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Nutrients & Supplements

Soil Amendments
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128
Humboldt Nutrients Verde, 1 gal
In stock
$78.00 $102.99 -24%
Save 13%
HYCLEAN Line & Equipment Cleaner for Irrigation Systems | 4L (1.05gal) - Non-Toxic
In stock
$77.87 $89.04 -13%
DaKine 420 Atomic Root Powder | 1,000g
In stock
$77.22 $144.99 -47%
BioAg Ful-Power®, 2.5 gal
In stock
$77.17 $100.99 -24%
Optic Foliar SWITCH, 4 L
In stock
$77.14 $101.99 -24%
Save 13%
SUPERthrive, 1 qt
In stock
$76.50 $87.59 -13%
House & Garden Magic Green, 1 L
In stock
$76.49 $100.79 -24%
Growth Science Nutrients Rock Solid, 2.5 gal
In stock
$76.45 $149.99 -49%
Save 18%
HDI MotherPlant Nutrients Part A | 2.5gal
In stock
$76.44 $93.36 -18%
Save 18%
HDI MotherPlant Nutrients Part B | 2.5gal
In stock
$76.44 $93.36 -18%
General Hydroponics FloraMicro 5-0-1 - 2.5gal
In stock
$76.12 $111.45 -32%
Emerald Harvest Micro, 2.5 gal
In stock
$75.91 $100.00 -24%
Bloombastic, 325 ml
In stock
$75.89 $99.99 -24%
Aptus Fasilitor, 250 ml
In stock
$75.87 $98.00 -23%
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 | 2lb Jar
In stock
$75.83 $97.99 -23%
Nectar for The Gods Athena's Aminas 0.5-0-0 | 2.5gal
In stock
$75.82 $96.99 -22%
Nectar for The Gods Bloom Khaos Foliar Spray 0-0-0.5 | 1gal
In stock
$75.82 $96.99 -22%
Nectar for The Gods Hygeia Hydration Yucca Extract | 2.5gal
In stock
$75.82 $96.99 -22%
Nectar for The Gods Medusa's Magic Soil Nutrient 2-5-2 | 2.5gal
In stock
$75.82 $96.99 -22%
Nectar for The Gods Mega Morpheus Guano Tea 0-2-0 | 2.5gal
In stock
$75.82 $96.66 -22%
FoxFarm Beastie Bloomz Fertilizer 0-50-30 | 2lb
In stock
$75.68 $97.99 -23%
Grow More Seaweed Extract, 2.5 gal
In stock
$75.67 $109.99 -31%
Down to Earth Citrus Mix 6-3-3 | 50lb - OMRI Listed
In stock
$75.57 $99.99 -24%
Remo AstroFlower, 4 L
In stock
$75.54 $99.99 -24%
Grotek Rype 3-0-0 | 4L
In stock
$75.17 $119.79 -37%
FoxFarm Cultivation Nation® pH DOWN, 1 gal, case of 4
In stock
$74.55 $96.84 -23%
Save 16%
Grotek Vitamax Plus, 4 L
In stock
$74.51 $88.99 -16%
Roots Organics CalMag, 1 gal
In stock
$74.12 $96.39 -23%
Save 17%
Grow More Mendocino 5-10-40, 25 lbs
Out of stock
$74.05 $88.99 -17%
Grotek Cal Max 2-0-0 | 10L
In stock
$73.91 $134.99 -45%
Save 16%
Crystal Burst, 1 gal
In stock
$73.63 $87.99 -16%
FoxFarm Hydro Formula Nutrients Trio, 3 qts
In stock
$73.60 $95.02 -23%
Grotek Pro-Silicate 0-0-4 | 10L
In stock
$73.28 $133.99 -45%
Grotek Heavy Bud Pro 1-0-3 | 4L
In stock
$73.08 $120.99 -40%
Emerald Harvest Cali Pro Bloom A, 2.5 gal
In stock
$72.88 $96.00 -24%
Emerald Harvest Cali Pro Bloom B, 2.5 gal
Out of stock
$72.88 $96.00 -24%
Emerald Harvest Cali Pro Grow A, 2.5 gal
In stock
$72.88 $96.00 -24%
Emerald Harvest Cali Pro Grow B, 2.5 gal
In stock
$72.88 $96.00 -24%
Emerald Harvest Root Wizard, 1 qt
In stock
$72.86 $96.00 -24%
Emerald Harvest Root Wizard, 1 qt (FL/MN/NC/OK)
In stock
$72.86 $96.00 -24%
Emerald Harvest Root Wizard, 1 qt (OR)
In stock
$72.86 $96.00 -24%
Royal Gold Imperial Boost 0-15-11 | 20lb
In stock
$72.73 $94.99 -23%
