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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

Plantex Cal Mag + P Water Soluble Fertilizer 12-2-14 - 25 lb
In Stock: 116
$45.89
Grower Select H2 Professional Mix Growing Medium (Northern) - 2.8 cu ft
In Stock: 228
$46.86
Cutting Edge Solutions Louder Powder Grow B 8-13-31 Granular Fertilizer - 5 lb
In Stock: 50
$37.26 $49.99 -25%
GreenGro Biologicals Flower Finisher Fertilizer - 10 lb
In Stock: 12
$805.96 / $201.49 per unit
(minimum purchase of 4)
GreenGro Biologicals Pride Lands Veg 6-3-3.5 Fertilizer - 5 lb
In Stock: 147
$242.08 / $30.26 per unit
(minimum purchase of 8)
CYCO Platinum Series Suga Rush Carbohydrate Supplement 0-0.5-0.3 - 55 Gal
In Stock: 3
$1,888.64 $2,975.19 -37%
HUMANE NutriDense Organic Indoor Plant Food - 40-Count
In Stock: 104
$42.90
Ferti-lome Yield Booster Concentrate Plant Food - 16 Oz
In Stock: 41
$120.84 / $10.07 per unit
(minimum purchase of 12)
Plantex Acid Water Soluble Fertilizer 21-7-7 - 25 lb
In Stock: 136
$50.57
Peters Excel pHLow 19-11-21 Multi-Purpose Fertilizer with Black Iron - 25 lb
In Stock: 10
$62.49
Grow More Herb Food 5-1-5 Fertilizer - 16 Oz
In Stock: 60
$81.00 / $6.75 per unit
(minimum purchase of 12)
Plant-Prod Potassium Sulfate 0-0-52 Fertilizer - 55 lb
In Stock: 166
$104.67
Bonide Root & Grow Root Stimulator 4-10-3 - 32 Oz - Concentrate
In Stock: 708
$114.48 / $9.54 per unit
(minimum purchase of 12)
Cutting Edge Solutions Cal Mag Amplified 2-0-0 Cal-Mag Supplement - 1 Gal
In Stock: 2
$51.35 $61.99 -17%
Plant-Prod MJ Bloom Fertilizer 10-30-20 - 2 kg - Case of 6
In Stock: 30
$47.70
Old Truck Organics Rose & Flower Fertilizer - 2.2 lb
In Stock: 60
$31.14 / $5.19 per unit
(minimum purchase of 6)
Grow More Citrus Food 20-10-15 Fertilizer - 1.5 lb
In Stock: 168
$131.88 / $10.99 per unit
(minimum purchase of 12)
CYCO Platinum Series Suga Rush Carbohydrate Supplement 0-0.5-0.3 - 5 Gal
In Stock: 14
$212.44 $334.43 -36%
Bonide Root & Grow Root Stimulator 4-10-3 - 1 Gal - Concentrate
In Stock: 129
$86.84 / $21.71 per unit
(minimum purchase of 4)
Osmocote Blend 17-5-11 Fertilizer - 3-4 Month - 50 lb
In Stock: 5
$124.97
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