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Nutrients & Supplements

Soil Amendments
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128
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%
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%
DaKine 420 Shock & Awe Bloom Booster | 2,000g - (Case of 4)
In stock
$30.59 $128.99 -76%
Technaflora Awesome Blossoms, 1 L
In stock
$30.59 $47.99 -36%
Cutting Edge Solutions Micro, 1 gal
In stock
$30.38 $41.99 -28%
BioAG Cytoplus | 300g - (Case of 12)
Out of stock
$30.28 $43.07 -30%
BioAG VAM Endo-Mix | 300g - (Case of 12)
In stock
$30.28 $43.07 -30%
Cutting Edge Solutions Bloom, 1 gal
In stock
$30.02 $37.99 -21%
General Hydroponics Floralicious Plus 2-0.8-0.5 - 16oz
In stock
$29.93 $43.84 -32%
Botanicare Clearex Rinsing Solution - 1gal
In stock
$29.85 $44.36 -33%
General Hydroponics FloraPro Late Bloom 0-24-26 - 5lb
In stock
$29.84 $45.48 -34%
Emerald Harvest Micro, 1 gal
In stock
$29.81 $42.00 -29%
Xtreme Gardening Versity Bacillus Blend | 2oz - Poly Bag - (Case of 12)
In stock
$29.79
General Hydroponics FloraMicro 5-0-1 - 1gal
In stock
$29.66 $46.07 -36%
FoxFarm Bush Doctor Kangaroots Root Drench Inoculant 0.8-0.1-0.03 | 32oz - Concentrate
In stock
$29.50 $35.99 -18%
FoxFarm Grow Big Hydroponic Fertilizer 3-2-6 | 32oz - Concentrate
In stock
$29.41 $35.99 -18%
Roots Organics Extreme Serene | 32oz
In stock
$29.40 $34.99 -16%
Roots Organics Extreme Serene, 1 qt
In stock
$29.26 $45.35 -35%
Mother Earth LiquiCraft Bloom 2-4-4 - 1gal
In stock
$29.15 $66.22 -56%
Emerald Harvest Cali Pro Bloom B, 1 gal
In stock
$29.10 $41.00 -29%
Emerald Harvest Cali Pro Grow A, 1 gal
In stock
$29.10 $41.00 -29%
Down To Earth Island Phosphate 0-11-0 | 5lb - (Case of 6)
In stock
$28.99
Optic Foliar Transport, 250 ml
In stock
$28.91 $39.99 -28%
Mad Farmer Mother Of All Bloom 500g
In stock
$28.88 $53.54 -46%
Grow More Bio-Cozyme, 1 gal
In stock
$28.86 $39.99 -28%
FoxFarm Bush Doctor Wholly Mackerel Fertilizer 3-1-0 | 32oz - Concentrate
In stock
$28.72 $38.99 -26%
Xtreme Azos Beneficial Bacteria, 6 oz (170 g)
In stock
$28.65 $40.99 -30%
Grotek Bud Fuel Pro, 1 L
In stock
$28.60 $36.26 -21%
Roots Organics Terp Tea Microbe Charge | 3lb - (Case of 3)
In stock
$28.59 $33.99 -16%
House & Garden pH Osmosis Stabilizer, 60 L
In stock
$28.52 $1,012.20 -97%
Cutting Edge Solutions Mag-Amped, 1 qt
In stock
$28.39 $34.99 -19%
Emerald Harvest Emerald Goddess 2-1-4 | 32oz
In stock
$28.38 $44.00 -36%
Emerald Harvest King Kola 0.3-2-3 | 32oz
In stock
$28.38 $44.00 -36%
Emerald Harvest King Kola 0.3-2-3 | 32oz (FL, NM, PA)
In stock
$28.38 $44.00 -36%
Emerald Harvest Honey Chome 0.5-0.5-1 | 32oz
In stock
$28.38 $44.00 -36%
Emerald Harvest Emerald Goddess, 1 qt
In stock
$28.38 $44.00 -36%
Emerald Harvest Honey Chome, 1 qt
In stock
$28.38 $44.00 -36%
Emerald Harvest King Kola, 1 qt (FL/NM/PA)
In stock
$28.38 $44.00 -36%
Nectar for The Gods Herculean Harvest Liquid Bone Meal 0-6-0 | 1gal
Out of stock
$28.35 $38.99 -27%
Nectar for The Gods Triton's Trawl Fishbone Meal 0.5-4-0 | 1gal
Out of stock
$28.35 $38.99 -27%
Snow Storm Ultra, 1 qt
In stock
$28.15 $54.99 -49%
House & Garden Roots Excelurator Gold, 100 ml
In stock
$28.12 $39.63 -29%
FoxFarm Bush Doctor Bemb Sweet & Dandy 0-1-3 | 32oz - Concentrate
In stock
$28.10 $34.99 -20%
Nectar for The Gods Pegasus Potion Feather Tea 1-2-0 | 1gal - (Case of 4)
In stock
$28.06 $48.99 -43%
MICROBE Life Hydroponics Nourish-L Liquid Fertilizer | 32oz - (Case of 12)
In stock
$28.02 $54.99 -49%
Botanicare 32oz Hydroguard (12/CS) - (Case of 12)
In stock
$27.95 $41.00 -32%
Grotek Insta-Green, 4 L
In stock
$27.94 $38.99 -28%
