0Cart

Nutrients & Supplements

Soil Amendments
Sort by:
Price: High to Low
Show:
128
Happy Frog Fruit & Flower Dry Fertilizer 50 lb bag
Out of stock
$99.07 $139.87 -29%
Mad Farmer Get Down, 1 qt, case of 12
In stock
$98.34 $138.59 -29%
Mad Farmer Get Up, 1 qt, case of 12
In stock
$98.34 $138.59 -29%
Roots Organics Uprising Bloom, 40 lbs
In stock
$98.22 $152.27 -35%
Roots Organics Uprising Foundation, 40 lbs
In stock
$98.22 $152.27 -35%
Big Foot Mycorrhizae Concentrate | 32oz
In stock
$98.00
Down to Earth Bio-Live 5-4-2 | 50lb - OMRI Listed
In stock
$97.60 $142.99 -32%
General Hydroponics FloraKleen - 6gal
In stock
$96.93 $167.75 -42%
FoxFarm Grow Big Hydroponic Fertilizer 3-2-6 | 1gal - Concentrate - (Case of 4)
In stock
$96.81 $117.99 -18%
FoxFarm Bush Doctor Sledgehammer | 1gal - OMRI Listed - (Case of 4)
In stock
$96.81 $117.99 -18%
MILLS VITALIZE 500ML
In stock
$96.75 $150.00 -36%
Aptus Ecozen, 1 L
Out of stock
$96.27 $149.25 -35%
Soul Sensei Bloom, 5 gal
In stock
$96.14 $149.06 -36%
Soul Sensei Grow, 5 gal
In stock
$96.14 $149.06 -36%
Down to Earth Blood Meal 12-0-0 | 50lb - OMRI Listed
In stock
$96.10 $176.99 -46%
Remo VeloKelp, 4 L
In stock
$96.10 $148.99 -35%
Roots Organics Extreme Serene | 1gal
In stock
$95.83 $114.99 -17%
House & Garden Top Shooter, 500 ml
In stock
$95.74 $134.95 -29%
South Cascade Organics SLF-100 | 1gal - OMRI Listed - (Case of 4)
In stock
$95.51 $135.99 -30%
Aptus Finaleboost, 1 L
Out of stock
$94.70 $139.81 -32%
DaKine 420 Advanced Growers Kit | 6, 300g - OMRI Listed
In stock
$94.58 $398.99 -76%
DaKine 420 Bio Minerals | 10,000g
In stock
$94.58 $398.99 -76%
Nectar for The Gods Aphrodite's Extraction Carbon 0-1-0 | 2.5gal - (Case of 2)
In stock
$94.49 $129.99 -27%
Nectar for The Gods Demeter's Destiny Liquid Calcium 0-0.5-0 | 2.5gal
In stock
$94.49 $129.99 -27%
General Hydroponics CALiMAGic 1-0-0 - 2.5gal
In stock
$93.99 $147.82 -36%
Grow More Mendocino 0-37-37, 25 lbs
In stock
$93.94 $120.99 -22%
FoxFarm Bush Doctor Boomerang, 1 gal
In stock
$93.90 $123.93 -24%
Plant Success King Crab, 32 oz
In stock
$93.86 $109.99 -15%
Big Time Enzyme, 2.5 gal
In stock
$93.64 $120.99 -23%
Roots Organics Uprising Grow, 40 lbs
In stock
$93.34 $144.71 -35%
Technaflora Pura Vida Bloom, 10 L
In stock
$93.14 $173.98 -46%
Growth Science Organics Humic Tonic, 2.5 gal
In stock
$92.24 $129.99 -29%
Emerald Harvest Cal-Mag, 2.5 gal - (Case of 2)
In stock
$92.22 $130.00 -29%
Grotek Cal-Max, 10 L
In stock
$92.21 $116.99 -21%
Grow More Water Soluble 10-52-10, 25 lbs
In stock
$92.03 $118.99 -23%
Roots Organics Super Phos Rock, 55 lbs
In stock
$91.95 $142.55 -35%
FoxFarm Bush Doctor Kangaroots, 1 gal
In stock
$91.93 $129.09 -29%
Down to Earth Granular Root Growth Enhancer | 5lb - OMRI Listed - (Case of 5)
Out of stock
$91.76 $136.99 -33%
Grotek Pro-Silicate, 10 L
In stock
$91.44 $115.99 -21%
House & Garden pH Osmosis Stabilizer, 60 L
In stock
$91.04 $1,012.20 -91%
General Hydroponics MaxiBloom 5-15-14 - 16lb
In stock
$90.31 $155.71 -42%
General Hydroponics MaxiGro 10-5-14 - 16lb
In stock
$90.31 $155.71 -42%
Technaflora B.C. Boost, 10 L
In stock
$90.20 $126.99 -29%
