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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

BioAg VAM Endo-Mix Mycorrhizal Fungi Inoculant - 300 g
In Stock: 48
$542.16 / $45.18 per unit
(minimum purchase of 12)
FoxFarm Dirty Dozen Liquids & Solubles Starter Pack - 12-Piece
In Stock: 17
$375.72 / $187.86 per unit
(minimum purchase of 2)
BioAg CytoPlus 0-0-7.5 Silicon Supplement - 300 g
In Stock: 48
$473.28 / $39.44 per unit
(minimum purchase of 12)
General Hydroponics Armor Si 0-0-4 Silica Supplement - 55 Gal
In Stock: 29
$1,641.48 $3,301.84 -50%
Microbe Life Hydroponics Vegetable & Fruit Yield Enhancer - 32 Oz
In Stock: 54
$375.00 / $31.25 per unit
(minimum purchase of 12)
General Hydroponics ARMOR SI 0-0-4 | 32oz
General Hydroponics ARMOR SI 0-0-4 | 32oz
In Stock: 29
$21.57 $31.89 -32%
Emerald Harvest pH Down Adjuster - 32 Oz
In Stock: 8
$19.13 $25.50 -25%
Nectar for the Gods Persephone's Palate Nutrient Supplement - 1 Gal
In Stock: 8
$134.72 / $33.68 per unit
(minimum purchase of 4)
Nectar for the Gods Mega Morpheus Guano Tea 0-2-0 - 1 Gal
In Stock: 8
$160.48 / $40.12 per unit
(minimum purchase of 4)
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 - 6 Oz Jar
In Stock: 118
$286.92 / $23.91 per unit
(minimum purchase of 12)
HDI Clonex Mist Root Promoter Concentrate - 32 Oz
In Stock: 18
$349.62 / $58.27 per unit
(minimum purchase of 6)
HDI MotherPlant Nutrients Part A - 1 Gal
In Stock: 16
$170.76 / $42.69 per unit
(minimum purchase of 4)
HDI Ionic Bloom Plant Nutrient 3-2-6 - 5 Gal
In Stock: 41
$154.65 $188.03 -18%
FoxFarm Bush Doctor Kangaroots Root Drench Inoculant 0.8-0.1-0.03 - 16 Oz - Concentrate
In Stock: 368
$19.10 $21.19 -10%
HDI Clonex Mist Root Promoter - 750 mL
Out of stock
$207.24 / $34.54 per unit
(minimum purchase of 6)
Nectar for the Gods Demeter's Destiny Liquid Calcium 0-0.5-0 - 1 Gal
Out of stock
$214.04 / $53.51 per unit
(minimum purchase of 4)
SuperThrive Vitamin Solution 0.5-0-0 - 32 Oz
Out of stock
$78.18 $81.69 -4%
HDI Clonex Clone Solution - 5 Gal
Out of stock
$230.91 $280.74 -18%
HDI Clonex Clone Solution - 1 Gal
Out of stock
$53.96 $65.59 -18%
HDI Ionic Bloom Plant Nutrient 3-2-6 - 1 Gal
In Stock: 4
$159.08 / $39.77 per unit
(minimum purchase of 4)
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