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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

GreenGro Biologicals Flower Shower Post Wash Concentrate - 2 lb
In Stock: 20
$116.10 / $11.61 per unit
(minimum purchase of 10)
GreenGro Biologicals Green Aminos 0.5-0-5 | 2lb
In Stock: 419
$259.90 / $25.99 per unit
(minimum purchase of 10)
Osmocote Blend 18-5-8 Fertilizer Enhanced with E-Max Technology - 3-4 Month - 50 lb
In Stock: 16
$131.81
Myco Chum Premium Microbe Food | 5gal
In Stock: 13
$267.19 $319.29 -16%
Cutting Edge Solutions Micro 6-0-0, 1gal
In Stock: 11
$34.75 $41.99 -17%
Cutting Edge Solutions Grow 2-1-6, 1gal
In Stock: 23
$31.24 $36.99 -16%
STEP Hi-Mag Micronutrients Fertilizer - 50 lb
In Stock: 11
$97.15
Peters Professional 15-3-25 Flowering Crop Special Fertilizer with Black Iron - 25 lb
In Stock: 71
$59.29
Florikan Nutricote Total 13-11-11 | 180 Day Controlled Release - 50lb - (Pallet of 40)
Out of stock
$7,920.00 / $198.00 per unit
(minimum purchase of 40)
GreenGro Biologicals Granular Plus Mycorrhizae Soil Inoculant - 1 lb
In Stock: 168
$142.56 / $17.82 per unit
(minimum purchase of 8)
CYCO Platinum Series Supa Stiky Spreader-Sticker Additive 0.6-3-2 - 55 Gal
In Stock: 7
$3,081.14 $6,837.87 -55%
Plant-Prod MJ Boost Fertilizer 15-30-15 - 2 kg - Case of 6
In Stock: 6
$43.82
TNB Naturals pH Up Granules - Non-Caustic - 1 lb
In Stock: 13
$14.29 $19.99 -29%
Tappin' Roots Solid Bloom Nutrient Concentrate - 32 Oz
In Stock: 12
$165.48 / $13.79 per unit
(minimum purchase of 12)
Osmocote Blend 23-4-8 Fertilizer Enhanced with E-Max Technology & QuickStart - 5-6 Month - 50 lb
In Stock: 117
$96.24
ICL Peters Excel pHLow 15-7-25 Hi Mag Fertilizer - 25 lb
In Stock: 48
$62.49
GreenGro Biologicals Earthshine Biochar Blend Soil Amendment - 30 lb
In Stock: 23
$165.99
GreenGro Biologicals Pride Lands Veg 6-3-3.5 Fertilizer - 5 lb
In Stock: 155
$235.28 / $29.41 per unit
(minimum purchase of 8)
Old Truck Organics Rose & Flower Fertilizer - 2.2 lb
In Stock: 60
$26.34 / $4.39 per unit
(minimum purchase of 6)
Plantex Acid Water Soluble Fertilizer 21-7-7 - 25 lb
In Stock: 146
$50.57
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