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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

Big Foot Mycorrhizae Gold + Beneficial Bacteria Root Inoculant - 1 Oz - 20-Count Display
In Stock: 21
$142.56
Down To Earth Citrus Mix 6-3-3 Fertilizer - 3-Pack of 5 lb - OMRI Listed
In Stock: 163
$31.03 $42.19 -26%
Cutting Edge Solutions Mag Amped Magnesium-Sulfur Supplement - 32 Oz
In Stock: 56
$16.33 $34.99 -53%
General Hydroponics Purpinator Anthocyanin and Terpene Enhancer - 1 Gal
In Stock: 32
$70.63 $91.46 -23%
Jack's Professional 20-10-20 General Purpose Fertilizer - 25 lb
In Stock: 23
$56.20
Cutting Edge Solutions Sour-Dee SP 0-0-24 Bloom Supplement - 5 lb
In Stock: 13
$176.22 $222.00 -21%
Espoma Organic Bio-tone Starter Plus 4-3-3 Plant Food Plus Mycorrhizae - 5 Oz Single-Use Dose Packet
In Stock: 382
$37.80 / $1.89 per unit
(minimum purchase of 20)
CYCO Platinum Series Kleanse Flushing Solution - 1 Gal
In Stock: 20
$25.87 $40.54 -36%
FoxFarm Cultivation Nation Micro Fertilizer 5-0-1 - 1 Gal
In Stock: 24
$136.52 / $34.13 per unit
(minimum purchase of 4)
BioAg Evolostrum 1-0-2 Soil & Plant Enhancer - 1 Gal - OMRI Listed
In Stock: 2
$75.93 $105.46 -28%
Coast of Maine Acid Loving Planting Soil - 20 Qt - Target pH 5.0
In Stock: 1723
$128.20 / $12.82 per unit
(minimum purchase of 10)
Grow More Sea Grow All Purpose Fertilizer 16-16-16 - 25 lb
Out of stock
$101.96 $103.99 -2%
Grow More Hula Bloom Fertilizer 00-50-30 - 1.5 lb
In Stock: 8
$12.61 $15.08 -16%
Grow More Indoor & Outdoor Tropical Plant Food - 1.25 lb
Out of stock
$116.52 / $9.71 per unit
(minimum purchase of 12)
Grow More Soluble Palm Food 15-5-15 - 1.5 lb
In Stock: 48
$128.28 / $10.69 per unit
(minimum purchase of 12)
Grow More Armor Kote Potassium Silicate Supplement 0-0-3 (7.5% Soluble Silicon) - 2.5 Gal
In Stock: 6
$51.52 $61.87 -17%
Brandt Sequestar Iron Chelate 6% Fe EDDHA - 5 lb
In Stock: 116
$86.58
Grow More Soil Acidifier 30-10-10 - 1.5 lb
In Stock: 60
$128.40 / $10.70 per unit
(minimum purchase of 12)
Espoma Organic Plant-tone 5-3-3 Plant Food - 8 lb
In Stock: 96
$65.70 / $10.95 per unit
(minimum purchase of 6)
Grow More Premium Orchid Food Growth 30-10-10 - 10 Oz
Out of stock
$75.00 / $6.25 per unit
(minimum purchase of 12)
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