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Nutrients & Supplements

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96
CYCO 5L Uptake (2/CS)
Out of stock
$42.91 $66.11 -35%
CYCO 5L Potash Plus (2/CS)
In stock
$42.91 $67.05 -36%
Save 14%
Humboldt County's Own Sonic Bloom, 1 lb
In stock
$42.91 $49.99 -14%
Remo Grow, 10 L
In stock
$42.90 $99.00 -57%
BioAG Ful-Humix | 2.2lb - OMRI Listed
Out of stock
$42.87 $60.20 -29%
Mother Earth LiquiCraft Grow 4-3-3 - 1gal
Out of stock
$42.61 $66.22 -36%
Mother Earth LiquiCraft Bloom 2-4-4 - 1gal
Out of stock
$42.61 $66.22 -36%
Save 16%
Hygrozyme Horticultural Enzyme Formula, 1 L
In stock
$42.60 $50.99 -16%
Budswel, 1 gal (CA Only)
In stock
$42.50 $54.99 -23%
Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1 | 142oz - Concentrate - OMRI Listed
In stock
$42.22 $55.99 -25%
Down to Earth Granular Humic Acids | 50lb - OMRI Listed
In stock
$42.15 $64.99 -35%
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 | 1lb Jar
In stock
$42.07 $52.99 -21%
Save 14%
Age Old Grow, 1 gal
In stock
$42.04 $48.99 -14%
Save 14%
Age Old Bloom, 1 gal
In stock
$42.04 $48.99 -14%
Save 14%
Age Old Kelp, 1 gal
In stock
$42.04 $48.99 -14%
Down to Earth Feather Meal 12-0-0 | 20lb - OMRI Listed
In stock
$41.94 $69.99 -40%
Save 14%
SUPERthrive, 1 pt
In stock
$41.89 $48.99 -14%
Gaia Mania, 1 gal
In stock
$41.70 $58.49 -29%
House & Garden Commercial CalMag, 5 lbs Pouch
In stock
$41.60 $55.00 -24%
FoxFarm Beastie Bloomz, 1 lb
In stock
$41.50 $57.60 -28%
Save 10%
Technaflora Recipe For Success Starter Kit
In stock
$41.40 $45.99 -10%
Maxicrop Soluble Seaweed Powder 0-0-17 | 27oz - OMRI Listed
In stock
$41.26 $56.99 -28%
Save 16%
Roots Organics Ancient Amber | 1gal
In stock
$41.17 $48.99 -16%
Save 18%
HEAVY 16 Bud A, 1 gal
In stock
$41.15 $50.01 -18%
Save 18%
HEAVY 16 Bud B, 1 gal
In stock
$41.15 $50.01 -18%
Save 18%
HEAVY 16 Veg A, 1 gal
In stock
$41.15 $50.01 -18%
Save 18%
HEAVY 16 Veg B, 1 gal
In stock
$41.15 $50.01 -18%
Save 11%
SUPERthrive Vitamin Solution 0.5-0-0 | 16oz
In stock
$40.95 $45.99 -11%
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 1gal - The Silicon Solution
In stock
$40.86 $66.30 -38%
Nectar for The Gods Poseidonzime Foliar Spray 0-0-0.5 | 1gal
In stock
$40.86 $69.99 -42%
Soul LBS, 3 lb
In stock
$40.69 $52.46 -22%
Save 17%
Grotek Precision Grow, 10 L
In stock
$40.62 $48.99 -17%
Save 17%
Grotek Precision Bloom, 10 L
In stock
$40.62 $48.99 -17%
Botanicare Cal-Mag Plus 2-0-0 - 1gal
In stock
$40.55 $62.90 -36%
General Hydroponics CALiMAGic 1-0-0 - 1gal
In stock
$40.42 $62.93 -36%
Gaia Green All Purpose, 10 kg
In stock
$40.27 $56.10 -28%
Down to Earth Bio-Fish 7-7-2 | 25lb - OMRI Listed
In stock
$40.26 $58.99 -32%
Down to Earth Alfalfa Meal 2.5-0.5-2.5 | 25lb - OMRI Listed
In stock
$39.99
Nectar for The Gods Gaia Mania Supplement 1-5-1 | 1gal
In stock
$39.69 $53.99 -26%
Nectar for The Gods Persephone's Palate | 1gal
In stock
$39.69 $53.99 -26%
Big Foot Mycorrhizae Gold | 8oz
In stock
$39.40 $49.29 -20%
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 | 1lb Jar
In stock
$39.36 $53.39 -26%
FoxFarm Beastie Bloomz Fertilizer 0-50-30 | 1lb
In stock
$39.36 $53.29 -26%
Grotek Heavy Bud Pro 1-0-3 | 4L
In stock
$39.34 $120.99 -67%
Save 14%
Royal Gold Crown Jewels Bloom 1-4-2, 10 lb
In stock
$39.31 $45.79 -14%
Save 14%
Royal Gold Crown Jewels Grow 3-2-2, 10 lb
Out of stock
$39.31 $45.79 -14%
Big Foot Root Boost Nitrogen-Fixing Azospirillum | 32oz - Active Ingredient : Azospirillum brasilense - Great for Fruits, Veggies, Flowers, Shrubs, Turf and ...
