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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

Nature's Source Professional Plant Food 10-4-3 Concentrate - 55 Gal Drum
In Stock: 3
$1,012.85
Florikan Nutricote Total 14-4-14 | 140 Day Controlled Release - 50lb
In Stock: 36
$198.00
CYCO Platinum Series Swell Bloom Supplement 1-5-3 - 55 Gal
In Stock: 3
$2,320.38 $3,904.71 -41%
Grower Select Mag Triple Iron Fertilizer 18-6-18 - 25 lb
In Stock: 821
$53.16
Ferti-lome Blooming and Rooting Soluble Plant Food 9-58-8 Granules - 12 lb
In Stock: 16
$236.40 / $59.10 per unit
(minimum purchase of 4)
Plantex Cal Mag Water Soluble Fertilizer 14-0-14 - 25 lb
In Stock: 34
$44.27
Peters Professional 14-0-8 Hydroponic Boost Fertilizer - Base Formula - 25 lb
In Stock: 395
$52.91
Osmocote Blend Topdress Special 22-5-6 Fertilizer Enhanced with QuickStart Micronutrients - 4-5 Month - 50 lb
Out of stock
$131.36
Osmocote Classic 13-13-13 Fertilizer - 8-9 Month - 50 lb
Out of stock
$134.68
General Hydroponics Ripen 0.5-7-6 Bloom Supplement - 6 Gal
In Stock: 9
$350.60 $599.94 -42%
HUMANE Best in Show All Purpose Plant Food 4-6-5 - 1.25 lb
Out of stock
$99.84 / $8.32 per unit
(minimum purchase of 12)
MYKOS® WP Pure Mycorrhizal Inoculant - 50 lb - Wettable Powder
Out of stock
$837.49 $1,042.80 -20%
Botanicare Rhizo Blast Root Stimulant 1.15-0.5-1.15 - 1 Gal
In Stock: 68
$254.42 $376.60 -32%
Jack's Classic ClassiCote with CrystalGreen 15-8-23 Time-Release Fertilizer - 6 lb Shaker Jar
In Stock: 420
$170.24 / $42.56 per unit
(minimum purchase of 4)
CYCO Platinum Series Bloom Part A Base Nutrient 2-0-2 - 55 Gal
In Stock: 4
$698.32 $1,193.70 -41%
Ferti-lome Yield Booster Concentrate Plant Food - 16 Oz
In Stock: 173
$102.36 / $8.53 per unit
(minimum purchase of 12)
Peters Professional 15-5-25 Peat-Lite Flowering Crop Special Fertilizer - 25 lb
In Stock: 6
$62.95
Cutting Edge Solutions SourDee 0-0-2 Nutrient Supplement - 6 Gal
In Stock: 4
$280.19 $349.99 -20%
GreenGro Biologicals Hybrid Bloom 2-18-18 Soluble Powder Fertilizer - 6 lb
In Stock: 12
$242.88 / $60.72 per unit
(minimum purchase of 4)
Botanicare Hydroguard Bacillus Root Inoculant - 32 Oz
In Stock: 14
$28.17 $43.87 -36%
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