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Nutrients & Supplements

Soil Amendments
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128
Grotek Gro-Silic, 250 ml
In stock
$28.10 $32.99 -15%
Nectar for The Gods Pegasus Potion Feather Tea 1-2-0 | 1gal - (Case of 4)
In stock
$28.06 $48.99 -43%
General Hydroponics Floralicious Plus 2-0.8-0.5 - 16oz
In stock
$27.97 $43.84 -36%
Down to Earth Oyster Shell | 50lb - OMRI Listed
Out of stock
$27.92 $35.99 -22%
Roots Organics Nitro Bat Guano, 9 lbs
In stock
$27.86 $43.19 -35%
South Cascade Organics SLF-100, 1 qt
In stock
$27.85 $35.99 -23%
FoxFarm Bush Doctor Boomerang Comeback Formula 2-0.2-0.3 | 32oz
In stock
$27.84 $33.99 -18%
Big Foot Mycorrhizae Concentrate | 8oz
In stock
$27.80
General Hydroponics FloraMicro 5-0-1 - 1gal
In stock
$27.71 $46.07 -40%
Down to Earth Granular Root Zone | 8oz - OMRI Listed - (Case of 12)
Out of stock
$27.71 $44.39 -38%
Roots Organics Terp Tea Bloom Booster | 3lb - (Case of 3)
In stock
$27.68 $32.99 -16%
FoxFarm Bush Doctor Sledgehammer | 32oz - OMRI Listed
In stock
$27.52 $33.99 -19%
Big Foot Root Boost Nitrogen-Fixing Azospirillum | 10oz
In stock
$27.50
Emerald Harvest Sturdy Stalk, 1 qt
In stock
$27.31 $38.50 -29%
Herculean Harvest, 1 gal
Out of stock
$27.17 $42.49 -36%
Emerald Harvest Micro | 1gal - (Case of 4)
In stock
$27.09 $42.00 -36%
Emerald Harvest Micro, 1 gal
In stock
$27.09 $42.00 -36%
Xtreme Gardening Calcar Foliar Booster | 6oz - (Case of 12)
In stock
$26.99 $34.49 -22%
Grotek Solo-Tek Grow 6-3-7 | 4L - (Case of 4)
In stock
$26.97 $83.69 -68%
Grotek Solo-Tek Bloom 3-8-8 | 4L - (Case of 4)
In stock
$26.97 $83.69 -68%
HDI Europonic FossilFuel Liquid Humic Acids | 1gal - (Case of 4)
Out of stock
$26.96 $54.99 -51%
Grotek Cal Max 2-0-0 | 4L - (Case of 4)
In stock
$26.87 $47.59 -44%
Roots Organics Terp Tea Bloom Booster 3lb
In stock
$26.74 $34.56 -23%
Technaflora Thrive Alive B1 Red, 500ml
In stock
$26.68 $39.96 -33%
House & Garden Amino Treatment, 100 ml
In stock
$26.60 $37.49 -29%
Emerald Harvest Cali Pro Grow A 3-0-0 | 1gal - (Case of 4)
In stock
$26.44 $41.00 -36%
Emerald Harvest Cali Pro Grow B 2-2-5 | 1gal - (Case of 4)
In stock
$26.44 $41.00 -36%
Emerald Harvest Cali Pro Bloom A 3-0-3 | 1gal - (Case of 4)
In stock
$26.44 $41.00 -36%
Emerald Harvest Cali Pro Bloom B 1-4-6 | 1gal - (Case of 4)
In stock
$26.44 $41.00 -36%
Emerald Harvest Cali Pro Grow A, 1 gal
In stock
$26.44 $41.00 -36%
CYCO Commercial Series Bloom 8-6-11 - 750g
In stock
$26.35 $66.11 -60%
Grotek Insta-Green 3-0-0 | 10L - (Case of 2)
In stock
$26.35 $81.79 -68%
Gaia Green Power Bloom, 2 kg Pouch
In stock
$26.35 $28.59 -8%
General Hydroponics FloraPro Calcium + Micros 14-0-0 + 17% Ca - 5lb
In stock
$26.32 $40.25 -35%
Optic Foliar REV, 250 ml - (Case of 12)
Out of stock
$26.28 $40.99 -36%
Optic Foliar Transport, 250 ml
In stock
$26.28 $39.99 -34%
Remo AstroFlower, 1 L
In stock
$26.26 $36.99 -29%
Mad Farmer Mother Of All Bloom 500g
In stock
$26.25 $53.54 -51%
Grow More Bio-Cozyme, 1 gal
In stock
$26.24 $39.99 -34%
Botanicare 32oz Hydroguard (12/CS) - (Case of 12)
In stock
$26.12 $41.00 -36%
FoxFarm Bush Doctor Kelp Me Kelp You 0.5-0-0.5 | 32oz - Concentrate - OMRI Listed
