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Nutrients & Supplements

Soil Amendments
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128
Roots Organics HP2 0-4-0, 1 gal
In stock
$46.75 $68.03 -31%
Botanicare Pure Blend Pro Bloom Formula 2-3-5 - 1gal
In stock
$46.62 $75.27 -38%
Big Foot Mycorrhizae Granular | 2lb
In stock
$46.35
Xtreme Gardening Mykos WP | 2.2lb - Wettable Powder - (Case of 6)
In stock
$46.32 $61.03 -24%
Soul Amino-Aide, 1 qt
In stock
$46.30 $67.32 -31%
Soul Big Swell, 1 qt
In stock
$46.30 $67.32 -31%
Remo Nature's Candy, 4 L
In stock
$46.25 $73.99 -37%
Rock Resinator Heavy Yields, 1 L
In stock
$46.10 $75.99 -39%
Nectar for The Gods Aphrodite's Extraction Carbon 0-1-0 | 1gal - (Case of 4)
In stock
$45.79 $64.99 -30%
Nectar for The Gods Demeter's Destiny Liquid Calcium 0-0.5-0 | 1gal
In stock
$45.79 $64.99 -30%
Botanicare Pure Blend Pro Soil 1-4-5 - 1gal
In stock
$45.70 $73.79 -38%
Botanicare Pure Blend Pro Grow Formula 3-2-4 - 1gal
In stock
$45.70 $73.79 -38%
Save 19%
Roots Organics HPK | 1gal - (Case of 4)
In stock
$45.38 $55.99 -19%
Save 18%
Grotek Synergy, 140 grams
In stock
$45.36 $54.99 -18%
Dyna-Gro Pro-TeKt, 1 gal
In stock
$45.19 $61.19 -26%
Optic Foliar Transport, 500 ml
In stock
$45.12 $72.99 -38%
General Hydroponics ARMOR SI 0-0-4 - 1gal - CA Restriction
Out of stock
$45.04 $72.83 -38%
General Hydroponics ARMOR SI 0-0-4 | 1gal
In stock
$45.04 $72.83 -38%
General Organics BioThrive Bloom 2-4-4 | 1gal
In stock
$45.01 $72.67 -38%
Down to Earth Fish Powder 12-1-1 | 5lb - (Case of 5)
In stock
$44.79 $67.39 -34%
Roots Organics HPK 0-4-3, 1 gal
In stock
$44.60 $71.42 -38%
Save 19%
Roots Organics Oregonism XL Root Growth Enhancer | 1lb - (Case of 12)
In stock
$44.35 $54.99 -19%
HEAVY 16 Prime, 32 oz
In stock
$44.29 $70.87 -38%
Xtreme Tea Brews Individual Pouches, 80 g & Microbe Food Packs, 7 g (10 each)
In stock
$44.29 $63.99 -31%
Emerald Harvest Root Wizard | 32oz (OR)
In stock
$44.15 $96.00 -54%
Save 2%
Sustane 4-6-4 All-Purpose Fertilizer | 50lb - OMRI Listed
In stock
$44.06 $44.75 -2%
House & Garden Commercial Bloom, 5 lbs Pouch
In stock
$44.06 $60.00 -27%
House & Garden Commercial Grow, 5 lbs Pouch
In stock
$44.06 $60.00 -27%
Emerald Harvest Cal-Mag | 1gal
In stock
$43.75 $70.00 -38%
Grow More Mendocino Avalanche, 1 gal
In stock
$43.75 $69.99 -37%
Mr. B's Green Trees Azospirillum Super Concentrate, 1 lb
In stock
$43.50 $69.60 -38%
Save 18%
Roots Organics HP2 | 1gal - (Case of 4)
In stock
$43.28 $52.99 -18%
Down to Earth Liquid Calcium 5% | 1gal - OMRI Listed - Makes 128 Gallons - (Case of 4)
In stock
$43.25 $62.99 -31%
Down to Earth Liquid All-Purpose 4-1-3 | 1gal - (Case of 4)
In stock
$43.25 $63.99 -32%
CYCO Platinum Series Silica 0-0-3 - 5L
In stock
$43.21 $69.89 -38%
Aphrodite's Extraction, 1 gal
In stock
$43.20 $69.49 -38%
Demeter's Destiny, 1 gal
In stock
$43.20 $69.49 -38%
Snow Storm Ultra, 1 qt
In stock
$43.09 $54.99 -22%
Grotek Rype 3-0-0 | 4L - (Case of 4)
In stock
$43.00 $119.79 -64%
Big Time Enzyme, 1 gal
Out of stock
$43.00 $56.99 -25%
