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Nutrients & Supplements

Soil Amendments
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64
Neptune's Harvest Fish Fertilizer 2-4-1 | 1gal - Concentrate - OMRI Listed - (Case of 4)
In stock
$36.12 $47.99 -25%
Grotek Monster Bloom, 500 g
In stock
$35.98 $45.99 -22%
GH General Organics BioBud Quart (Case of 12)
In stock
$35.85 $52.35 -32%
Big Foot Mycorrhizae Gold | 4oz
In stock
$35.72
Great White Premium Mycorrhizae, 4 oz
In stock
$35.60 $44.99 -21%
Grotek Vitamax Pro 1-1-1 | 4L - (Case of 4)
In stock
$35.43 $85.79 -59%
Down to Earth Bone Meal 3-15-0 | 25lb - OMRI Listed
In stock
$35.42 $51.99 -32%
Save 19%
Happy Frog Soil Conditioner, 3 cu ft,77.2 dry qts
Out of stock
$35.37 $43.67 -19%
Primordial Solutions Rootamentary, 16 oz
In stock
$35.29 $45.99 -23%
FoxFarm Cultivation Nation pH DOWN, 1 pint, case of 12
In stock
$35.25 $144.40 -76%
Nectar for The Gods Athena's Aminas 0.5-0-0 | 1gal
Out of stock
$35.14 $48.99 -28%
Nectar for The Gods Hygeia Hydration Yucca Extract | 1gal - (Case of 4)
Out of stock
$35.14 $48.99 -28%
Nectar for The Gods Medusa's Magic Soil Nutrient 2-5-2 | 1gal - (Case of 4)
In stock
$35.14 $48.99 -28%
Nectar for The Gods Mega Morpheus Guano Tea 0-2-0 | 1gal - (Case of 4)
In stock
$35.14 $48.99 -28%
Nectar for The Gods The Kraken Crab & Shrimp 0-4-0 | 1gal - (Case of 4)
Out of stock
$35.14 $48.99 -28%
HDI Ionic Bloom Plant Nutrient 3-2-6 | 1gal - (Case of 4)
In stock
$35.11 $46.24 -24%
HDI Ionic Grow Plant Nutrient 3-1-5 | 1gal - (Case of 4)
In stock
$35.11 $46.24 -24%
HDI Ionic Bloom for Soil Premium Plant Nutrient 2-2-5 | 1gal - (Case of 4)
In stock
$35.11 $46.24 -24%
HDI Ionic Grow for Soil Plant Nutrient 3-1-4 | 1gal - (Case of 4)
In stock
$35.11 $46.24 -24%
Nectar for The Gods One Shot 3-10-0 | 12lb - (Case of 3)
Out of stock
$35.11 $54.99 -36%
Cultivation Nation Grow 1 gal
Out of stock
$35.11 $47.85 -27%
Down To Earth Fruit Tree 6-2-4 | 25lb - OMRI Listed
In stock
$35.03 $51.99 -33%
Down To Earth Rose & Flower Mix 4-8-4 | 25lb - OMRI Listed
In stock
$34.85 $50.69 -31%
Elite Resin D, 32 oz - A Hydrofarm Exclusive!
In stock
$34.84 $72.59 -52%
House & Garden Cocos A, 5 L
In stock
$34.84 $49.48 -30%
House & Garden Cocos B, 5 L
In stock
$34.84 $49.48 -30%
Remo Grow, 4 L
In stock
$34.84 $49.99 -30%
Botanicare Silica Blast 0-0-0.5 - 1gal
In stock
$34.78 $54.78 -37%
Roots Organics Terp Tea Bloom, 9 lb
In stock
$34.56 $53.99 -36%
Roots Organics Terp Tea Grow, 9 lb
In stock
$34.56 $53.99 -36%
Remo Bloom, 4 L
In stock
$34.51 $48.99 -30%
Save 18%
Hygrozyme Horticultural Enzyme Formula, 1 L
In stock
$34.48 $41.99 -18%
Save 4%
General Hydroponics Flora Series Trial Pack | 3pc - 32oz FloraMicro, 32oz FloraGro, and 32oz FloraBloom
In stock
$34.46 $35.77 -4%
Down to Earth Liquid Bone Meal 0-12-0 | 1gal - (Case of 4)
Out of stock
$34.39 $48.99 -30%
DaKine 420 Atomic Root Powder | 1,000g - (Case of 4)
In stock
$34.11 $144.99 -76%
Technaflora B.C. Boost, 4 L
In stock
$34.07 $52.99 -36%
Royal Gold Crown Jewels Bloom 1-4-2 | 10lb - (Case of 4)
In stock
$33.84 $48.78 -31%
Royal Gold Crown Jewels Grow 3-2-2 | 10lb - (Case of 4)
In stock
$33.84 $48.78 -31%
BioAg Ful-Power | 1 gal
In stock
$33.82 $52.99 -36%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 2.5gal - (Case of 2)
In stock
$33.79 $99.65 -66%
MICROBE Life Hydroponics All-In-One | 32oz - (Case of 12)
In stock
$33.69
HEAVY 16 Foliar, 32 oz
In stock
$33.59 $52.49 -36%
Plant Success Great White Premium Mycorrhizae | 4oz
In stock
$33.43 $45.16 -26%
Grotek Pro-Silicate, 4 L
In stock
$33.42 $46.99 -29%
Roots Organics Rain, 1 qt
In stock
$33.38 $52.15 -36%
Technaflora Awesome Blossoms, 1 L
In stock
$33.38 $47.99 -30%
Grotek Blossom Blaster Pro 1-4-0 | 4L - (Case of 4)
In stock
$33.33 $104.29 -68%
Down to Earth Fish Bone Meal 4-12-0 | 25lb - OMRI Listed
In stock
$33.19 $48.99 -32%
Cutting Edge Solutions Micro, 1 gal
In stock
$33.18 $41.99 -21%
Medusa's Magic, 1 gal
In stock
$33.18 $51.99 -36%
Save 9%
MegaPhos SP Phosphorus Solubilizing Microbe | 2oz - OMRI Listed
Out of stock
$33.16 $36.57 -9%
Cutting Edge Solutions Louder Powder Grow A (15-0-0), 5 lb Bag
In stock
$33.15 $49.99 -34%
Cutting Edge Solutions Louder Powder Grow B (8-13-31), 5 lb Bag
In stock
$33.15 $49.99 -34%
Save 2%
Magnesium Sulfate Epsom Salts | 50lb (49/PL) - OMRI Listed
In stock
$33.05 $33.57 -2%
Grotek Bud Fuel Pro 1-3-4 | 4L - (Case of 4)
In stock
$33.01 $103.29 -68%
Biobizz Acti-Vera 1L CA & OR only
In stock
$33.01 $51.58 -36%
Biobizz Acti-Vera 1L
In stock
$33.01 $51.58 -36%
Save 16%
HYGROZYME Horticultural Horticulture Enzyme Formula | 1L (0.26gal)
Out of stock
$32.83 $39.00 -16%
Grotek Monster Grow Pro, 500 g
In stock
$32.70 $45.99 -29%
Olympus Up, 1 gal
In stock
$32.69 $46.49 -30%
Plant Success Orca | 16oz
In stock
$32.65 $44.11 -26%
Botanicare Hydroplex Bloom 0-10-6 - 32oz
In stock
$32.32 $50.89 -36%
Rock Rootinator, 5 L
In stock
$32.00 $269.99 -88%
HEAVY 16 Bud A, 1 gal
In stock
$32.00 $50.01 -36%
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