Save 14%
General Hydroponics FloraPro Grow 10-12-22 - 25lb
In stock
$72.63 $84.88 -14%
Save 14%
General Hydroponics FloraPro Bloom 7-12-27 - 25lb
In stock
$72.63 $84.88 -14%
Save 14%
General Hydroponics FloraPro Calcium + Micros 14-0-0 + 17% Ca - 25lb
In stock
$72.63 $84.88 -14%
Save 17%
Cutting Edge Solutions Bulletproof Si, 1 gal
In stock
$72.55 $86.99 -17%
FoxFarm Big Bloom Liquid Concentrate, 1 gal
In stock
$72.44 $90.04 -20%
HEAVY 16 Bud A, 2.5 gal
In stock
$72.44 $104.99 -31%
HEAVY 16 Bud B, 2.5 gal
In stock
$72.44 $104.99 -31%
HEAVY 16 Veg A, 2.5 gal
In stock
$72.44 $104.99 -31%
HEAVY 16 Veg B, 2.5 gal
In stock
$72.44 $104.99 -31%
Grotek Bloom Pack
In stock
$72.24 $132.39 -45%
Save 16%
Purple Maxx, 1 qt
In stock
$72.06 $85.99 -16%
Royal Gold Crown Jewels Grow 3-2-2 | 20lb
In stock
$71.73 $94.99 -24%
Botanicare Pure Blend Tea 0.5-0.5-1 - 2.5gal
In stock
$71.61 $104.85 -32%
Down to Earth Bone Meal 3-15-0 | 50lb - OMRI Listed
In stock
$71.58 $97.99 -27%
Save 14%
Roots Organics Terp Tea Bloom Booster | 9lb
In stock
$71.55 $82.99 -14%
BioAg Bio-SuperSil Soluble Silicon | 1gal- 0.5% Nanostructured Silicon
Out of stock
$71.19 $96.42 -26%
Save 12%
SUPERthrive Vitamin Solution 0.5-0-0 | 32oz
In stock
$70.75 $79.99 -12%
CYCO 20L Bloom A (32/PL)
In stock
$70.66 $113.36 -38%
CYCO 20L Grow B (32/PL)
In stock
$70.66 $113.36 -38%
CYCO 20L Grow A (32/PL)
In stock
$70.66 $113.36 -38%
House & Garden Shooting Powder Pouch, 500 g
In stock
$70.57 $92.99 -24%
Down To Earth Rose & Flower Mix 4-8-4 | 50lb (40/PL)
In stock
$70.53 $90.29 -22%
Olympus Up, 2.5 gal
In stock
$70.49 $92.99 -24%
Save 17%
Grow More Mendo Soluble 20-20-20, 25 lbs
In stock
$70.20 $84.99 -17%
Mad Farmer Be One, 1 gal
In stock
$70.13 $104.99 -33%
Soul Sensei Bloom, 2.5 gal
In stock
$70.13 $92.39 -24%
Soul Sensei Grow, 2.5 gal
In stock
$70.13 $92.39 -24%
Save 18%
HDI Clonex Rooting Gel | 16oz
In stock
$69.90 $85.36 -18%
CYCO Platinum Series Silica 0-0-3 - 5L - Oklahoma Label
Out of stock
$69.89
Save 17%
Primordial Solutions Rootamentary, 32 oz
In stock
$69.80 $83.99 -17%
Down to Earth Langbeinite 0-0-22 | 50lb - OMRI Listed
In stock
$69.61 $99.99 -30%
FoxFarm Soil Formula Nutrients Trio, 3 qts
In stock
$69.48 $92.55 -25%
Emerald Harvest Micro | 2.5gal
In stock
$69.00 $100.00 -31%
Cutting Edge Solutions Grow, 15 gal
In stock
$69.00 $359.99 -81%
Rock Rootinator, 20 L
In stock
$69.00 $799.99 -91%
SeaBlast Bloom, 40 lbs
In stock
$69.00 $332.49 -79%
Bloom Master, 40 lbs
In stock
$69.00 $433.99 -84%
Rainbow Mix "PRO" Grow 8-6-3, 40 lbs
In stock
$69.00 $175.49 -61%
DaKine 420 Shock & Awe Bloom Booster | 2,000g
In stock
$68.71 $128.99 -47%
Save 18%
Grow More Water Soluble 20-20-20, 25 lbs
In stock
$68.35 $82.99 -18%
CYCO 5L Suga Rush (2/CS)
In stock
$68.31 $98.24 -30%
FoxFarm Cultivation Nation Flower 4-35-26 | 15lb - Step 2 for 2-Part Feeding Programs
In stock
$68.21 $184.79 -63%
FoxFarm Liquid Nutrient Trio Soil Formula Fertilizer | 3pk - 32oz each
In stock
$67.48 $86.99 -22%
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 | 2lb Jar
In stock
$67.43 $97.99 -31%
