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Nutrients & Supplements

Soil Amendments
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128
Grotek Heavy Bud Pro 1-0-3 | 4L - (Case of 4)
In stock
$39.04 $120.99 -68%
SUPERthrive, 1 pt
In stock
$38.91 $50.49 -23%
Humboldt Nutrients Master-B, 5 gal
In stock
$38.83 $300.99 -87%
MILLS START 1 LTR
In stock
$38.70 $60.00 -36%
GH General Organics BioBud Quart (Case of 12)
In stock
$38.66 $52.35 -26%
FoxFarm Cha Ching, 2 lbs
In stock
$38.38 $103.25 -63%
Roots Organics Terp Tea Bloom, 9 lb
In stock
$38.31 $53.99 -29%
Roots Organics Terp Tea Grow, 9 lb
In stock
$38.31 $53.99 -29%
General Hydroponics Flora Series Trial Pack | 3pc - 32oz FloraMicro, 32oz FloraGro, and 32oz FloraBloom
In stock
$38.20
Technaflora B. Seaweed, 4 L
In stock
$38.16 $176.36 -78%
Down to Earth Soluble Root Growth Enhancer | 1lb - OMRI Listed - (Case of 6)
Out of stock
$38.12 $59.99 -36%
Down To Earth Fruit Tree 6-2-4 | 25lb - OMRI Listed
In stock
$38.09 $53.89 -29%
Down To Earth Rose & Flower Mix 4-8-4 | 25lb - OMRI Listed
In stock
$38.09 $53.89 -29%
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%
Down to Earth Bat Guano 7-3-1 | 10lb - OMRI Listed
In stock
$37.89 $49.99 -24%
Technaflora B.C. Boost, 4 L
In stock
$37.77 $52.99 -29%
HDI MotherPlant Nutrients Part A | 1gal - (Case of 4)
In stock
$37.55 $49.07 -23%
Down to Earth Acid Mix 4-3-6 | 25lb - For Acid Soil Loving Plants
In stock
$37.53 $52.99 -29%
Roots Organics Terp Tea Grow | 9lb - (Case of 3)
In stock
$37.47 $44.99 -17%
Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 6 gal
In stock
$37.38 $262.49 -86%
Remo Magnifical, 4 L
In stock
$37.26 $52.99 -30%
Down to Earth Starter Mix 3-3-3 | 25lb - OMRI Listed
Out of stock
$37.16 $51.79 -28%
CYCO 5L Potash Plus (2/CS) - (Case of 2)
In stock
$37.15 $67.05 -45%
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%
Botanicare Silica Blast 0-0-0.5 - 1gal
In stock
$36.80 $54.78 -33%
HDI Clonex Rooting Gel | 250ml - Wide Mouth Bottle
In stock
$36.75 $48.02 -23%
Soul LBS, 3 lb
In stock
$36.70 $52.46 -30%
SUPERthrive Pure Neem Oil Organic Leaf Polish | 32oz - (Case of 12)
In stock
$36.55 $59.25 -38%
Roots Organics Oregonism XL Root Growth Enhancer | 1lb - (Case of 12)
In stock
$36.52 $54.99 -34%
Grotek Monster Bloom, 500 g
In stock
$36.26 $45.99 -21%
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%
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)
Out of 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%
HDI Ionic Bloom for Soil Premium Plant Nutrient 2-2-5 | 1gal - (Case of 4)
In stock
$35.38 $46.24 -23%
HDI Ionic Grow for Soil Plant Nutrient 3-1-4 | 1gal - (Case of 4)
In stock
$35.38 $46.24 -23%
Nectar for The Gods One Shot 3-10-0 | 12lb - (Case of 3)
Out of stock
$35.38 $54.99 -36%
Down To Earth Vegetable Garden 4-4-4 | 25lb - OMRI Listed
In stock
$35.31 $49.99 -29%
Down to Earth All-Purpose Mix 4-6-2 | 25lb - OMRI Listed
