0Cart

Nutrients & Supplements

Soil Amendments
Sort by:
Price: High to Low
Show:
128
Save 17%
Mother Earth Season's Choice Tomato & Vegetable Mix 4-5-6 - 4.4lb
In stock
$13.94 $16.88 -17%
Save 17%
Mother Earth Acid Drop for Acid -Loving Plants 3-4-6 - 4.4lb
In stock
$13.94 $16.88 -17%
House & Garden Aqua Flakes B, 1 L
In stock
$13.92 $20.24 -31%
House & Garden Cocos A, 1 L
In stock
$13.92 $20.24 -31%
House & Garden Cocos B, 1 L
In stock
$13.92 $20.24 -31%
Save 10%
SUPERthrive, 4 oz
In stock
$13.89 $15.49 -10%
Mother Earth Floressence Bloom Supplement 1-1-1 - 32oz
In stock
$13.88 $32.53 -57%
Roots Organics Nitro Bat Guano, 3 lbs
In stock
$13.86 $18.34 -24%
Save 19%
Roots Organics Terp Tea Bloom | 3lb - (Case of 3)
In stock
$13.84 $16.99 -19%
Save 19%
Roots Organics Terp Tea Grow | 3lb - (Case of 3)
Out of stock
$13.84 $16.99 -19%
Down to Earth Liquid Calcium 5% | 32oz - OMRI Listed - (Case of 10)
In stock
$13.80 $22.79 -39%
Grotek Vital 5% Calcium | 1L - (Case of 6)
In stock
$13.64 $37.97 -64%
Emerald Harvest Micro, 1 qt
In stock
$13.51 $18.00 -25%
Mad Farmer Cal+Mag, 1 qt
In stock
$13.50 $21.62 -38%
Down to Earth Alfalfa Meal 2.5-0.5-2.5 | 4lb - OMRI Listed
In stock
$13.49
General Hydroponics FloraNova Grow 7-4-10 - 16oz
In stock
$13.48 $21.86 -38%
General Hydroponics FloraNova Bloom 4-8-7 - 16oz
In stock
$13.48 $21.86 -38%
Growth Science Organics Root Magic, 1 qt
In stock
$13.45 $44.99 -70%
Cultivation Nation Grow 1 qt
Out of stock
$13.45 $18.79 -28%
Remo Grow, 1 L
In stock
$13.44 $20.99 -36%
FoxFarm Bush Doctor Microbe Brew Microbial Inoculant 1-0.3-0.2 | 16oz - Concentrate
In stock
$13.39 $20.99 -36%
Down to Earth Langbeinite 0-0-22 | 5lb - OMRI Listed - (Case of 6)
In stock
$13.35 $19.59 -32%
Grotek Rype 3-0-0 | 1L - (Case of 6)
In stock
$13.34 $37.15 -64%
MICROBE Life Hydroponics Foliar Spray & Root Dip | 16oz - (Case of 12)
In stock
$13.32 $26.99 -51%
General Hydroponics MaxiBloom 5-15-14 - 2.2lb
In stock
$13.22 $21.51 -39%
General Hydroponics MaxiGro 10-5-14 - 2.2lb
In stock
$13.22 $21.51 -39%
HDI MotherPlant Nutrients Part A | 32oz
In stock
$13.19 $17.78 -26%
HDI MotherPlant Nutrients Part B | 32oz
In stock
$13.19 $17.78 -26%
Cutting Edge Solutions Micro, 1 qt
In stock
$13.18 $16.99 -22%
Bushdoctor Sledgehammer 1 pt
Out of stock
$13.18 $20.15 -35%
Down to Earth Blood Meal 12-0-0 | 4lb - OMRI Listed - (Case of 6)
In stock
$13.04 $23.49 -44%
Save 13%
Gaia Green Super Fly, 750 g Pouch
In stock
$13.02 $14.99 -13%
General Hydroponics FloraMicro 5-0-1 - 32oz
In stock
$13.01 $21.13 -38%
House & Garden Multi Zen, 250 ml
In stock
$13.00 $18.89 -31%
Nectar for The Gods Gaia Mania Supplement 1-5-1 | 32oz
