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Nutrients & Supplements

Soil Amendments
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128
FoxFarm Bush Doctor Kangaroots, 1 gal
In stock
$98.34 $129.09 -24%
FOOP CANNA Veg 1 Organic Nutrients 0-0-1 | 5gal - CDFA and OMRI Listed
In stock
$97.94 $239.99 -59%
Aptus Fasilitor, 500 ml
In stock
$97.86 $176.00 -44%
Save 16%
Grotek Pro-Silicate, 10 L
In stock
$97.81 $115.99 -16%
Save 17%
Nectar for the Gods One Shot Granules, 50 lb
Out of stock
$97.69 $117.99 -17%
House & Garden pH Osmosis Stabilizer, 60 L
In stock
$97.39 $1,012.20 -90%
General Hydroponics MaxiBloom 5-15-14 - 16lb
In stock
$96.61 $155.71 -38%
General Hydroponics MaxiGro 10-5-14 - 16lb
In stock
$96.61 $155.71 -38%
Technaflora B.C. Boost, 10 L
In stock
$96.49 $126.99 -24%
FoxFarm Bush Doctor Boomerang Comeback Formula 2-0.2-0.3 | 1gal
In stock
$96.17 $127.99 -25%
Aptus MINERAL-CALMAG, 5 L
In stock
$96.06 $130.00 -26%
Mad Farmer Get Down, 1 gal, case of 4
In stock
$95.63 $125.99 -24%
Mad Farmer Get Up, 1 gal, case of 4
In stock
$95.63 $125.99 -24%
Down to Earth Feather Meal 12-0-0 | 50lb - OMRI Listed
In stock
$95.45 $129.99 -27%
FoxFarm Bush Doctor Kangaroots Root Drench Inoculant 0.8-0.1-0.03 | 1gal - Concentrate
In stock
$94.38 $125.99 -25%
Save 18%
Grow More Mendocino Flower & Bloom 6-30-30, 25 lbs
In stock
$94.01 $113.99 -18%
General Hydroponics Diamond Nectar 0-1-1 - 2.5gal
In stock
$93.98 $137.65 -32%
Botanicare Cal-Mag Plus 2-0-0 - 2.5gal
In stock
$93.84 $137.10 -32%
Save 16%
Microbe Life Hydroponics Terps Plus, 1 gal
In stock
$93.62 $111.99 -16%
Save 18%
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 1gal - Concentrate
In stock
$93.43 $113.99 -18%
Save 17%
FoxFarm Grow Big Fertilizer 6-4-4 | 1gal - Concentrate
In stock
$93.32 $112.99 -17%
FoxFarm Grow Big Hydro® Liquid Concentrate, 1 gal
In stock
$92.98 $117.46 -21%
FoxFarm Bush Doctor Sledge Hammer, 1 gal
In stock
$92.98 $117.46 -21%
CYCO 5L Swell (2/CS)
In stock
$92.96 $134.15 -31%
House & Garden Amino Treatment, 500 ml
In stock
$92.67 $122.09 -24%
FoxFarm Bush Doctor Bush Doctor Microbe Brew Microbial Inoculant 1-0.3-0.2 | 1gal
In stock
$92.58 $151.99 -39%
Emerald Harvest Sturdy Stalk, 1 gal
In stock
$92.58 $122.00 -24%
Mad Farmer Mother Of All Bloom, 5 lb (2.3 kg)
In stock
$92.45 $136.49 -32%
Save 12%
Plant Success King Crab, 32 oz
In stock
$92.16 $104.99 -12%
Roots Organics Nitro Bat Guano, 44 lbs
In stock
$91.66 $132.83 -31%
Save 17%
Grow More Sea Grow Flower and Bloom, 25 lbs
In stock
$91.01 $109.99 -17%
Nectar for The Gods Hades Down 0-1-0 | 2.5gal
In stock
$90.03 $145.99 -38%
DaKine 420 Sticky Icky Enzymes | 1,000g
In stock
$90.00 $168.99 -47%
Emerald Harvest Cal-Mag | 2.5gal
In stock
$89.70 $130.00 -31%
House & Garden Algen Extract, 1 L
In stock
$89.42 $117.81 -24%
Save 12%
Roots Organics Terp Tea Microbe Charge, 9 lb
In stock
$89.10 $101.51 -12%
Mad Farmer Cal+Mag, 2.5 gal
In stock
$89.09 $117.08 -24%
Save 16%
Grotek Vitamax Pro, 4 L
In stock
$88.94 $105.46 -16%
Optic Foliar REV, 1 L
In stock
$88.75 $116.99 -24%
Optic Foliar TRANSPORT, 1 L
In stock
$88.75 $116.99 -24%
Optic Foliar WATTS, 1 L
In stock
$88.75 $116.99 -24%
