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Rootline Supply Co.
Rootline Supply Co. provides reliable tools and products for growers, gardeners, and cultivators who care about quality. We’re focused...
6K
10 months 3 days
Grand Rapids, US
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Nutrients & Supplements

Down to Earth™ Citrus Mix™ 6-3-3 Organic Fertilizer — 3-Pack / 5lb / OMRI Listed®
In Stock: 274
$32.01 $43.39 -26%
Grow More® Indoor & Outdoor Tropical Plant Food — 1.25 lb Jar
Out of stock
$116.52 / $9.71 per unit
(minimum purchase of 12)
Grow More® Sea Grow Bloom & Flower 4-26-26 — 5 lb
Out of stock
$240.36 / $20.03 per unit
(minimum purchase of 12)
Grow More® Mendocino Producer's Choice Plant Starter 10-52-10 — 25 lb
In Stock: 56
$104.99 $116.87 -10%
GreenGro™ Earthshine Biochar Blend Soil — 1.5 cu ft
In Stock: 398
$26.47 $31.99 -17%
FoxFarm® Cultivation Nation™ Grow 2-1-6 — 1 gal (Step 1)
In Stock: 24
$182.68 / $45.67 per unit
(minimum purchase of 4)
General Organics® BioThrive® Grow 4-3-3 6gal
In Stock: 18
$201.27 $454.30 -56%
BioAg® Evolostrum™ 1-0-2 Soil & Plant Enhancer — 1 gal / OMRI Listed®
In Stock: 2
$75.93 $105.46 -28%
FoxFarm® Cultivation Nation™ Bloom 0-5-4 — 1 gal (Step 3)
In Stock: 56
$182.68 / $45.67 per unit
(minimum purchase of 4)
Grow More® Soluble Palm Food 15-5-15 — 1.5 lb Jar
In Stock: 156
$128.28 / $10.69 per unit
(minimum purchase of 12)
Grow More® Citrus Grower Blend — 10 oz Jar
Out of stock
$105.12 / $8.76 per unit
(minimum purchase of 12)
Cutting Edge Sugaree SP™ 0-0-24 Bloom Supplement — 20lb
In Stock: 4
$500.04 $750.00 -33%
Grow More® Mendocino Producer's Choice 20-9-20 — 25 lb
In Stock: 25
$82.62 $89.37 -8%
Down to Earth™ Liquid Fish & Kelp 2-4-1 All-Purpose Fertilizer — 1gal / OMRI Listed®
Out of stock
$103.16 / $25.79 per unit
(minimum purchase of 4)
General Hydroponics Purpinator® 32oz
In Stock: 97
$21.18 $27.42 -23%
Grow More® Hula Bloom 00-50-30 — 1.5 lb
In Stock: 26
$12.61 $15.08 -16%
CYCO™ Platinum Series Bloom Part B 1-5-6 — 5 gal
In Stock: 47
$58.04 $130.36 -55%
CYCO™ Platinum Series Zyme 0.01-0.3-0.2 — 1 gal
In Stock: 17
$57.11 $126.20 -55%
Grow More® Armor Kote Potassium Silicate 0-0-3 — 2.5 gal (7.5% Soluble Silicon)
In Stock: 6
$51.52 $61.87 -17%
Grow More® Premium Orchid Food Growth 30-10-10 — 10 oz
In Stock: 252
$75.00 / $6.25 per unit
(minimum purchase of 12)
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