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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

Osmocote Plus 15-8-11 Tablets Plus Minors - 7.5g Tablets - 1000-Count
In Stock: 142
$128.63
Sipco Hygroben Beneficial Microbes Liquid Inoculant - 1 L
In Stock: 72
$214.68 / $17.89 per unit
(minimum purchase of 12)
Peters Professional 21-7-7 Acid Special Fertilizer - 25 lb
In Stock: 160
$47.44
Jack's Classic Blossom Booster 10-30-20 Water-Soluble Fertilizer - 4 lb
In Stock: 389
$155.28 / $25.88 per unit
(minimum purchase of 6)
Brandt Sequestar Iron Chelate 11% Fe DTPA - 25 lb
In Stock: 11
$457.05
Carl Pool BR-61 Plant Food & Blossom Booster 9-58-8 - 8 Oz - Water Soluble
In Stock: 36
$81.72 / $6.81 per unit
(minimum purchase of 12)
Plantex Cal Plus Water Soluble Fertilizer 15-0-15 - 25 lb
In Stock: 7
$47.03
Dramm Drammatic Organic Fertilizer with Kelp - 32 Oz
In Stock: 108
$216.12 / $18.01 per unit
(minimum purchase of 12)
Soul Big Swell Bloom Booster 2-5-3 - 32 Oz Concentrate
In Stock: 5
$21.91 $49.99 -56%
Peters Professional 20-3-19 Petunia Special Fertilizer with Black Iron - 25 lb
In Stock: 1
$57.93
Florikan NPK Pro Fast Start 12-6-8 Controlled-Release Fertilizer with GAL-XeONE - 90 Day Release - 50 lb
In Stock: 42
$106.88
Jack's Professional Epsom Salt (Magnesium Sulfate) - 25 lb
In Stock: 3
$65.68
Peters Professional 5-11-26 Hydroponic Special Fertilizer - 25 lb
In Stock: 3
$64.77
Florikan Max Micronutrient Mix - 8 Essential Minerals - 50 lb
In Stock: 50
$203.50
Botanicare® Vitamino® 0.1-0-0 — 2.5 gal
In Stock: 8
$140.07 $206.61 -32%
Gaia Green Mineralized Phosphate 0-9-0 | 2kg
In Stock: 21
$53.10 / $8.85 per unit
(minimum purchase of 6)
Florikan Gal-XeOne 12-4-11 Advantage Controlled-Release Fertilizer - 100 Day Release - 50 lb
In Stock: 8
$162.25
GreenGro Biologicals Earthshine Biochar Blend Soil Amendment - 5 lb
In Stock: 100
$125.08 / $31.27 per unit
(minimum purchase of 4)
GreenGro Biologicals EZ Grow Box Organic Nutrient Kit - 6-Piece Set
In Stock: 2
$147.53 $155.89 -5%
Sipco Hygroben Beneficial Microbes Liquid Inoculant - 10 L
In Stock: 26
$380.96 / $190.48 per unit
(minimum purchase of 2)
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