Aptus Peakboost, 1 L
In stock
$90.18 $139.81 -35%
Aphrodite's Extraction, 2.5 gal
In stock
$89.86 $139.49 -36%
Demeter's Destiny, 2.5 gal
Out of stock
$89.86 $139.49 -36%
Aptus MINERAL-CALMAG, 5 L
In stock
$89.80 $130.00 -31%
Mad Farmer Get Down, 1 gal, case of 4
In stock
$89.40 $125.99 -29%
Mad Farmer Get Up, 1 gal, case of 4
In stock
$89.40 $125.99 -29%
Nitryx SP Nitrogen Fixing Bacteria | 1lb - OMRI Listed
Out of stock
$89.11 $97.50 -9%
Grow More Mendocino Flower & Bloom 6-30-30, 25 lbs
In stock
$87.87 $113.99 -23%
General Hydroponics Diamond Nectar 0-1-1 - 2.5gal
In stock
$87.85 $137.65 -36%
Botanicare Cal-Mag Plus 2-0-0 | 2.5gal
In stock
$87.72 $137.10 -36%
FoxFarm Bush Doctor Liquid Iron Micro-Nutrient 1-0-0 | 1gal - OMRI Listed - (Case of 4)
In stock
$87.57 $176.99 -51%
Microbe Life Hydroponics Terps Plus, 1 gal
In stock
$87.51 $111.99 -22%
MILLS BASIS A 20LTR
In stock
$87.08 $135.00 -35%
MILLS BASIS B 20LTR
In stock
$87.08 $135.00 -35%
CYCO 5L Swell (2/CS) - (Case of 2)
In stock
$86.89 $134.15 -35%
Biomin Boron | 2.5gal - OMRI Listed
In stock
$86.83 $90.87 -4%
House & Garden Amino Treatment, 500 ml
In stock
$86.62 $122.09 -29%
Roots Organics Terp Tea Microbe Charge 9lb
In stock
$86.42 $101.51 -15%
Cutting Edge Solutions Plant Amp, 1 gal
In stock
$85.98 $103.99 -17%
Cutting Edge Solutions Uncle John's Blend, 1 gal (OREGON ONLY)
In stock
$85.98 $103.99 -17%
Roots Organics Nitro Bat Guano, 44 lbs
In stock
$85.68 $132.83 -35%
Rhizoflora Purpinator 0-2-4 - 1gal
In stock
$85.48
Grow More Sea Grow Flower and Bloom, 25 lbs
In stock
$85.08 $109.99 -23%
FoxFarm Bush Doctor Bemb Sweet & Dandy 0-1-3 | 1gal - Concentrate
In stock
$85.02 $104.99 -19%
Cutting Edge Solutions Mag-Amped, 1 gal
In stock
$84.42 $103.99 -19%
Nectar for The Gods Hades Down 0-1-0 | 2.5gal - (Case of 2)
In stock
$84.16 $145.99 -42%
Emerald Harvest Cal-Mag | 2.5gal
In stock
$83.85 $130.00 -36%
House & Garden Algen Extract, 1 L
In stock
$83.59 $117.81 -29%
Optic Foliar Watts, 1 L
In stock
$82.96 $116.99 -29%
Grotek Heavy Bud Pro 1-0-3 | 10L - (Case of 2)
In stock
$82.95 $257.39 -68%
FoxFarm Bush Doctor 1-0-0 Cal-Mag Supplement | 1gal - 3% Calcium - 0.9% Magnesium - OMRI Listed - (Case of 4)
In stock
$82.60 $104.99 -21%
Age Old Grow, 2.5 gal
In stock
$82.59 $96.99 -15%
Age Old Grow, 2.5 gal (OR)
In stock
$82.59 $96.99 -15%
Age Old Bloom, 2.5 gal
In stock
$82.59 $96.99 -15%
Grow More Soluble 6-30-30 Standard, 25 lbs
In stock
$82.30 $105.99 -22%
House & Garden Top Booster, 5 L
In stock
$82.07 $115.67 -29%
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 1gal - Concentrate - (Case of 4)
In stock
$81.54 $113.99 -28%
FoxFarm Grow Big Fertilizer 6-4-4 | 1gal - Concentrate
In stock
$81.44 $112.99 -28%
Roots Organics Terp Tea Microbe Charge | 9lb - (Case of 3)
In stock
$81.33 $96.99 -16%
SUPERthrive K-L-N Rooting Concentrate | 1gal - (Case of 4)
Out of stock
$81.19 $132.10 -39%
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 | 2lb Jar
In stock
$81.13 $97.99 -17%
FoxFarm Beastie Bloomz Fertilizer 0-50-30 | 2lb
In stock
$81.10 $97.99 -17%
Nectar for The Gods Poseidonzime Foliar Spray 0-0-0.5 | 2.5gal