Nectar for The Gods Olympus Up | 2.5gal
In stock
$67.39 $86.99 -23%
Save 12%
Dyna-Gro Bloom, 1 gal
In stock
$66.77 $75.99 -12%
Save 12%
Dyna-Gro Foliage-Pro, 1 gal
In stock
$66.77 $75.99 -12%
Save 12%
Dyna-Gro Grow, 1 gal
In stock
$66.77 $75.99 -12%
Nectar for The Gods Persephone's Palate | 2.5gal
In stock
$66.70 $107.99 -38%
House & Garden Roots Excelurator, (silver bottle), 250 ml
Out of stock
$66.65 $87.82 -24%
MICROBE Life Hydroponics Photosynthesis Plus | 1gal
In stock
$66.47 $118.99 -44%
Botanicare Sweet Berry Plant Food | 1gal
In stock
$66.38 $96.88 -31%
Roots Organics Trinity, 1 gal
In stock
$66.27 $87.30 -24%
Emerald Harvest Cali Pro Grow A 3-0-0 | 2.5gal
In stock
$66.24 $96.00 -31%
Emerald Harvest Cali Pro Grow B 2-2-5 | 2.5gal
In stock
$66.24 $96.00 -31%
Emerald Harvest Cali Pro Bloom A 3-0-3 | 2.5gal
In stock
$66.24 $96.00 -31%
Emerald Harvest Cali Pro Bloom B 1-4-6 | 2.5gal
In stock
$66.24 $96.00 -31%
Emerald Harvest Root Wizard | 32oz
In stock
$66.24 $96.00 -31%
Emerald Harvest Root Wizard | 32oz
In stock
$66.24 $96.00 -31%
Emerald Harvest Root Wizard | 32oz
In stock
$66.24 $96.00 -31%
Save 17%
Down to Earth Fish Bone Meal 4-12-0 | 50lb - OMRI Listed
In stock
$65.94 $79.90 -17%
Save 12%
Dyna-Gro Mag-Pro, 1 gal
In stock
$65.82 $74.99 -12%
Save 15%
Great White Premium Mycorrhizae, 8 oz
In stock
$65.73 $77.51 -15%
Save 15%
Roots Organics CalMag | 1gal
In stock
$65.70 $76.99 -15%
Down to Earth All-Purpose Mix 4-6-2 | 50lb - OMRI Listed
In stock
$65.62 $83.89 -22%
Down to Earth Acid Mix 4-3-6 | 50lb - For Acid Soil Loving Plants
In stock
$65.62 $88.99 -26%
Botanicare Clearex Rinsing Solution - 2.5gal
In stock
$65.58 $95.87 -32%
Herculean Harvest, 2.5 gal
In stock
$65.58 $86.49 -24%
Save 18%
HDI Clonex Mist Root Promoter | 32oz - Concentrate
In stock
$65.52 $80.03 -18%
BioAG VAM Endo-Mix | 2.2lb
Out of stock
$65.44 $86.24 -24%
House & Garden Roots Excelurator Gold, 250 ml
In stock
$65.36 $86.10 -24%
Down To Earth Vegetable Garden 4-4-4 | 50lb - OMRI Listed
In stock
$65.30 $84.29 -23%
Down to Earth Agmino Powder 14-0-0 | 5lb
In stock
$64.57 $95.29 -32%
Biobizz Bio-Bloom, 5 L
In stock
$64.10 $92.99 -31%
Biobizz Bio-Grow, 5 L
In stock
$64.10 $92.99 -31%
Cutting Edge Solutions Micro, 2.5 gal
In stock
$63.38 $89.99 -30%
Save 16%
Cutting Edge Solutions Sugaree, 1 gal
In stock
$63.25 $74.99 -16%
Save 16%
Cutting Edge Solutions Sour-Dee, 1 gal
In stock
$63.25 $74.99 -16%
Nectar for The Gods Herculean Harvest Liquid Bone Meal 0-6-0 | 2.5gal
In stock
$63.19 $79.99 -21%
Nectar for The Gods Triton's Trawl Fishbone Meal 0.5-4-0 | 2.5gal
Out of stock
$63.19 $79.99 -21%
Botanicare Liquid Karma 0.1-0.1-0.5 - 1gal
In stock
$63.04 $92.24 -32%
Roots Organics Surge, 1 gal
In stock
$62.85 $82.78 -24%
General Hydroponics FloraBloom 0-5-4 - 2.5gal
In stock
$62.75 $92.47 -32%
General Hydroponics FloraGro 2-1-6 - 2.5gal
In stock
$62.75 $92.47 -32%
Big Foot Mycorrhizae Concentrate | 32oz
In stock
$62.29 $97.99 -36%
Down to Earth Cottonseed Meal 6-2-1 | 50lb - All Purpose
In stock
$62.24 $84.99 -27%
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