Out of stock
$12.98 $17.99 -28%
Nectar for The Gods Persephone's Palate | 32oz
In stock
$12.98 $17.99 -28%
SUPERthrive Pure Neem Oil Organic Leaf Polish | 8oz - (Case of 12)
In stock
$12.88 $20.76 -38%
Roots Organics Terp Tea Bloom, 3 lb
In stock
$12.82 $20.51 -37%
Roots Organics Terp Tea Grow, 3 lb
In stock
$12.82 $20.51 -37%
Grotek Final Flush | 4L - Regular - (Case of 4)
In stock
$12.81 $46.29 -72%
FoxFarm Bush Doctor Kangaroots Root Drench Inoculant 0.8-0.1-0.03 | 16oz - Concentrate
In stock
$12.80 $19.99 -36%
Roots Organics Uprising Bloom | 3lb - (Case of 3)
In stock
$12.78 $15.99 -20%
Roots Organics Uprising Foundation | 3lb - (Case of 3)
In stock
$12.78 $15.99 -20%
Roots Organics Uprising Grow | 3lb - (Case of 3)
In stock
$12.78 $15.99 -20%
Key Grow Solutions Blue Butterfly 6-4-5 | 1gal - (Case of 4)
In stock
$12.76 $69.99 -82%
Emerald Harvest Cali Pro Grow B, 1 qt
In stock
$12.75 $17.00 -25%
House & Garden Aqua Flakes A, 1 L
In stock
$12.65 $20.24 -38%
House & Garden Soil A, 1 L
In stock
$12.65 $20.24 -38%
House & Garden Soil B, 1 L
In stock
$12.65 $20.24 -38%
DaKine 420 Nitro Nutrients Bloom | 1,000g - (Case of 4)
In stock
$12.64 $54.99 -77%
DaKine 420 CalMag | 1,000g - (Case of 4)
In stock
$12.64 $54.99 -77%
DaKine 420 Foliar Science | 1,000g - (Case of 4)
In stock
$12.64 $54.99 -77%
DaKine 420 Nitro Nutrients Grow | 1,000g - (Case of 4)
In stock
$12.64 $54.99 -77%
Save 18%
HYCLEAN Line & Equipment Cleaner for Irrigation Systems | 500mL(16.9oz) - Non-Toxic
In stock
$12.62 $15.36 -18%
Down to Earth Bio-Live 5-4-2 | 5lb - OMRI Listed - (Case of 6)
In stock
$12.52 $19.49 -36%
FoxFarm Bush Doctor Sledgehammer | 16oz -OMRI Listed
In stock
$12.50 $19.99 -37%
FoxFarm Bush Doctor Wholly Mackerel, 1 pt
Out of stock
$12.50 $22.48 -44%
Happy Frog Cavern Culture Dry Fertilizer 4 lb bag
Out of stock
$12.44 $21.45 -42%
FoxFarm Bush Doctor Bemb Sweet & Dandy 0-1-3 | 16oz - Concentrate
In stock
$12.40 $22.99 -46%
Save 14%
SUPERthrive Vitamin Solution 4-1-1 Plant Food | 32oz - Concentrate - (Case of 8)
In stock
$12.35 $14.29 -14%
FoxFarm Grow Big Hydro Liquid Concentate, 1 pt
In stock
$12.28 $19.66 -38%
Cultivation Nation Bloom 1 qt
Out of stock
$12.22 $18.79 -35%
Nectar for the Gods Persephone's Palate, 1 qt
Out of stock
$12.15 $19.49 -38%
Roots Organics Uprising Bloom, 3 lbs
In stock
$12.15 $19.43 -37%
FoxFarm Bush Doctor Boomerang Comeback Formula 2-0.2-0.3 | 16oz
In stock
$12.12 $18.99 -36%
Save 19%
SUPERthrive Vitamin Solution 0.5-0-0 | 4oz
In stock
$12.01 $14.89 -19%
Roots Organics Nitro Bat Guano | 3lb - (Case of 3)
In stock
$11.96 $14.99 -20%