In stock
$26.10 $34.99 -25%
General Hydroponics Ripen 0.5-7-6 | 32oz
In stock
$26.10 $40.46 -35%
PRO-MIX LP15 | 2.8cu ft - Loose Fill (Pallet of 57)
Out of stock
$26.03 $27.24 -4%
Xtreme Azos Beneficial Bacteria, 6 oz (170 g)
In stock
$26.03 $40.99 -36%
Microbe Life Photosynthesis Plus-O, 1 qt (OR)
In stock
$25.97 $32.99 -21%
FoxFarm Bush Doctor Bembe, 1 qt
In stock
$25.93 $36.12 -28%
Cutting Edge Solutions Uncle John's Blend, 1 qt
In stock
$25.92 $34.99 -26%
DaKine 420 Nitro Nutrients Bloom | 2,000g - (Case of 4)
Out of stock
$25.84 $108.99 -76%
DaKine 420 Nitro Nutrients Grow | 2,000g - (Case of 4)
In stock
$25.84 $108.99 -76%
House & Garden Top Booster, 1 L
In stock
$25.83 $36.41 -29%
Sustane 8-2-4 Lawn & Landscape Plant Food | 20lb - OMRI Listed
Out of stock
$25.75 $37.71 -32%
Rhizoflora Purpinator 0-2-4 - 32oz
In stock
$25.63
General Hydroponics FloraBloom 0-5-4 - 1gal
In stock
$25.62 $40.53 -37%
General Hydroponics FloraGro 2-1-6 - 1gal
In stock
$25.62 $40.53 -37%
House & Garden Roots Excelurator Gold, 100 ml
In stock
$25.55 $39.63 -36%
Xtreme Mykos Pure Mycorrhizal Inoculum, Granular, 2.2 lbs
In stock
$25.54 $39.99 -36%
South Cascade Organics SLF-100 | 32oz - OMRI Listed - (Case of 12)
In stock
$25.48 $35.99 -29%
Xtreme Gardening Azos Root Booster | 6oz - (Case of 12)
In stock
$25.44 $32.51 -22%
Xtreme Gardening Mykos | 2.2lb - (Case of 6)
In stock
$25.44 $32.51 -22%
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 | 32oz - Concentrate
In stock
$25.41 $30.99 -18%
FoxFarm Grow Big Fertilizer 6-4-4 | 32oz - Concentrate
In stock
$25.40 $30.99 -18%
Great White Granular 1 Mycorrhizal | 2.2lb - OMRI Listed
In stock
$25.26 $33.85 -25%
Olivia's Cloning Solution | 1gal - (Case of 4)
In stock
$25.21 $37.95 -34%
Growth Science Organics Grow, 1 gal
In stock
$25.19 $74.99 -66%
Gaia Green Glacial Rock Dust, 22.68 kg
Out of stock
$25.09 $32.41 -23%
Botanicare Sweet Berry Plant Food | 32oz
In stock
$25.03 $39.03 -36%
FOOP CANNA Sweetener Organic Terpene Enhancer | 32oz - OMRI Listed - (Case of 12)
Out of stock
$24.99
House & Garden Magnesium Boost, 1 L
In stock
$24.87 $38.56 -36%
Emerald Harvest Sturdy Stalk | 32oz
In stock
$24.83 $38.50 -36%
Emerald Harvest Grow, 1 gal
In stock
$24.83 $35.00 -29%
General Hydroponics KoolBloom 2-45-28 - 2.2lb
In stock
$24.81 $38.87 -36%
SUPERthrive K-L-N Rooting Concentrate | 32oz - (Case of 12)
In stock
$24.73 $40.58 -39%
Vegamatrix Amp-It, 1 gal
In stock
$24.64 $99.99 -75%
Down to Earth All-Purpose Mix 4-6-2 | 3pk - 5lb - OMRI Listed
In stock
$24.60 $37.69 -35%
Down To Earth Rose & Flower Mix 4-8-4 | 15lb - 3pk of 5lb
In stock
$24.60 $37.69 -35%
Down To Earth Acid Mix 4-3-6 | 15lb - 3pk of 5lb
In stock
$24.60 $37.69 -35%
Down To Earth Fruit Tree 6-2-4 | 15lb - 3pk of 5lb
In stock
$24.60 $37.69 -35%
Down To Earth Vegetable Garden 4-4-4 | 15lb - 3pk of 5lb
In stock
$24.60 $37.69 -35%
House & Garden Magic Green -- 250mL
Out of stock
$24.59 $34.64 -29%
Botanicare Liquid Karma 0.1-0.1-0.5 - 32oz
In stock
$24.54 $38.26 -36%
Bloom Khaos, 1 qt
In stock
$24.52 $34.99 -30%
FoxFarm Grow Big Hydro Liquid Concentate, 1 qt
In stock
$24.48 $36.10 -32%
FoxFarm Bush Doctor Kangaroots, 1 qt
In stock
$24.48 $36.12 -32%
