17 | 27oz - OMRI Listed - (Case of 6)
In stock
$40.94 $56.99 -28%
Roots Organics Ancient Amber | 1gal - (Case of 4)
In stock
$40.85 $48.99 -17%
House & Garden Algen Extract, 500 ml
In stock
$40.75 $63.19 -36%
SUPERthrive Vitamin Solution 0.5-0-0 | 16oz
In stock
$40.64 $45.99 -12%
FoxFarm Cultivation Nation Micro, 1 gal
Out of stock
$40.56 $54.85 -26%
Nectar for The Gods Poseidonzime Foliar Spray 0-0-0.5 | 1gal
In stock
$40.54 $69.99 -42%
Down to Earth Starter Mix 3-3-3 | 25lb - OMRI Listed
Out of stock
$40.47 $51.79 -22%
Snow Storm Ultra, 1 qt
In stock
$40.43 $54.99 -26%
Soul LBS, 3 lb
In stock
$40.38 $52.46 -23%
BioAG Ful-Humix | 2.2lb - OMRI Listed - (Case of 4)
Out of stock
$40.35 $57.42 -30%
Botanicare Cal-Mag Plus 2-0-0 | 1gal
In stock
$40.24 $62.90 -36%
General Hydroponics CALiMAGic 1-0-0 - 1gal
In stock
$40.12 $62.93 -36%
BioBizz Top-Max 1L CA & OR only
In stock
$40.12 $62.20 -35%
DaKine 420 Sticky Icky Enzymes | 1,000g - (Case of 4)
In stock
$40.07 $168.99 -76%
Down to Earth Alfalfa Meal 2.5-0.5-2.5 | 25lb - OMRI Listed
In stock
$39.99
Gaia Green All Purpose, 10 kg
In stock
$39.96 $56.10 -29%
Down to Earth Bio-Fish 7-7-2 | 25lb - OMRI Listed
In stock
$39.95 $58.99 -32%
Nectar for The Gods Gaia Mania Supplement 1-5-1 | 1gal - (Case of 4)
In stock
$39.38 $53.99 -27%
Nectar for The Gods Persephone's Palate | 1gal - (Case of 4)
Out of stock
$39.38 $53.99 -27%
Grotek Heavy Bud Pro 1-0-3 | 4L - (Case of 4)
In stock
$39.04 $120.99 -68%
FoxFarm Cha Ching, 1 lb
In stock
$39.04 $59.35 -34%
Royal Gold Crown Jewels Bloom 1-4-2, 10 lb
In stock
$39.01 $45.79 -15%
SUPERthrive, 1 pt
In stock
$38.91 $50.49 -23%
Humboldt County's Own Sonic Bloom, 1 lb
In stock
$38.70 $49.99 -23%
MILLS START 1 LTR
In stock
$38.70 $60.00 -36%
FoxFarm Beastie Bloomz, 1 lb
In stock
$38.12 $59.35 -36%
Neptune's Harvest Seaweed Plant Food 0-0-1 | 1gal - Concentrate - Makes 128gal - OMRI Listed - (Case of 4)
In stock
$37.99 $49.49 -23%
Grotek Blossom Blaster, 130 g
In stock
$37.99 $70.66 -46%
Age Old Bloom, 1 gal
In stock
$37.93 $48.99 -23%
Down to Earth Bat Guano 7-3-1 | 10lb - OMRI Listed
In stock
$37.89 $49.99 -24%
HDI MotherPlant Nutrients Part A | 1gal - (Case of 4)
In stock
$37.55 $49.07 -23%
BioAg Ful-Power | 1 gal
In stock
$37.50 $52.99 -29%
BioAg Ful-Power | 1 gal (ID,IL,IA,KS,MN,NE,OH,OK,OR)
In stock
$37.50 $52.99 -29%
Roots Organics Terp Tea Grow | 9lb - (Case of 3)
In stock
$37.47 $44.99 -17%
Technaflora Recipe For Success Starter Kit
In stock
$37.36 $45.99 -19%
Remo Micro, 4 L
In stock
$37.26 $52.99 -30%
Down to Earth Citrus Mix 6-3-3 | 25lb - OMRI Listed
In stock
$37.16 $54.99 -32%
CYCO 5L Potash Plus (2/CS) - (Case of 2)
In stock
$37.15 $67.05 -45%
Roots Organics Rain, 1 qt
In stock
$37.01 $52.15 -29%
Neptune's Harvest Fish Fertilizer 2-4-1 | 1gal - Concentrate - OMRI Listed - (Case of 4)
In stock
$36.91 $48.49 -24%
Roots Organics Terp Tea Bloom | 9lb - (Case of 3)
In stock
$36.89 $42.99 -14%
Athena's Aminas, 1 gal
In stock
$36.78 $51.99 -29%
Pegasus Potion, 1 gal
In stock
$36.78 $51.99 -29%
HDI Clonex Rooting Gel | 250ml - Wide Mouth Bottle
In stock
$36.75 $48.02 -23%
Biobizz Acti-Vera 1L CA & OR only
In stock
$36.60 $51.58 -29%
Biobizz Acti-Vera 1L
In stock
$36.60 $51.58 -29%
SUPERthrive Pure Neem Oil Organic Leaf Polish | 32oz - (Case of 12)
In stock
$36.55 $59.25 -38%
Down to Earth Starter Mix 3-3-3 | 50lb - OMRI Listed
In stock
$36.42 $102.29 -64%
Grotek Monster Bloom, 500 g
In stock
$36.26 $45.99 -21%
Grotek Monster Grow Pro, 500 g
In stock
$36.26 $45.99 -21%
GH General Organics BioBud Quart (Case of 12)
In stock
$36.13 $52.35 -31%
Great White Premium Mycorrhizae, 4 oz
In stock
$35.87 $44.99 -20%
Big Foot Mycorrhizae Gold | 4oz
In stock
$35.72
Grotek Vitamax Pro 1-1-1 | 4L - (Case of 4)
In stock
$35.71 $85.79 -58%
Down to Earth Bone Meal 3-15-0 | 25lb - OMRI Listed
In stock
$35.69 $51.99 -31%
FoxFarm Cultivation Nation pH DOWN, 1 pint, case of 12
In stock
$35.53 $144.40 -75%
Nectar for The Gods Athena's Aminas 0.5-0-0 | 1gal
Out of stock
$35.41 $48.99 -28%
Nectar for The Gods Hygeia Hydration Yucca Extract | 1gal - (Case of 4)
Out of stock
$35.41 $48.99 -28%
Nectar for The Gods Medusa's Magic Soil Nutrient 2-5-2 | 1gal - (Case of 4)
In stock
$35.41 $48.99 -28%
Nectar for The Gods Mega Morpheus Guano Tea 0-2-0 | 1gal - (Case of 4)
In stock
$35.41 $48.99 -28%
Nectar for The Gods The Kraken Crab & Shrimp 0-4-0 | 1gal - (Case of 4)
Out of stock
$35.41 $48.99 -28%
HDI Ionic Bloom Plant Nutrient 3-2-6 | 1gal - (Case of 4)
In stock
$35.38 $46.24 -23%
HDI Ionic Grow Plant Nutrient 3-1-5 | 1gal - (Case of 4)
In stock
$35.38 $46.24 -23%
Show other 128 products
Product filters
Free Shipping
In Stock
Nutrient Material
Price
$
–
$
  • $1
  • $41796
Shop Owner
Brand
    Show all (90)