FoxFarm Grow Big Hydroponic Fertilizer 3-2-6 | 1gal - Concentrate
In stock
$88.72 $117.99 -25%
FoxFarm Bush Doctor Sledgehammer | 1gal - OMRI Listed
In stock
$88.72 $117.99 -25%
Save 15%
Cutting Edge Solutions Plant Amp, 1 gal
In stock
$88.64 $103.99 -15%
Save 15%
Cutting Edge Solutions Uncle John's Blend, 1 gal
In stock
$88.64 $103.99 -15%
Save 15%
Cutting Edge Solutions Uncle John's Blend, 1 gal (OREGON ONLY)
In stock
$88.64 $103.99 -15%
Save 9%
Nitryx SP Nitrogen Fixing Bacteria | 1lb - OMRI Listed
Out of stock
$88.42 $97.50 -9%
Down to Earth Soluble Root Growth Enhancer | 5lb - OMRI Listed
In stock
$88.04 $241.29 -64%
Save 17%
Grow More Soluble 6-30-30 Standard, 25 lbs
In stock
$88.04 $105.99 -17%
Growth Science Nutrients Strength, 2.5 gal
In stock
$88.04 $115.99 -24%
House & Garden Top Booster, 5 L
In stock
$87.80 $115.67 -24%
Gaia Mania, 2.5 gal
In stock
$87.71 $115.99 -24%
Roots Organics Ancient Amber, 2.5 gal
Out of stock
$87.67 $115.49 -24%
Save 16%
Cutting Edge Solutions Mag-Amped, 1 gal
In stock
$87.04 $103.99 -16%
Nectar for The Gods Poseidonzime Foliar Spray 0-0-0.5 | 2.5gal
In stock
$86.71 $139.99 -38%
Save 17%
Gaia Green Power Bloom, 20 kg
In stock
$86.62 $104.50 -17%
Save 2%
Biomin Boron | 2.5gal - OMRI Listed
In stock
$86.16 $87.50 -2%
Save 19%
FoxFarm Grow Big® Liquid Concentrate, 1 gal
In stock
$85.84 $106.13 -19%
Save 19%
FoxFarm Tiger Bloom® Liquid Concentrate, 1 gal
In stock
$85.82 $106.15 -19%
Soul Sensei Micro, 2.5 gal
In stock
$85.59 $112.76 -24%
House & Garden Soil A, 20 L
In stock
$85.55 $123.99 -31%
House & Garden Soil B, 20 L
In stock
$85.55 $123.99 -31%
Rhizoflora Purpinator 0-2-4 - 1gal
In stock
$85.48
SUPERthrive K-L-N Rooting Concentrate | 1gal
Out of stock
$85.16 $129.50 -34%
Save 12%
Age Old Grow, 2.5 gal
In stock
$85.15 $96.99 -12%
Save 12%
Age Old Grow, 2.5 gal (OREGON ONLY)
In stock
$85.15 $96.99 -12%
Save 12%
Age Old Bloom, 2.5 gal
In stock
$85.15 $96.99 -12%
BioBizz Bio-Heaven, 1 L
In stock
$84.99 $111.99 -24%
Down to Earth Kelp Meal 1-0.1-2 | 20lb - OMRI Listed
In stock
$84.97 $137.49 -38%
Technaflora B.C. Bloom, 10 L
In stock
$84.86 $113.99 -26%
BioAG Ful-Power Purified Fulvic Acid | 2.5gal - OMRI Listed
In stock
$84.80 $111.99 -24%
Botanicare Hydroplex Bloom 0-10-6 - 1gal
In stock
$84.41 $123.31 -32%
Nectar for The Gods Gaia Mania Supplement 1-5-1 | 2.5gal
In stock
$84.22 $107.99 -22%
Emerald Harvest Sturdy Stalk | 1gal
In stock
$84.18 $122.00 -31%
House & Garden Aqua Flakes A, 20 L
In stock
$83.88 $121.99 -31%
House & Garden Aqua Flakes B, 20 L
In stock
$83.88 $121.99 -31%
House & Garden Cocos A, 20 L
In stock
$83.88 $121.99 -31%
House & Garden Cocos B, 20 L
In stock
$83.88 $121.99 -31%
Save 14%
Roots Organics Terp Tea Microbe Charge | 9lb
In stock
$83.86 $96.99 -14%
Botanicare Silica Blast 0-0-0.5 - 2.5gal
In stock
$83.41 $122.37 -32%
Save 17%
FoxFarm Bush Doctor Bembe, 1 gal
In stock
$83.37 $100.69 -17%
Save 16%
Grotek Bud Fuel Pro, 4 L
In stock
$82.87 $98.25 -16%
Down to Earth Bat Guano 7-3-1 | 25lb - OMRI Listed
In stock
$82.51 $107.99 -24%
FoxFarm Cultivation Nation Cal-Mag, 2.5 gal
Out of stock
$82.50 $121.17 -32%
Save 14%
General Hydroponics FloraPro Late Bloom 0-24-26 - 25lb
In stock
$82.37 $95.91 -14%