In stock
$35.31 $49.99 -29%
House & Garden Aqua Flakes A, 5 L
In stock
$35.11 $49.48 -29%
House & Garden Cocos A, 5 L
In stock
$35.11 $49.48 -29%
House & Garden Cocos B, 5 L
In stock
$35.11 $49.48 -29%
Aptus Fasilitor, 250 ml
In stock
$35.02 $98.00 -64%
Orca Premium Liquid Mycorrhizae, 16 oz
In stock
$35.01 $43.99 -20%
Botanicare Hydroplex Bloom 0-10-6 - 32oz
In stock
$34.86 $50.89 -31%
Bloombastic | 325 ml
In stock
$34.83 $99.99 -65%
Royal Gold Imperial Boost 0-15-11 | 10lb - (Case of 4)
In stock
$34.75 $48.24 -28%
Down to Earth Liquid Bone Meal 0-12-0 | 1gal - (Case of 4)
Out of stock
$34.66 $48.99 -29%
DaKine 420 Atomic Root Powder | 1,000g - (Case of 4)
In stock
$34.38 $144.99 -76%
Down to Earth Fish Bone Meal 4-12-0 | 25lb - OMRI Listed
In stock
$34.38 $48.99 -30%
Grotek Synergy, 800 grams
In stock
$34.34 $201.99 -83%
CYCO 5L Kleanse (2/CS) - (Case of 2)
In stock
$34.17 $50.04 -32%
Royal Gold Crown Jewels Bloom 1-4-2 | 10lb - (Case of 4)
In stock
$34.11 $48.78 -30%
Royal Gold Crown Jewels Grow 3-2-2 | 10lb - (Case of 4)
In stock
$34.11 $48.78 -30%
BioAg Ful-Power | 1 gal
In stock
$34.08 $52.99 -36%
BioAg Ful-Power | 1 gal (ID,IL,IA,KS,MN,NE,OH,OK,OR)
In stock
$34.08 $52.99 -36%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 2.5gal - (Case of 2)
In stock
$34.06 $99.65 -66%
Poseidonzime, 1 gal
In stock
$33.97 $75.99 -55%
Gaia Green Greensand, 10 kg U.S. (NA02)
In stock
$33.90 $69.99 -52%
Remo Micro, 4 L
In stock
$33.86 $52.99 -36%
HEAVY 16 Foliar, 32 oz
In stock
$33.85 $52.49 -36%
FoxFarm Beastie Bloomz, 2 lbs
In stock
$33.82 $103.25 -67%
MICROBE Life Hydroponics All-In-One | 32oz - (Case of 12)
In stock
$33.69
Plant Success Great White Premium Mycorrhizae | 4oz
In stock
$33.69 $45.16 -25%
Grotek Pro-Silicate, 4 L
In stock
$33.68 $46.99 -28%
Roots Organics Rain, 1 qt
In stock
$33.64 $52.15 -35%
Zeus Juice, 1 gal
Out of stock
$33.63 $75.99 -56%
Grotek Blossom Blaster Pro 1-4-0 | 4L - (Case of 4)
In stock
$33.59 $104.29 -68%
FoxFarm Bush Doctor Microbe Brew Microbial Inoculant 1-0.3-0.2 | 32oz - Concentrate
In stock
$33.48 $40.99 -18%
Cutting Edge Solutions Micro, 1 gal
In stock
$33.44 $41.99 -20%
Medusa's Magic, 1 gal
Out of stock
$33.44 $51.99 -36%
The Kraken, 1 gal
Out of stock
$33.44 $51.99 -36%
MegaPhos SP Phosphorus Solubilizing Microbe | 2oz - OMRI Listed
Out of stock
$33.42 $36.57 -9%
Magnesium Sulfate Epsom Salts | 50lb (49/PL) - OMRI Listed
In stock
$33.31 $34.86 -4%
Down to Earth Starter Mix 3-3-3 | 50lb - OMRI Listed
In stock
$33.28 $102.29 -67%
Grotek Bud Fuel Pro 1-3-4 | 4L - (Case of 4)
In stock
$33.27 $103.29 -68%
Biobizz Acti-Vera 1L CA & OR only
In stock
$33.27 $51.58 -35%
Biobizz Acti-Vera 1L
In stock
$33.27 $51.58 -35%
HYGROZYME Horticultural Horticulture Enzyme Formula | 1L (0.26gal)
Out of stock
$33.09 $39.00 -15%
Grotek Monster Grow Pro, 500 g
In stock
$32.96 $45.99 -28%
