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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

Grow More Bonsai Nutrient Blend Concentrate - 8 Oz
In Stock: 168
$61.68 / $5.14 per unit
(minimum purchase of 12)
Grow More Hydrangea Bluing Formula - 2 lb
In Stock: 108
$116.88 / $9.74 per unit
(minimum purchase of 12)
Nature's Source Organic Plant Food 3-1-1 Concentrate - 4.7 Gal
In Stock: 31
$118.83
Grow More Edda Iron Chelate 6% Fertilizer - 1 lb
Out of stock
$224.16 / $18.68 per unit
(minimum purchase of 12)
Sipco Hygroben Beneficial Microbes Liquid Inoculant - 10 L
In Stock: 26
$357.64 / $178.82 per unit
(minimum purchase of 2)
TNB Naturals The Enricher Plant Booster - 250 g
In Stock: 83
$7.46 $24.99 -70%
PRO-MIX BRK MYCORRHIZAE Peat/Bark Mix | 2.8cu ft - Loose Fill (48/PL)
In Stock: 166
$36.56
Plantex Solutions Complete Plus Water Soluble Fertilizer 19-8-13 - 25 lb
In Stock: 22
$62.59
TNB Naturals Kelptastic Kelp Meal - 1 lb
In Stock: 15
$6.37 $15.99 -60%
Osmocote Blend 19-6-9 Fertilizer with Fusion Technology - 5-6 Month - 50 lb
In Stock: 266
$136.03
Yum Yum Mix Organic Fertilizer 2-1-1 - 4.5 lb Shaker Canister
In Stock: 90
$121.25 / $24.25 per unit
(minimum purchase of 5)
Plantex Cal Plus Water Soluble Fertilizer 15-0-15 - 25 lb
In Stock: 7
$47.03
Jack's Professional 21-5-20 All Purpose LX Fertilizer - 25 lb
In Stock: 101
$56.57
Peters S.T.E.M. Fertilizer - 2.64 Gal
In Stock: 126
$176.60
Jack's Classic All-Purpose 20-20-20 Water-Soluble Fertilizer - Sample Pack - 350-Count
In Stock: 30
$185.71
Cutting Edge Solutions Louder Powder Grow A 15-0-0 Granular Fertilizer - 50 lb
In Stock: 16
$114.93 $349.99 -67%
Grow More Seaweed Extract 0.10-0-0.44 Fertilizer - 32 Oz
In Stock: 108
$147.36 / $12.28 per unit
(minimum purchase of 12)
Soil Mender Rock Phosphate - 5 lb
In Stock: 66
$177.96 / $14.83 per unit
(minimum purchase of 12)
Plant-Prod Mono Potassium Phosphate 0-52-34 Fertilizer - 55 lb
In Stock: 190
$155.27
Osmocote Blend 23-4-8 Fertilizer Enhanced with E-Max Technology & QuickStart - 8-9 Month - 50 lb
In Stock: 90
$96.70
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