FoxFarm Happy Frog Cavern Culture Fertilizer 1-12-0 | 4lb - OMRI Listed - (Case of 12)
In stock
$11.94 $19.99 -40%
Grotek Bud Fuel Pro 1-3-4 | 1L - (Case of 6)
In stock
$11.90 $37.99 -69%
BushDoctor Kelp Me Kelp You Pt (12/cs)
Out of stock
$11.90 $20.90 -43%
FoxFarm Grow Big Hydroponic Fertilizer 3-2-6 | 16oz - Concentrate
In stock
$11.89 $21.99 -46%
FoxFarm Bush Doctor Wholly Mackerel Fertilizer 3-1-0 | 16oz - Concentrate
In stock
$11.88 $21.99 -46%
FoxFarm Bush Doctor Cal-Mag, 1 pt
In stock
$11.85 $17.38 -32%
Cutting Edge Solutions Bloom, 1 qt
In stock
$11.79 $16.99 -31%
Happy Frog Acid Loving Dry Fertilizer 4 lb bag
Out of stock
$11.79 $17.18 -31%
Happy Frog Citrus/Avocado Dry Fertilizer 4 lb bag
Out of stock
$11.79 $17.18 -31%
Down to Earth Vegan Mix 3-2-2 | 5lb - OMRI Listed - (Case of 6)
Out of stock
$11.74 $17.29 -32%
Down To Earth Tree & Shrub 4-2-4 | 5lb - (Case of 6)
Out of stock
$11.74 $16.69 -30%
FoxFarm Cultivation Nation Grow 2-1-6 | 32oz
In stock
$11.72 $18.99 -38%
FoxFarm Cultivation Nation Bloom 0-5-4 | 32oz
In stock
$11.72 $18.99 -38%
Growth Science Nutrients Rock Solid, 1 qt
In stock
$11.72 $24.99 -53%
Save 17%
Grotek Final Flush, 1 L
In stock
$11.71 $14.06 -17%
True Organic All-Purpose Plant Food 5-4-5 | 8lb - Resealable Bag - Covers up to 174sq ft - OMRI Listed - (Case of 4)
In stock
$11.70 $16.99 -31%
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
$11.70 $16.99 -31%
Down to Earth Garden Gypsum | 5lb - OMRI Listed - (Case of 6)
In stock
$11.69
Botanicare Pure Blend Tea 0.5-0.5-1 - 32oz
In stock
$11.64 $18.85 -38%
Down to Earth Starter Mix 3-3-3 | 5lb - OMRI Listed - (Case of 6)
Out of stock
$11.58 $16.49 -30%
Big Foot Mycorrhizae Granular | 4oz
In stock
$11.54
True Organic All-Purpose Plant Food 5-4-5 | 4.5lb - Shaker Jug - Covers up to 100sq ft - OMRI Listed - (Case of 6)
In stock
$11.44 $15.99 -28%
True Organic Tomato & Vegetable Food 4-5-6 | 4.5lb - Shaker Jug - Use Monthly - Covers up to 88sq ft - OMRI Listed - (Case of 6)
In stock
$11.44 $15.99 -28%
Nectar for The Gods Athena's Aminas 0.5-0-0 | 32oz
In stock
$11.42 $15.99 -29%
Nectar for The Gods Hygeia Hydration Yucca Extract | 32oz
Out of stock
$11.42 $15.99 -29%
Nectar for The Gods Medusa's Magic Soil Nutrient 2-5-2 | 32oz
In stock
$11.42 $15.99 -29%
Nectar for The Gods Mega Morpheus Guano Tea 0-2-0 | 32oz
In stock
$11.42 $15.99 -29%
Nectar for The Gods Pegasus Potion Feather Tea 1-2-0 | 32oz
In stock
$11.42 $15.99 -29%
Nectar for The Gods The Kraken Crab & Shrimp 0-4-0 | 32oz
In stock
$11.42 $15.99 -29%
FoxFarm Cultivation Nation Cal-Mag | 32oz
In stock
$11.38 $19.99 -43%
FoxFarm Happy Frog Tomato & Vegetable Fertilizer, 4 lb bag