Microbe Life Hydroponics Terps Plus, 32 oz
In stock
$42.98 $62.99 -32%
Roots Organics Bio Force, 1 lb
In stock
$42.92 $57.22 -25%
Save 18%
Grotek Gro-Silic, 500 ml
In stock
$42.89 $51.99 -18%
Roots Organics Ancient Amber, 1 gal
In stock
$42.89 $62.36 -31%
Mad Farmer Mother Of All Bloom, 1 kg
In stock
$42.84 $91.02 -53%
BioBizz Root-Juice 1L
In stock
$42.71 $68.34 -38%
BioBizz Root-Juice 1L CA & OR only
In stock
$42.71 $68.34 -38%
HEAVY 16 Fire, 16 oz
In stock
$42.65 $68.24 -38%
HEAVY 16 Fire, 16 oz (OR Only)
In stock
$42.65 $68.24 -38%
HEAVY 16 Roots, 16 oz
In stock
$42.65 $68.24 -38%
General Hydroponics Diamond Nectar 0-1-1 - 1gal
In stock
$42.59 $68.90 -38%
Gaia Green Power Bloom, 10 kg
In stock
$42.48 $57.19 -26%
Cutting Edge Solutions Cal-Mag Amplified, 1 gal
In stock
$42.46 $61.99 -32%
Grotek Cal Max 2-0-0 | 10L - (Case of 2)
In stock
$42.29 $134.99 -69%
Gaia Green Worm Castings, 30L
In stock
$41.96 $55.99 -25%
Grotek Gro-Silic, 4 L
In stock
$41.95 $232.99 -82%
Grotek Pro-Silicate 0-0-4 | 10L - (Case of 2)
In stock
$41.92 $133.99 -69%
Roots Organics Oregonism XL, 1 lb
In stock
$41.85 $66.95 -37%
FoxFarm Cha Ching, 1 lb
In stock
$41.61 $59.35 -30%
Save 18%
SUPERthrive, 1 pt
In stock
$41.49 $50.49 -18%
Grotek Bloom Pack
In stock
$41.32 $132.39 -69%
CYCO 5L Uptake (2/CS) - (Case of 2)
In stock
$41.26 $66.11 -38%
Remo Grow, 10 L
In stock
$41.25 $99.00 -58%
MILLS START 1 LTR
In stock
$41.25 $60.00 -31%
Mother Earth LiquiCraft Grow 4-3-3 - 1gal
In stock
$40.98 $66.22 -38%
Budswel, 1 gal
In stock
$40.86 $54.99 -26%
Budswel, 1 gal (CA Only)
In stock
$40.86 $54.99 -26%
Cultivation Nation Cal-Mag Gallon
Out of stock
$40.81 $68.09 -40%
Xtreme Azos Beneficial Bacteria, 12 oz (340 g)
In stock
$40.80 $65.99 -38%
Aurora Peat Products Procision Advantage, 3.8 cu ft bale
In stock
$40.78 $106.15 -62%
Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1 | 142oz - Concentrate - OMRI Listed - (Case of 4)
In stock
$40.60 $55.99 -27%
Down to Earth Granular Root Growth Enhancer | 5lb - OMRI Listed - (Case of 5)
In stock
$40.58 $136.99 -70%
Down to Earth Granular Humic Acids | 50lb - OMRI Listed
In stock
$40.52 $64.99 -38%
Down to Earth Feather Meal 12-0-0 | 20lb - OMRI Listed
In stock
$40.32 $69.99 -42%
Xtreme Gardening Tea Brews | 10ct - (Case of 6)
In stock
$40.16 $52.91 -24%
House & Garden Bud-XL, 1 L
In stock
$40.16 $64.26 -38%
House & Garden Nitrogen Boost, 1 L
In stock
$40.16 $64.26 -38%
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 1gal - The Silicon Solution - (Case of 4)
Out of stock
$40.08 $67.63 -41%
House & Garden Commercial CalMag, 5 lbs Pouch
In stock
$40.00 $55.00 -27%
Down to Earth Alfalfa Meal 2.5-0.5-2.5 | 25lb - OMRI Listed
In stock
$39.99
Maxicrop Soluble Seaweed Powder 0-0-17 | 27oz - OMRI Listed - (Case of 6)
Out of stock
$39.68 $56.99 -30%
Save 19%
Roots Organics Ancient Amber | 1gal - (Case of 4)
In stock
$39.59 $48.99 -19%
House & Garden Algen Extract, 500 ml
In stock
$39.49 $63.19 -38%
Save 14%
SUPERthrive Vitamin Solution 0.5-0-0 | 16oz
In stock
$39.38 $45.99 -14%
House & Garden Drip Clean, 1 L
