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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

Soil Mender Alfalfa Meal - 5 lb
In Stock: 25
$103.80 / $20.76 per unit
(minimum purchase of 5)
Royal Gold Earthworm Castings Soil Amendment - 1 cu ft
In Stock: 309
$25.02 $32.74 -24%
Espoma Land & Sea Gourmet Compost - 1 cu ft
In Stock: 568
$13.23 $15.89 -17%
Jack's Professional 20-20-20 General-Purpose Fertilizer - 25 lb
In Stock: 593
$60.75
Grow More Tomato Food 18-18-21 - 1.5 lb
In Stock: 24
$131.76 / $10.98 per unit
(minimum purchase of 12)
Grow More Humic Acid 12% - 2.5 Gal
In Stock: 5
$25.87
Grow More 6-30-30 Fertilizer - 25 lb
Out of stock
$110.90 $112.99 -2%
Down To Earth Cottonseed Meal 6-2-1 Fertilizer - 20 lb
Out of stock
$34.22 $45.39 -25%
Reefertilizer Grow Fertilizer 20-5-10 - 600 mL
In Stock: 42
$23.90 $27.95 -14%
Cutting Edge Solutions Plant Amp Calcium Supplement - 32 Oz
In Stock: 10
$30.16 $34.99 -14%
Grow More E-Z Wet Soil Penetrant 26 - 32 Oz
Out of stock
$104.04 / $8.67 per unit
(minimum purchase of 12)
Great White® Premium Mycorrhizae 25lb Concentrate
Out of stock
$2,097.05 $2,482.70 -16%
Malibu Compost Bu's Blend Biodynamic Compost - 1 cu ft
In Stock: 1701
$24.92 $28.99 -14%
GreenGro Biologicals Pride Lands Premium Potting Soil - 1.5 cu ft
In Stock: 775
$25.52 $27.09 -6%
Jack's Elementals Calcium Chloride Dihydrate - 1 lb
In Stock: 14
$17.31
Down To Earth Bio-Turf 8-3-5 Natural Granular Fertilizer - 25 lb - OMRI Listed
In Stock: 10
$56.29 $73.79 -24%
CYCO Platinum Series Bloom Part A Base Nutrient 2-0-2 - 5 Gal
In Stock: 12
$81.93 $130.36 -37%
Grow More Hawaiian Bud Fertilizer 5-50-17 - 25 lb
In Stock: 12
$105.92 $133.72 -21%
Grow More All-Season's Plant Food 20-20-20 - 1 Oz
Out of stock
$77.88 / $6.49 per unit
(minimum purchase of 12)
Grow More All Purpose Fertilizer 30-10-10 - 25 lb
In Stock: 176
$68.12 $69.29 -2%
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