Plant Success Orca | 16oz
In stock
$32.91 $44.11 -25%
FoxFarm Hydro Formula Nutrients Trio, 3 qts
Out of stock
$32.65 $95.02 -66%
Great White Premium Mycorrhizae, 4 oz
In stock
$32.61 $44.99 -28%
HEAVY 16 Bud A, 1 gal
In stock
$32.25 $50.01 -36%
HEAVY 16 Bud B, 1 gal
In stock
$32.25 $50.01 -36%
HEAVY 16 Veg A, 1 gal
In stock
$32.25 $50.01 -36%
HEAVY 16 Veg B, 1 gal
In stock
$32.25 $50.01 -36%
Roots Organics Extreme Serene, 1 qt
In stock
$32.19 $45.35 -29%
FoxFarm Cultivation Nation pH UP, 1 pt, case of 12
In stock
$32.11 $179.52 -82%
SUPERthrive Root-Gel Rooting Gel | 8oz - (Case of 12)
Out of stock
$31.93 $51.99 -39%
House & Garden Aqua Flakes B, 5 L
In stock
$31.91 $49.48 -36%
House & Garden Soil A, 5 L
In stock
$31.91 $49.48 -36%
House & Garden Soil B, 5 L
In stock
$31.91 $49.48 -36%
Remo Grow, 4 L
In stock
$31.91 $49.99 -36%
Grotek Insta-Green 3-0-0 | 4L - (Case of 4)
In stock
$31.88 $44.99 -29%
House & Garden Multi Zen, 1 L
In stock
$31.77 $49.27 -36%
PRO-MIX BRK BIOFUNGICIDE + MYCORRHIZAE Peat/Bark Mix | 2.8cu ft - Loose Fill (48/PL)
Out of stock
$31.76 $37.04 -14%
Remo Bloom, 4 L
In stock
$31.60 $48.99 -35%
Botanicare Pure Blend Tea 0.5-0.5-1 - 1gal
In stock
$31.55 $47.07 -33%
Nectar for The Gods Olympus Up | 1gal - (Case of 4)
In stock
$31.50 $42.99 -27%
Aphrodite's Extraction, 1 gal
In stock
$31.35 $69.49 -55%
Roots Organics Uprising Bloom, 9 lbs
In stock
$31.35 $48.59 -35%
Roots Organics Uprising Foundation, 9 lbs
In stock
$31.35 $48.59 -35%
Roots Organics Uprising Grow, 9 lbs
In stock
$31.35 $48.59 -35%
HDI Clonex Mist Root Promoter | 750ml - (Case of 6)
In stock
$31.31 $40.90 -23%
Emerald Harvest Honey Chome, 1 qt
In stock
$31.22 $44.00 -29%
Emerald Harvest King Kola, 1 qt
In stock
$31.22 $44.00 -29%
Emerald Harvest King Kola, 1 qt (FL/NM/PA)
In stock
$31.22 $44.00 -29%
Technaflora B.C. Bloom, 4 L
In stock
$31.22 $47.99 -35%
Technaflora B.C. Grow, 4 L
In stock
$31.22 $47.99 -35%
Coast of Maine Stonington Blend Organic Natural Grower's Mix | 1.5cu ft - OMRI Listed - (Case of 6)
In stock
$31.01 $51.39 -40%
Demeter's Destiny, 1 gal
Out of stock
$30.97 $69.49 -55%
PRO-MIX BRK20 BIOFUNGICIDE + MYCORRHIZAE Peat/Bark Mix | 2.8cu ft - Loose Fill (48/PL)
In stock
$30.93 $36.07 -14%
Cutting Edge Solutions Louder Powder Grow A (15-0-0), 5 lb Bag
In stock
$30.93 $49.99 -38%
Cutting Edge Solutions Louder Powder Grow B (8-13-31), 5 lb Bag
In stock
$30.93 $49.99 -38%
Cutting Edge Solutions Louder Powder Bloom A (14-0-0), 5 lb Bag
In stock
$30.93 $49.99 -38%
Cutting Edge Solutions Louder Powder Bloom B (0-25-24), 5 lb Bag
In stock
$30.93 $49.99 -38%
Grotek Insta-Green, 4 L
In stock
$30.74 $38.99 -21%
Grotek Pro-Silicate 0-0-4 | 4L - (Case of 4)
In stock
$30.69 $53.99 -43%
FoxFarm Bush Doctor Cal-Mag, 1 gal
Out of stock
$30.66 $106.54 -71%
Roots Organics Nitro Bat Guano, 9 lbs
In stock
$30.65 $43.19 -29%
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