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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 Bloom 12-7-18 Fertilizer - 5-6 Month - 50 lb
In Stock: 143
$77.15
Osmocote Plus 15-9-12 Lo Start Fertilizer - 8-9 Month - 50 lb
In Stock: 93
$138.24
Florikan Gal-XeOne 12-4-11 Advantage Controlled-Release Fertilizer - 180 Day Release - 50 lb
In Stock: 91
$167.75
Jack's Nutrients 7-15-30 Finish Fertilizer - 25 lb
In Stock: 59
$89.40
Plant-Prod MJ Boost Fertilizer 15-30-15 - 2 kg - Case of 6
In Stock: 6
$43.82
Dramm Drammatic Organic Fertilizer with Kelp - 1 Gal
In Stock: 25
$169.24 / $42.31 per unit
(minimum purchase of 4)
Osmocote Blend 17-5-11 Fertilizer - 8-9 Month - 50 lb
In Stock: 58
$127.25
Grow More Sea Grow All Purpose 16-16-16 Fertilizer - 1.5 lb
In Stock: 48
$183.60 / $15.30 per unit
(minimum purchase of 12)
Plantex 1-3-4 Premix Fertilizer - 50 lb
In Stock: 1
$58.86
Ferti-lome Compost Maker Compost Activator - 3 lb
In Stock: 288
$94.44 / $7.87 per unit
(minimum purchase of 12)
Plantex Acidic High N Low P Water Soluble Fertilizer 20-2-20 - 25 lb
In Stock: 1
$57.08
Grower Select M2 Professional Mix Growing Medium (Northern) - 2.8 cu ft
In Stock: 70
$42.27
GreenGro Biologicals Premium Ultrafine Mycorrhizae Soil Inoculant - 4 Oz
In Stock: 29
$130.30 / $13.03 per unit
(minimum purchase of 10)
GreenGro Biologicals Premium Worm Castings - 4 lb
In Stock: 141
$15.67 $19.79 -21%
Grow More Magnum Rose Food Fertilizer - 1.5 lb
In Stock: 12
$123.36 / $10.28 per unit
(minimum purchase of 12)
Ferti-lome Rooting Powder Rooting Hormone - 2 Oz
Out of stock
$75.84 / $6.32 per unit
(minimum purchase of 12)
Florikan Nutricote Total 13-11-11 | 100 Day Controlled Release - 50lb
In Stock: 53
$198.00
Grow More Seaweed Extract 0.10-0-0.44 Fertilizer - 16 Oz
Out of stock
$92.40 / $7.70 per unit
(minimum purchase of 12)
Ferti-lome Blooming and Rooting Soluble Plant Food 9-58-8 Granules - 1.5 lb
In Stock: 730
$129.60 / $10.80 per unit
(minimum purchase of 12)
GreenGro Biologicals Granular Plus Mycorrhizae Soil Inoculant - 2 lb
In Stock: 119
$209.84 / $26.23 per unit
(minimum purchase of 8)
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