In stock
$39.13 $48.89 -20%
HDI MotherPlant Nutrients Part A | 1gal
In stock
$39.01 $49.99 -22%
HDI MotherPlant Nutrients Part B | 1gal
In stock
$39.01 $49.99 -22%
Roots Organics Terp Tea Bloom, 9 lb
In stock
$38.61 $53.99 -28%
Roots Organics Terp Tea Grow, 9 lb
In stock
$38.61 $53.99 -28%
House & Garden Rhizo Force, 10 lbs.
In stock
$38.56 $59.84 -36%
Mad Farmer Cal+Mag, 1 gal
In stock
$38.43 $53.71 -28%
Grotek Blossom Blaster, 130 g
In stock
$38.28 $70.66 -46%
Mad Farmer Nutrient UpTake Solution (N.U.T.S.), 1 gal
In stock
$38.28 $53.55 -29%
Down to Earth Bat Guano 7-3-1 | 10lb - OMRI Listed
In stock
$38.18 $49.99 -24%
HDI Clonex Rooting Gel | 250ml - Wide Mouth Bottle
In stock
$38.18 $54.99 -31%
Technaflora B.C. Boost, 4 L
In stock
$38.06 $52.99 -28%
Grotek Monster Grow Pro 18-36-1 | 500g
In stock
$37.91 $52.99 -28%
Nectar for the Gods Persephone's Palate, 1 gal
In stock
$37.91 $58.49 -35%
BioAg Ful-Power®, 1 gal
In stock
$37.79 $52.99 -29%
BioAg Ful-Power®, 1 gal (ID,IL,IA,KS,MN,NE,OH,OK,OR)
In stock
$37.79 $52.99 -29%
Save 16%
Roots Organics Terp Tea Grow | 9lb
In stock
$37.76 $44.99 -16%
Remo Micro, 4 L
In stock
$37.54 $52.99 -29%
Remo Magnifical, 4 L
In stock
$37.54 $52.99 -29%
Remo VeloKelp, 1 L
In stock
$37.54 $49.99 -25%
Down to Earth Kelp Meal 1-0.1-2 | 5lb - OMRI Listed
In stock
$37.49
HDI Europonic FossilFuel Liquid Humic Acids | 1gal
Out of stock
$37.48 $54.99 -32%
Down to Earth Citrus Mix 6-3-3 | 25lb - OMRI Listed
In stock
$37.45 $54.99 -32%
Nectar for the Gods One Shot Granules, 12 lb
In stock
$37.43 $47.99 -22%
Neptune's Harvest Seaweed Plant Food 0-0-1 | 1gal - Concentrate - Makes 128gal - OMRI Listed
In stock
$37.39 $48.99 -24%
Grotek Pro-Silicate, 4 L
In stock
$37.34 $46.99 -21%
Roots Organics Rain, 1 qt
In stock
$37.30 $52.15 -28%
Save 14%
Roots Organics Terp Tea Bloom | 9lb
In stock
$37.18 $42.99 -14%
BioAg CytoPlus™, 1 kg
Out of stock
$37.18 $80.99 -54%
Athena's Aminas, 1 gal
In stock
$37.06 $51.99 -29%
Hygeia's Hydration, 1 gal
In stock
$37.06 $51.99 -29%
Medusa's Magic, 1 gal
In stock
$37.06 $51.99 -29%
Mega Morpheus, 1 gal
In stock
$37.06 $51.99 -29%
Pegasus Potion, 1 gal
In stock
$37.06 $51.99 -29%
The Kraken, 1 gal
In stock
$37.06 $51.99 -29%
HDI Ionic Bloom Plant Nutrient 3-2-6 | 1gal
In stock
$36.76 $54.99 -33%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 1gal
In stock
$36.76 $54.99 -33%
HDI Ionic Grow Plant Nutrient 3-1-5 | 1gal
In stock
$36.76 $54.99 -33%
HDI Ionic Bloom for Soil Premium Plant Nutrient 2-2-5 | 1gal
In stock
$36.76 $54.99 -33%
HDI Ionic Grow for Soil Plant Nutrient 3-1-4 | 1gal
In stock
$36.76 $54.99 -33%
HEAVY 16 Foliar, 32 oz
In stock
$36.74 $52.49 -30%
Neptune's Harvest Fish Fertilizer 2-4-1 | 1gal - Concentrate - OMRI Listed
In stock
$36.69 $47.99 -24%
Grotek Monster Bloom, 500 g
In stock
$36.54 $45.99 -21%
Grotek Monster Grow Pro, 500 g
In stock
$36.54 $45.99 -21%
GH General Organics BioBud Quart (Case of 12)
In stock
$36.41 $52.35 -30%
FoxFarm Cultivation Nation® pH DOWN, 1 pint, case of 12
In stock
$36.40 $144.40 -75%
DaKine 420 Shock & Awe Bloom Booster | 1,000g
In stock
$36.27 $68.99 -47%
SUPERthrive Pure Neem Oil Organic Leaf Polish | 32oz
In stock
$36.11 $58.09 -38%
Growth Science Nutrients Rock Solid, 1 gal
In stock
$36.01 $74.99 -52%
Down to Earth Oyster Shell | 50lb - OMRI Listed
Out of stock
$35.99
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