In stock
$11.38 $16.70 -32%
MYKE Vegetable & Herb Growth Enhancer | 0.9qt - OMRI Listed - (Pallet of 36)
In stock
$11.34 $17.99 -37%
Grotek Pro-Silicate 0-0-4 | 1L - (Case of 6)
Out of stock
$11.32 $16.49 -31%
FoxFarm Bush Doctor Kelp Me Kelp You 0.5-0-0.5 | 16oz - Concentrate - OMRI Listed
In stock
$11.30 $19.99 -43%
Down to Earth Feather Meal 12-0-0 | 4lb - OMRI Listed - (Case of 6)
In stock
$11.29 $19.99 -44%
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 16oz - Concentrate
In stock
$11.28 $16.99 -34%
DaKine 420 Bio Minerals | 1,000g - (Case of 4)
Out of stock
$11.26 $48.99 -77%
Emerald Harvest Micro | 32oz
In stock
$11.25 $18.00 -38%
FoxFarm Grow Big Fertilizer 6-4-4 | 16oz - Concentrate
In stock
$11.25 $18.99 -41%
Save 17%
Grotek Insta-Green, 1 L
In stock
$11.24 $13.48 -17%
Save 17%
Black Gold Earthworm Castings Blend | 8q t- OMRI Listed - (Case of 4)
In stock
$11.18 $13.39 -17%
Save 16%
Miracle-Gro Performance Organics All Purpose Plant Nutrition | 1lb - Bag - Powder - OMRI Listed - (Case of 6)
In stock
$11.15 $13.29 -16%
Grotek Heavy Bud Pro 1-0-3 | 1L - (Case of 6)
In stock
$11.14 $35.59 -69%
Botanicare Clearex Rinsing Solution - 32ozl
In stock
$11.05 $17.86 -38%
Grotek Vital, 1 L
In stock
$11.00 $42.41 -74%
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer | 15lb - OMRI Listed
In stock
$10.99 $18.89 -42%
Neptune's Harvest Seaweed Plant Food 0-0-1 | 16oz - Concentrate - Makes 16gal - OMRI Listed - (Case of 12)
In stock
$10.95 $16.99 -36%
Great White Premium Mycorrhizae, 1 oz
In stock
$10.95 $15.99 -32%
Down to Earth Bone Meal 3-15-0 | 5lb - OMRI Listed - (Case of 6)
In stock
$10.90 $18.99 -43%
Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1 | 18oz - Concentrate - OMRI Listed - (Case of 12)
Out of stock
$10.90 $16.99 -36%
Cultivation Nation Cal-Mag Quart
Out of stock
$10.88 $20.10 -46%
Plant Success Great White Premium Mycorrhizae | 1oz
In stock
$10.81 $14.93 -28%
Medusa's Magic, 1 qt
In stock
$10.80 $17.49 -38%
Mega Morpheus, 1 qt
In stock
$10.80 $17.49 -38%
Pegasus Potion, 1 qt
In stock
$10.80 $17.49 -38%
The Kraken, 1 qt
In stock
$10.80 $17.49 -38%
Nectar for The Gods Olympus Up | 32oz
In stock
$10.68 $14.99 -29%
Emerald Harvest Cali Pro Grow A 3-0-0 | 32oz
In stock
$10.62 $17.00 -38%
Emerald Harvest Cali Pro Grow B 2-2-5 | 32oz
In stock
$10.62 $17.00 -38%
Emerald Harvest Cali Pro Bloom A 3-0-3 | 32oz
In stock
$10.62 $17.00 -38%
Emerald Harvest Cali Pro Bloom B 1-4-6 | 32oz
In stock
$10.62 $17.00 -38%
Show another 128 products
Product filters
Free Shipping
In Stock
Nutrient Material
Price
$
–
$
  • $1
  • $40500
Shop Owner
Brand
    Show all (92)