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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
10 months 3 days
Grand Rapids, US
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Nutrients & Supplements

Peters Professional 20-3-19 Petunia Special with Black Iron | 25lb (80/PL)
In Stock: 89
$55.78 $64.74 -14%
Osmocote Blend 19-6-9 5-6mo. Fertilizer with Fusion Technology | 50lb (40/PL)
In Stock: 108
$133.96 $155.28 -14%
Florikan Nutricote Total 14-4-14 | 100 Day Controlled Release - 50lb
In Stock: 13
$195.00
GreenGro Biologicals Earthshine Biochar Blend | 30lb
In Stock: 24
$165.99
GreenGro Biologicals Pride Lands Bloom & Flower 2-5.5-5.5 | 10lb
In Stock: 20
$208.24 / $52.06 per unit
(minimum purchase of 4)
GreenGro Biologicals Flower Finisher | 2lb - (Case of 10)
In Stock: 79
$424.10 / $42.41 per unit
(minimum purchase of 10)
GreenGro Biologicals Flower Finisher | 10lb - (Case of 4)
In Stock: 8
$795.48 / $198.87 per unit
(minimum purchase of 4)
GreenGro Biologicals Hybrid Bloom 2-18-18 | 2lb - Hybrid Soluble Powder - (Case of 6)
Out of stock
$156.00 / $26.00 per unit
(minimum purchase of 6)
GreenGro Biologicals Hybrid Veg 12-12-15 | 2lb - Hybrid Soluble Powder - (Case of 6)
Out of stock
$156.00 / $26.00 per unit
(minimum purchase of 6)
GreenGro Biologicals Hybrid Veg 12-12-15 | 6lb - Hybrid Soluble Powder - (Case of 4)
In Stock: 32
$242.88 / $60.72 per unit
(minimum purchase of 4)
GreenGro Biologicals Premium Ultrafine Mycorrhizae | 8oz - Soluble Powder - For Hydroponic & Soil Drench Applications - (Case of 6)
Out of stock
$214.08 / $35.68 per unit
(minimum purchase of 6)
GreenGro Biologicals Granular Plus Mycorrhizae | 1lb - Granules - For Soil-based Applications - (Case of 8)
In Stock: 200
$142.56 / $17.82 per unit
(minimum purchase of 8)
GreenGro Biologicals Granular Plus Mycorrhizae | 2lb - Granules - For Soil-based Applications - (Case of 8)
In Stock: 159
$196.32 / $24.54 per unit
(minimum purchase of 8)
Grow More Magnum Rose Food | 1.5lb Jar - (Case of 12)
In Stock: 36
$121.80 / $10.15 per unit
(minimum purchase of 12)
Grow More Cactus Juice 1-7-6 | 16oz Jar - (Case of 12)
In Stock: 1668
$73.20 / $6.10 per unit
(minimum purchase of 12)
Grow More Bonsai Nutrient Blend | 8oz - Concentrate - (Case of 12)
In Stock: 528
$61.68 / $5.14 per unit
(minimum purchase of 12)
Grow More Seaweed Extract 0.10-0-0.44 | 1gal - Jug
In Stock: 63
$149.64 / $37.41 per unit
(minimum purchase of 4)
Grow More Herb Food 5-1-5 | 16oz Jar - (Case of 12)
In Stock: 72
$78.60 / $6.55 per unit
(minimum purchase of 12)
Grow More Iron Chelate 10% | 24oz
In Stock: 60
$202.20 / $16.85 per unit
(minimum purchase of 12)
Grow More Hawaiian Bud & Bloom | 1.5lb Jar - (Case of 12)
In Stock: 631
$133.80 / $11.15 per unit
(minimum purchase of 12)
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