In stock
$81.05 $139.99 -42%
Gaia Green Power Bloom, 20 kg
In stock
$80.97 $104.50 -23%
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 | 2lb Jar
In stock
$80.95 $97.99 -17%
FoxFarm Grow Big Liquid Concentrate, 1 gal
In stock
$80.24 $106.13 -24%
FoxFarm Tiger Bloom Liquid Concentrate, 1 gal
Out of stock
$80.23 $106.15 -24%
Soul Sensei Micro, 2.5 gal
In stock
$80.01 $112.76 -29%
House & Garden Soil A, 20 L
In stock
$79.97 $123.99 -36%
House & Garden Soil B, 20 L
In stock
$79.97 $123.99 -36%
General Hydroponics FloraPro Late Bloom 0-24-26 - 25lb
In stock
$79.89 $95.91 -17%
Down to Earth Kelp Meal 1-0.1-2 | 20lb - OMRI Listed
In stock
$79.43 $137.49 -42%
Rhizoflora Terpinator 0-0-4 - 2.5gal
In stock
$79.32 $127.92 -38%
Technaflora B.C. Bloom, 10 L
In stock
$79.32 $113.99 -30%
BioBizz Bio-Heaven 1L CA & OR only
In stock
$79.12 $111.50 -29%
Grotek Monster Grow Pro 18-36-1 | 2.5kg
In stock
$79.06 $244.99 -68%
FoxFarm Grow Big Hydro Liquid Concentrate, 1 gal
In stock
$79.01 $117.46 -33%
FoxFarm Bush Doctor Sledge Hammer, 1 gal
In stock
$79.01 $117.46 -33%
Botanicare Hydroplex Bloom 0-10-6 - 1gal
In stock
$78.91 $123.31 -36%
Nectar for The Gods Gaia Mania Supplement 1-5-1 | 2.5gal - (Case of 2)
In stock
$78.73 $107.99 -27%
Emerald Harvest Sturdy Stalk | 1gal
In stock
$78.69 $122.00 -36%
Emerald Harvest Sturdy Stalk, 1 gal
In stock
$78.69 $122.00 -36%
Mad Farmer Mother Of All Bloom, 5 lb (2.3 kg)
In stock
$78.56 $136.49 -42%
House & Garden Aqua Flakes A, 20 L
In stock
$78.41 $121.99 -36%
House & Garden Aqua Flakes B, 20 L
In stock
$78.41 $121.99 -36%
House & Garden Cocos A, 20 L
In stock
$78.41 $121.99 -36%
House & Garden Cocos B, 20 L
In stock
$78.41 $121.99 -36%
Cutting Edge Solutions Uncle John's Blend, 1 gal
In stock
$78.16 $103.99 -25%
Plant Success Organics Granular 3-1-2 | 5lb - Granules
In stock
$78.08 $104.67 -25%
Botanicare Silica Blast 0-0-0.5 - 2.5gal
In stock
$77.97 $122.37 -36%
Down to Earth Bat Guano 7-3-1 | 25lb - OMRI Listed
In stock
$77.13 $107.99 -29%
FoxFarm Cultivation Nation Cal-Mag, 2.5 gal
Out of stock
$77.12 $121.17 -36%
Microbe Life Plus-C, 1 gal (CA)
In stock
$76.64 $95.99 -20%
Microbe Life Photosynthesis Plus-O, 1 gal (OR)
Out of stock
$76.64 $95.99 -20%
HDI Ionic Bloom Plant Nutrient 3-2-6 | 2.5gal - (Case of 2)
In stock
$76.26 $99.65 -23%
Grotek Vitamax Pro 1-1-1 | 10L - (Case of 2)
In stock
$75.88 $170.39 -55%
Roots Organics Phos Rock, 55 lb
Out of stock
$75.86 $118.80 -36%
Mad Farmer Cal+Mag, 2.5 gal
In stock
$75.72 $117.08 -35%
Grotek Vitamax Pro, 4 L
In stock
$75.58 $105.46 -28%
HYCLEAN Line & Equipment Cleaner for Irrigation Systems | 4L (1.05gal) - Non-Toxic - (Case of 4)
In stock
$75.53 $89.04 -15%
Optic Foliar REV, 1 L
In stock
$75.41 $116.99 -36%
Optic Foliar Transport, 1 L
In stock
$75.41 $116.99 -36%
BioBizz Starters Pack CA & OR only
In stock
$75.19 $105.99 -29%
FoxFarm Beastie Bloomz, 2 lbs
In stock
$74.92 $103.25 -27%
FoxFarm Cha Ching, 2 lbs
In stock
$74.91 $103.25 -27%
Show other 128 products
Product filters
Free Shipping
In Stock
Nutrient Material
Price
$
–
$
  • $1
  • $41796
Shop Owner
Brand
    Show all (90)