General Hydroponics Ripen 0.5-7-6 | 32oz
In stock
$27.93 $40.46 -31%
Down to Earth Oyster Shell | 50lb - OMRI Listed
Out of stock
$27.92 $35.99 -22%
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
Down to Earth Granular Root Zone | 8oz - OMRI Listed - (Case of 12)
In stock
$27.71 $44.39 -38%
Roots Organics Terp Tea Bloom Booster | 3lb - (Case of 3)
Out of 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
General Hydroponics FloraBloom 0-5-4 - 1gal
In stock
$27.41 $40.53 -32%
General Hydroponics FloraGro 2-1-6 - 1gal
In stock
$27.41 $40.53 -32%
Cutting Edge Solutions Grow, 1 gal
In stock
$27.28 $36.99 -26%
Emerald Harvest Micro | 1gal - (Case of 4)
In stock
$27.09 $42.00 -36%
Xtreme Gardening Calcar Foliar Booster | 6oz - (Case of 12)
Out of 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%
Humboldt County's Own Sonic Bloom, 1 lb
Out of stock
$26.82 $49.99 -46%
Botanicare Sweet Berry Plant Food | 32oz
In stock
$26.78 $39.03 -31%
Roots Organics Terp Tea Bloom Booster 3lb
In stock
$26.74 $34.56 -23%
General Hydroponics KoolBloom 2-45-28 - 2.2lb
In stock
$26.55 $38.87 -32%
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 Bloom A, 1 gal
In stock
$26.44 $41.00 -36%
Emerald Harvest Cali Pro Grow B, 1 gal
In stock
$26.44 $41.00 -36%
CYCO Commercial Series Bloom 8-6-11 - 750g
In stock
$26.35 $66.11 -60%
Down to Earth Kelp Meal 1-0.1-2 | 4lb - OMRI Listed
In stock
$26.35 $33.99 -22%
Grotek Insta-Green 3-0-0 | 10L - (Case of 2)
In stock
$26.35 $81.79 -68%
General Hydroponics FloraPro Calcium + Micros 14-0-0 + 17% Ca - 5lb
In stock
$26.32 $40.25 -35%
Growth Science Nutrients Strength, 2.5 gal
In stock
$26.29 $115.99 -77%
Botanicare Liquid Karma 0.1-0.1-0.5 - 32oz
In stock
$26.25 $38.26 -31%
Gaia Mania, 1 gal
Out of stock
$26.12 $58.49 -55%
CYCO 5L Bloom B (2/CS) - (Case of 2)
In stock
$26.11 $36.81 -29%
CYCO Bloom A 5 L (2/CS) - (Case of 2)
In stock
$26.11 $36.81 -29%
CYCO 5L Grow B (2/CS) - (Case of 2)
In stock
$26.11 $36.81 -29%
CYCO 5L Grow A (2/CS) - (Case of 2)
In stock
$26.11 $36.81 -29%
FoxFarm Bush Doctor Kelp Me Kelp You 0.5-0-0.5 | 32oz - Concentrate - OMRI Listed
In stock
$26.10 $34.99 -25%
PRO-MIX LP15 | 2.8cu ft - Loose Fill (Pallet of 57)
Out of stock
$26.03 $27.24 -4%
Microbe Life Plus-C, 1 qt (CA)
In stock
$25.97 $32.99 -21%
Microbe Life Photosynthesis Plus-O, 1 qt (OR)
In stock
$25.97 $32.99 -21%
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)
In 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
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%
Roots Organics Oregonism XL, 8 oz
In stock
$25.28 $35.63 -29%
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%
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%
General Hydroponics FloraNova Grow 7-4-10 - 32oz
In stock
$24.85 $36.39 -32%
General Hydroponics FloraNova Bloom 4-8-7 - 32oz
In stock
$24.85 $36.39 -32%
Emerald Harvest Sturdy Stalk | 32oz
In stock
$24.83 $38.50 -36%
Emerald Harvest Sturdy Stalk, 1 qt
In stock
$24.83 $38.50 -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%
House & Garden Magic Green -- 250mL
Out of stock
$24.59 $34.64 -29%
Grotek Vitamax Pro, 1 L
In stock
$24.45 $31.02 -21%
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%
Technaflora Thrive Alive B1 Red, 500ml
In stock
$24.25 $39.96 -39%
MICROBE Life Hydroponics All-In-One | 16oz - (Case of 12)
Out of stock
$24.19
Growth Science Organics Humic Tonic, 2.5 gal
In stock
$24.19 $129.99 -81%
Hygrozyme Horticultural Enzyme Formula, 1 L
Out of stock
$24.19 $41.99 -42%
House & Garden Amino Treatment, 100 ml
In stock
$24.17 $37.49 -36%
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