Great White Granular 1, 2.2lbs
In stock
$24.45 $33.99 -28%
Grow More Mendocino Honey, 1 gal
In stock
$24.37 $33.99 -28%
Grotek Cal-Max, 1 gal
In stock
$24.37 $45.33 -46%
BushDoctor Wholly Mackerel Qt (12/cs)
Out of stock
$24.34 $40.65 -40%
MICROBE Life Hydroponics Nourish-L Liquid Fertilizer | 32oz - (Case of 12)
In stock
$24.32 $46.99 -48%
Crystal Burst, 1 qt
In stock
$24.26 $29.99 -19%
MICROBE Life Hydroponics All-In-One | 16oz - (Case of 12)
Out of stock
$24.19
Roots Organics Trinity, 1 qt
In stock
$24.17 $34.00 -29%
Roots Organics Trinity, 1 qt
In stock
$24.17 $34.00 -29%
Grotek Rype, 1 L
In stock
$24.08 $41.48 -42%
Down to Earth Liquid Bloom 2-6-5 | 32oz - (Case of 10)
In stock
$23.99
Nectar for The Gods Bloom Khaos Foliar Spray 0-0-0.5 | 32oz
In stock
$23.99 $32.99 -27%
FoxFarm Bush Doctor Kelp Me Kelp You, 1 qt
In stock
$23.96 $36.10 -34%
Grotek Blossom Blaster 1-4-0 | 130g
In stock
$23.92 $74.29 -68%
Roots Organics Seabird Guano Powder, 9 lbs
In stock
$23.75 $33.47 -29%
Humboldt Roots, 125 ml
In stock
$23.70 $48.99 -52%
General Hydroponics FloraPro Grow 10-12-22 - 5lb
In stock
$23.68 $40.25 -41%
General Hydroponics FloraPro Bloom 7-12-27 - 5lb
In stock
$23.68 $40.25 -41%
FoxFarm Bush Doctor Liquid Iron Micro-Nutrient 1-0-0 | 32oz - OMRI Listed - (Case of 12)
In stock
$23.65 $50.69 -53%
Xtreme Mykos Pure Mycorrhizal Inoculum, Wettable Powder, 12 oz
In stock
$23.63 $34.99 -32%
FoxFarm Bush Doctor Sledge Hammer, 1 qt
In stock
$23.59 $34.28 -31%
Microbe Life Photosynthesis Plus, 1 qt
In stock
$23.59 $32.99 -28%
Microbe Life Plus-C, 1 qt (CA)
In stock
$23.59 $32.99 -28%
FoxFarm Bush Doctor Boomerang, 1 qt
In stock
$23.58 $34.83 -32%
CYCO 5L Bloom B (2/CS) - (Case of 2)
In stock
$23.50 $36.81 -36%
CYCO Bloom A 5 L (2/CS) - (Case of 2)
In stock
$23.50 $36.81 -36%
CYCO 5L Grow B (2/CS) - (Case of 2)
In stock
$23.50 $36.81 -36%
CYCO 5L Grow A (2/CS) - (Case of 2)
In stock
$23.50 $36.81 -36%
DaKine 420 Bio Minerals | 2,000g - (Case of 4)
In stock
$23.47 $98.99 -76%
DaKine 420 CalMag | 2,000g - (Case of 4)
Out of stock
$23.47 $98.99 -76%
DaKine 420 Sticky Icky Enzymes | 500g - (Case of 4)
In stock
$23.47 $98.99 -76%
SugarDaddy, 1 L
In stock
$23.47 $33.99 -31%
House & Garden Hydro A, 20 L
In stock
$23.36 $123.99 -81%
General Hydroponics FloraNova Grow 7-4-10 - 32oz
In stock
$23.22 $36.39 -36%
General Hydroponics FloraNova Bloom 4-8-7 - 32oz
In stock
$23.22 $36.39 -36%
Roots Organics Oregonism XL, 8 oz
In stock
$22.99 $35.63 -35%
CYCO Commercial Series Grow 10-5-13 - 750g
In stock
$22.94 $66.11 -65%
Optic Foliar Switch, 1 L
In stock
$22.85 $32.99 -31%
Neptune's Harvest Kelp Meal Multi-Purpose Plant Food 1-0-2 | 4lb - OMRI Listed - (Case of 6)
In stock
$22.76 $29.99 -24%
Emerald Harvest Grow | 1gal - (Case of 4)
In stock
$22.58 $35.00 -35%
Emerald Harvest Bloom | 1gal - (Case of 4)
In stock
$22.58 $35.00 -35%
Emerald Harvest Bloom, 1 gal
In stock
$22.58 $35.00 -35%
Humboldt Nutrients Mayan Microzyme, 8 oz
In stock
$22.56 $34.99 -36%
FoxFarm Tiger Bloom Liquid Concentrate, 1 qt
Out of stock
$22.55 $33.29 -32%
FoxFarm Grow Big Liquid Concentrate, 1 qt
Out of stock
$22.54 $33.26 -32%
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