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Nutrients & Supplements

Soil Amendments
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Humboldt County's Own Sonic Bloom, 1 lb
In stock
$42.25 $49.99 -15%
Remo Grow, 10 L
In stock
$42.24 $99.00 -57%
MILLS START 1 LTR
In stock
$42.24 $60.00 -30%
Mother Earth LiquiCraft Grow 4-3-3 - 1gal
In stock
$41.96 $66.22 -37%
Budswel, 1 gal (CA Only)
In stock
$41.84 $54.99 -24%
Xtreme Gardening Azos Root Booster | 12oz - (Case of 6)
In stock
$41.74 $53.77 -22%
FoxFarm Beastie Bloomz, 1 lb
In stock
$41.60 $59.35 -30%
Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1 | 142oz - Concentrate - OMRI Listed - (Case of 4)
In stock
$41.57 $55.99 -26%
Down to Earth Granular Root Growth Enhancer | 5lb - OMRI Listed - (Case of 5)
In stock
$41.55 $136.99 -70%
Down to Earth Granular Humic Acids | 50lb - OMRI Listed
In stock
$41.50 $64.99 -36%
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Age Old Grow, 1 gal
In stock
$41.40 $48.99 -15%
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Age Old Bloom, 1 gal
In stock
$41.40 $48.99 -15%
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Age Old Kelp, 1 gal
In stock
$41.40 $48.99 -15%
Down to Earth Soluble Root Growth Enhancer | 1lb - OMRI Listed - (Case of 6)
Out of stock
$41.38 $59.99 -31%
Down to Earth Feather Meal 12-0-0 | 20lb - OMRI Listed
In stock
$41.29 $69.99 -41%
Gaia Mania, 1 gal
In stock
$41.06 $58.49 -30%
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 1gal - The Silicon Solution - (Case of 4)
In stock
$41.04 $67.63 -39%
House & Garden Commercial CalMag, 5 lbs Pouch
In stock
$40.96 $55.00 -26%
Save 11%
Technaflora Recipe For Success Starter Kit
In stock
$40.77 $45.99 -11%
Maxicrop Soluble Seaweed Powder 0-0-17 | 27oz - OMRI Listed - (Case of 6)
In stock
$40.63 $56.99 -29%
Save 17%
Roots Organics Ancient Amber | 1gal - (Case of 4)
Out of stock
$40.54 $48.99 -17%
Save 12%
SUPERthrive Vitamin Solution 0.5-0-0 | 16oz
In stock
$40.32 $45.99 -12%
FoxFarm Cultivation Nation Micro, 1 gal
Out of stock
$40.24 $54.85 -27%
Nectar for The Gods Poseidonzime Foliar Spray 0-0-0.5 | 1gal
In stock
$40.23 $69.99 -43%
Soul LBS, 3 lb
In stock
$40.06 $52.46 -24%
BioAG Ful-Humix | 2.2lb - OMRI Listed - (Case of 4)
Out of stock
$40.04 $57.42 -30%
Down to Earth Alfalfa Meal 2.5-0.5-2.5 | 25lb - OMRI Listed
In stock
$39.99
Botanicare Cal-Mag Plus 2-0-0 | 1gal
In stock
$39.92 $62.90 -37%
General Hydroponics CALiMAGic 1-0-0 - 1gal
In stock
$39.81 $62.93 -37%
DaKine 420 Sticky Icky Enzymes | 1,000g - (Case of 4)
In stock
$39.76 $168.99 -76%
Gaia Green All Purpose, 10 kg
In stock
$39.65 $56.10 -29%
Down to Earth Bio-Fish 7-7-2 | 25lb - OMRI Listed
In stock
$39.64 $58.99 -33%
Nectar for The Gods Gaia Mania Supplement 1-5-1 | 1gal - (Case of 4)
In stock
$39.08 $53.99 -28%
Nectar for The Gods Persephone's Palate | 1gal - (Case of 4)
In stock
$39.08 $53.99 -28%
Grotek Heavy Bud Pro 1-0-3 | 4L - (Case of 4)
In stock
$38.73 $120.99 -68%
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Royal Gold Crown Jewels Bloom 1-4-2, 10 lb
In stock
$38.71 $45.79 -15%
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Royal Gold Crown Jewels Grow 3-2-2, 10 lb
Out of stock
$38.71 $45.79 -15%
Roots Organics Terp Tea Bloom, 9 lb
In stock
$38.02 $53.99 -30%
Roots Organics Terp Tea Grow, 9 lb
In stock
$38.02 $53.99 -30%
Mad Farmer Cal+Mag, 1 gal
In stock
$37.84 $53.71 -30%
Grotek Blossom Blaster, 130 g
In stock
$37.70 $70.66 -47%
Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 1 gal
In stock
$37.70 $53.55 -30%
Down to Earth Bat Guano 7-3-1 | 10lb - OMRI Listed
In stock
$37.59 $49.99 -25%
Technaflora B.C. Boost, 4 L
In stock
$37.48 $52.99 -29%
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 | 1lb Jar
In stock
$37.27 $55.99 -33%
HDI MotherPlant Nutrients Part A | 1gal - (Case of 4)
In stock
$37.26 $49.07 -24%
BioAg Ful-Power | 1 gal
In stock
$37.21 $52.99 -30%
BioAg Ful-Power | 1 gal (ID,IL,IA,KS,MN,NE,OH,OK,OR)
In stock
$37.21 $52.99 -30%
Save 17%
Roots Organics Terp Tea Grow | 9lb - (Case of 3)
In stock
$37.18 $44.99 -17%
Remo Micro, 4 L
In stock
$36.97 $52.99 -30%
Remo Magnifical, 4 L
In stock
$36.97 $52.99 -30%
Remo VeloKelp, 1 L
In stock
$36.97 $49.99 -26%
Down to Earth Citrus Mix 6-3-3 | 25lb - OMRI Listed
In stock
$36.88 $54.99 -33%
CYCO 5L Potash Plus (2/CS) - (Case of 2)
In stock
$36.86 $67.05 -45%
Neptune's Harvest Seaweed Plant Food 0-0-1 | 1gal - Concentrate - Makes 128gal - OMRI Listed - (Case of 4)
In stock
$36.81 $48.99 -25%
Grotek Pro-Silicate, 4 L
In stock
$36.76 $46.99 -22%
Roots Organics Rain, 1 qt
In stock
$36.72 $52.15 -30%
Save 15%
Roots Organics Terp Tea Bloom | 9lb - (Case of 3)
In stock
$36.61 $42.99 -15%
Athena's Aminas, 1 gal
In stock
$36.49 $51.99 -30%
Medusa's Magic, 1 gal
In stock
$36.49 $51.99 -30%
Mega Morpheus, 1 gal
Out of stock
$36.49 $51.99 -30%
Pegasus Potion, 1 gal
In stock
$36.49 $51.99 -30%
The Kraken, 1 gal
Out of stock
$36.49 $51.99 -30%
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 | 1lb Jar
In stock
$36.48 $52.99 -31%
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