In stock
$39.38 $63.00 -37%
Nectar for The Gods Poseidonzime Foliar Spray 0-0-0.5 | 1gal
In stock
$39.29 $69.99 -44%
Soul LBS, 3 lb
In stock
$39.12 $52.46 -25%
BioAG Ful-Humix | 2.2lb - OMRI Listed - (Case of 4)
Out of stock
$39.10 $57.42 -32%
Botanicare Cal-Mag Plus 2-0-0 | 1gal
In stock
$38.99 $62.90 -38%
General Hydroponics CALiMAGic 1-0-0 - 1gal
In stock
$38.88 $62.93 -38%
Biobizz Top-Max, 1 L
In stock
$38.88 $62.20 -37%
BioBizz Top-Max 1L CA & OR only
In stock
$38.88 $62.20 -37%
DaKine 420 Sticky Icky Enzymes | 1,000g - (Case of 4)
In stock
$38.82 $168.99 -77%
Xtreme Gardening Azos Root Booster | 12oz - (Case of 6)
In stock
$38.82 $51.15 -24%
Gaia Green All Purpose, 10 kg
In stock
$38.72 $56.10 -31%
Down to Earth Bio-Fish 7-7-2 | 25lb - OMRI Listed
In stock
$38.71 $58.99 -34%
Nectar for The Gods Gaia Mania Supplement 1-5-1 | 1gal - (Case of 4)
In stock
$38.16 $53.99 -29%
Nectar for The Gods Persephone's Palate | 1gal - (Case of 4)
In stock
$38.16 $53.99 -29%
Technaflora Thrive Alive B1 Red, 1 L
In stock
$38.12 $59.99 -36%
Grotek Heavy Bud Pro 1-0-3 | 4L - (Case of 4)
In stock
$37.82 $120.99 -69%
Humboldt County's Own Sonic Bloom, 1 lb
In stock
$37.50 $49.99 -25%
FoxFarm Beastie Bloomz, 1 lb
In stock
$36.94 $59.35 -38%
Grotek Blossom Blaster, 130 g
In stock
$36.81 $70.66 -48%
Age Old Grow, 1 gal
In stock
$36.75 $48.99 -25%
Age Old Bloom, 1 gal
In stock
$36.75 $48.99 -25%
Age Old Kelp, 1 gal
Out of stock
$36.75 $48.99 -25%
Down to Earth Bat Guano 7-3-1 | 10lb - OMRI Listed
In stock
$36.71 $49.99 -27%
Technaflora B.C. Boost, 4 L
In stock
$36.60 $52.99 -31%
Gaia Mania, 1 gal
In stock
$36.45 $58.49 -38%
Nectar for the Gods Persephone's Palate, 1 gal
Out of stock
$36.45 $58.49 -38%
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 | 1lb Jar
In stock
$36.40 $55.99 -35%
HDI MotherPlant Nutrients Part A | 1gal - (Case of 4)
In stock
$36.39 $49.07 -26%
Save 19%
Roots Organics Terp Tea Grow | 9lb - (Case of 3)
In stock
$36.31 $44.99 -19%
Technaflora Recipe For Success Starter Kit
In stock
$36.20 $45.99 -21%
Remo Micro, 4 L
In stock
$36.10 $52.99 -32%
Remo Magnifical, 4 L
In stock
$36.10 $52.99 -32%
Remo VeloKelp, 1 L
In stock
$36.10 $49.99 -28%
Down to Earth Citrus Mix 6-3-3 | 25lb - OMRI Listed
In stock
$36.01 $54.99 -35%
CYCO 5L Potash Plus (2/CS) - (Case of 2)
In stock
$36.00 $67.05 -46%
Neptune's Harvest Seaweed Plant Food 0-0-1 | 1gal - Concentrate - Makes 128gal - OMRI Listed - (Case of 4)
In stock
$35.95 $48.99 -27%
Save 17%
Roots Organics Terp Tea Bloom | 9lb - (Case of 3)
In stock
$35.75 $42.99 -17%
Big Foot Mycorrhizae Gold | 4oz
In stock
$35.72
FoxFarm Cultivation Nation Micro, 1 gal
Out of stock
$35.72 $54.85 -35%
Medusa's Magic, 1 gal
In stock
$35.64 $51.99 -31%
Mega Morpheus, 1 gal
Out of stock
$35.64 $51.99 -31%
Pegasus Potion, 1 gal
In stock
$35.64 $51.99 -31%
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 | 1lb Jar
In stock
$35.62 $52.99 -33%
FoxFarm Beastie Bloomz Fertilizer 0-50-30 | 1lb
In stock
$35.62 $52.99 -33%
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