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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
1 year
Grand Rapids, US
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Nutrients & Supplements

Ferti-lome Chelated Iron and Other Micro Nutrients Liquid Fertilizer - 32 Oz
In Stock: 24
$139.44 / $11.62 per unit
(minimum purchase of 12)
FoxFarm Bush Doctor Kelp Me Kelp You Kelp Supplement 0.5-0-0.5 - 1 Gal - Concentrate - OMRI Listed
In Stock: 30
$94.87 $104.29 -9%
FoxFarm Cultivation Nation Grow Fertilizer 2-1-6 - 1 Gal
In Stock: 24
$126.88 / $31.72 per unit
(minimum purchase of 4)
Grow More Sea Grow All Purpose Fertilizer 16-16-16 - 25 lb
Out of stock
$102.16 $103.99 -2%
Ferti-lome Root Stimulator and Plant Starter Solution 4-10-3 Liquid Concentrate - 16 Oz
In Stock: 245
$93.48 / $7.79 per unit
(minimum purchase of 12)
FoxFarm Cultivation Nation pH Down Nutrient Solution Adjuster - 1 Gal
In Stock: 32
$195.96 / $48.99 per unit
(minimum purchase of 4)
Grow More Sea Grow Bloom & Flower Fertilizer 4-26-26 - 25 lb
In Stock: 78
$155.99
Grow More Mendocino Producer's Choice Crystallizer Soluble Fertilizer 05-10-40 - 25 lb
In Stock: 62
$75.79 $85.07 -11%
Botanicare Hydroguard Bacillus Root Inoculant - 1 Gal
In Stock: 36
$71.47 $105.13 -32%
Grow More Citrus Grower Blend Fertilizer - 20 Oz
Out of stock
$169.80 / $14.15 per unit
(minimum purchase of 12)
General Hydroponics TrueFlo Irrigation Line Cleaner - 55 Gal
In Stock: 6
$659.19 $1,050.00 -37%
Grow More Cactus Juice 1-7-6 Fertilizer - 16 Oz
Out of stock
$74.40 / $6.20 per unit
(minimum purchase of 12)
General Hydroponics Purpinator Anthocyanin and Terpene Enhancer - 32 Oz
In Stock: 32
$21.80 $27.42 -20%
Espoma Organic Blood Meal 12-0-0 - 3 lb
In Stock: 156
$137.64 / $11.47 per unit
(minimum purchase of 12)
Espoma Organic Plant-tone 5-3-3 Plant Food - 50 lb
In Stock: 50
$42.94 $45.39 -5%
General Hydroponics TrueFlo Irrigation Line Cleaner - 6 Gal
In Stock: 121
$78.90 $125.00 -37%
Ferti-lome Chelated Iron and Other Micro Nutrients Liquid Fertilizer - 1 Gal
In Stock: 32
$93.00 / $23.25 per unit
(minimum purchase of 4)
Grow More All Seasons Plant Food 20-20-20 Fertilizer - 1.5 lb
In Stock: 588
$130.08 / $10.84 per unit
(minimum purchase of 12)
Cutting Edge Solutions Uncle John's Blend SP 4-0-27 Fertilizer - 5 lb
In Stock: 12
$325.40 $399.60 -19%
Espoma Organic Flower-tone 3-4-5 Plant Food - 4 lb
In Stock: 400
$94.32 / $7.86 per unit
(minimum purchase of 12)
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