House & Garden Bio 1-Component, 5 L
Out of stock
$82.01 $108.05 -24%
Save 15%
Microbe Life Plus-C, 1 gal (CA ONLY)
In stock
$81.99 $95.99 -15%
Save 15%
Microbe Life Photosynthesis Plus-O, 1 gal (OR only)
In stock
$81.99 $95.99 -15%
Save 17%
Microbe Life Photosynthesis Plus, 1 gal
In stock
$81.68 $97.99 -17%
Save 12%
Grotek Gro-Silic, 1 L
In stock
$81.65 $92.99 -12%
Save 12%
Coco-Wet Organic Wetting Agent, 1 gal
In stock
$81.62 $92.99 -12%
Save 18%
HDI Ionic Bloom Plant Nutrient 3-2-6 | 2.5gal
In stock
$81.59 $99.65 -18%
Save 18%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 2.5gal
In stock
$81.59 $99.65 -18%
Roots Organics Phos Rock, 55 lb
Out of stock
$81.16 $118.80 -32%
Save 12%
Roots Organics Terp Tea Bloom Booster, 9 lb
In stock
$80.57 $91.79 -12%
Humboldt Nutrients Mayan Microzyme, 1 qt
In stock
$80.45 $105.99 -24%
Biobizz Starters Pack
In stock
$80.44 $105.99 -24%
Aurora Peat Products Procision Advantage, 3.8 cu ft bale
In stock
$80.37 $106.15 -24%
FoxFarm Beastie Bloomz, 2 lbs
In stock
$80.15 $103.25 -22%
FoxFarm Cha Ching, 2 lbs
In stock
$80.14 $103.25 -22%
Mr. B's Green Trees Azospirillum Super Concentrate, 3 lbs
In stock
$80.10 $161.63 -50%
HEAVY 16 Fire, 32 oz
In stock
$80.05 $116.02 -31%
HEAVY 16 Fire, 32 oz (OR Only)
In stock
$80.05 $116.02 -31%
HEAVY 16 Roots, 32 oz
In stock
$80.05 $116.02 -31%
Gaia Green All Purpose, 20 kg
In stock
$80.00 $102.29 -22%
FoxFarm Bush Doctor® Cal-Mag, 1 gal
In stock
$79.87 $106.54 -25%
Nectar for the Gods Persephone's Palate, 2.5 gal
In stock
$79.74 $115.99 -31%
Down to Earth Liquid Calcium 5% | 2.5gal - OMRI Listed
In stock
$79.65 $145.99 -45%
Plant Success Organics Granular 3-1-2 | 5lb - Granules
Out of stock
$79.61 $99.66 -20%
Down to Earth Bio-Fish 7-7-2 | 50lb - OMRI Listed
In stock
$79.54 $103.99 -24%
Down to Earth Seabird Guano 0-11-0 | 20lb - OMRI Listed
In stock
$79.42 $99.99 -21%
Botanicare Rhizo Blast 1.15-0.5-1.15 - 1000mL - MI Restriction
In stock
$79.29 $129.50 -39%
Save 12%
Royal Gold Crown Jewels Bloom 1-4-2, 20 lb
Out of stock
$78.99 $89.99 -12%
Save 12%
Royal Gold Crown Jewels Grow 3-2-2, 20 lb
Out of stock
$78.99 $89.99 -12%
General Hydroponics FloraNova Grow 7-4-10 - 1gal
In stock
$78.81 $115.43 -32%
General Hydroponics FloraNova Bloom 4-8-7 - 1gal
In stock
$78.81 $115.43 -32%
Save 18%
FoxFarm Big Bloom Fertilizer 0-0.5-0.7 | 1gal - Concentrate - OMRI Listed
In stock
$78.77 $95.99 -18%
BioAg Ful-Power®, 2.5 gal (ID,IL,IA,KS,MN,NE,OH,OK,OR)
In stock
$78.70 $102.99 -24%
Athena's Aminas, 2.5 gal
In stock
$78.69 $103.99 -24%
Bloom Khaos, 1 gal
In stock
$78.69 $103.99 -24%
Medusa's Magic, 2.5 gal
In stock
$78.69 $103.99 -24%
Mega Morpheus, 2.5 gal
In stock
$78.69 $103.99 -24%
The Kraken, 2.5 gal
In stock
$78.69 $103.99 -24%
SugarDaddy, 4 L
In stock
$78.62 $103.99 -24%
FoxFarm Bush Doctor Bembé Sweet & Dandy 0-1-3 | 1gal - Concentrate
In stock
$78.52 $104.99 -25%
CYCO 20L Bloom B (32/PL)
In stock
$78.51 $113.36 -31%
FoxFarm Bush Doctor 1-0-0 Cal-Mag Supplement | 1gal - 3% Calcium - 0.9% Magnesium - OMRI Listed
In stock
$78.51 $104.99 -25%
Save 17%
Grow More Sea Grow All Purpose, 25 lb
In stock
$78.11 $93.99 -17%
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