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Nutrients & Supplements

Soil Amendments
Roots Organics Oregonism XL Mycorrhizal Fungi Inoculant Powder - 3 lb
In Stock: 1
$140.99 $190.07 -26%
House & Garden Top Shooter Bloom Supplement - 1 L
In Stock: 44
$174.87 $235.20 -26%
House & Garden Algen Extract Supplement - 5 L
In Stock: 7
$302.59 $406.98 -26%
Cutting Edge Solutions Uncle John's Blend 0-0-2 Supplement - 6 Gal (Oregon Only)
In Stock: 2
$253.48 $419.99 -40%
Emerald Harvest Cali Pro Bloom A Base Nutrient - 2.5 Gal
Out of stock
$98.76 / $49.38 per unit
(minimum purchase of 2)
House & Garden Nitrogen Boost Supplement - 20 L
In Stock: 23
$733.64 $1,071.00 -31%
Mills Nutrients Basis B Base Nutrient - 1 L
In Stock: 10
$12.00 $16.99 -29%
Optic Foliar Transport Foliar Spray - 500 mL
In Stock: 25
$53.76 $72.99 -26%
Emerald Harvest Cali Pro Bloom B 1-4-6 Base Nutrient - 6 Gal
In Stock: 9
$91.86 $184.00 -50%
BioBizz Calmag Cal-Mag Supplement - 1 L
In Stock: 31
$22.06 $29.99 -26%
Grow More Mendocino Avalanche Liquid Nutrient - 2.5 Gal
Out of stock
$75.66 $157.99 -52%
Emerald Harvest pH Up Solution - 1 Gal - Case of 4
Out of stock
$203.87 $236.92 -14%
HEAVY 16 Fire Bloom Booster Supplement - 2.5 Gal (OR Compliant)
In Stock: 44
$467.50 $682.49 -32%
Grotek Vitamax Plus Vitamin B Supplement - 23 L
In Stock: 238
$300.00 $399.99 -25%
Emerald Harvest pH Up Solution - 15 Gal
Out of stock
$522.92 $607.69 -14%
Grotek Blossom Blaster PK Bloom Booster - 2.5 kg
In Stock: 115
$671.99 $895.99 -25%
Emerald Harvest Cali Pro Bloom B 1-4-6 Base Nutrient - 1 Gal
Out of stock
$66.32 / $16.58 per unit
(minimum purchase of 4)
Mills Nutrients C4 Bloom Additive - 200 L
In Stock: 1
$6,089.60 $9,415.99 -35%
Emerald Harvest Sturdy Stalk Potassium Silicate Supplement - 15 Gal
Out of stock
$622.21 $723.08 -14%
Emerald Harvest Cali Pro Grow A Base Nutrient - 55 Gal
Out of stock
$648.69 $753.85 -14%
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