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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

Nectar for the Gods Pegasus Potion Feather Tea 1-2-0 - 1 Gal
In Stock: 36
$64.64 / $16.16 per unit
(minimum purchase of 4)
Nectar for the Gods Demeter's Destiny Liquid Calcium 0-0.5-0 - 32 Oz
In Stock: 22
$17.41 $21.99 -21%
Nectar for the Gods Pegasus Potion Feather Tea 1-2-0 - 32 Oz
In Stock: 37
$13.04 $15.99 -18%
Roots Organics Uprising Grow 6-1-2 Granular Fertilizer - 3 lb
In Stock: 12
$16.92 / $5.64 per unit
(minimum purchase of 3)
BioAg VAM Endo-Mix Mycorrhizal Fungi Inoculant - 300 g
In Stock: 48
$527.40 / $43.95 per unit
(minimum purchase of 12)
General Hydroponics Armor Si 0-0-4 Silica Supplement - 55 Gal
In Stock: 32
$1,457.00 $3,301.84 -56%
BioAg CytoPlus 0-0-7.5 Silicon Supplement - 300 g
In Stock: 48
$460.32 / $38.36 per unit
(minimum purchase of 12)
FoxFarm Dirty Dozen Liquids & Solubles Starter Pack - 12-Piece
In Stock: 21
$365.40 / $182.70 per unit
(minimum purchase of 2)
General Hydroponics ARMOR SI 0-0-4 | 32oz
General Hydroponics ARMOR SI 0-0-4 | 32oz
In Stock: 77
$20.42 $31.89 -36%
Emerald Harvest pH Down Adjuster - 32 Oz
In Stock: 16
$18.42 $25.50 -28%
Nectar for the Gods Bloom Khaos Foliar Spray 0-0-0.5 - 1 Gal
In Stock: 5
$226.20 / $56.55 per unit
(minimum purchase of 4)
Microbe Life Hydroponics Vegetable & Fruit Yield Enhancer - 32 Oz
In Stock: 102
$358.08 / $29.84 per unit
(minimum purchase of 12)
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 - 6 Oz Jar
In Stock: 336
$288.00 / $24.00 per unit
(minimum purchase of 12)
HDI Clonex Mist Root Promoter Concentrate - 32 Oz
In Stock: 21
$341.28 / $56.88 per unit
(minimum purchase of 6)
Nectar for the Gods Persephone's Palate Nutrient Supplement - 1 Gal
In Stock: 8
$125.68 / $31.42 per unit
(minimum purchase of 4)
Sipco Hygrozyme Horticultural Enzyme Formula - 10 L
Out of stock
$622.56 / $311.28 per unit
(minimum purchase of 2)
HDI MotherPlant Nutrients Part A - 1 Gal
In Stock: 20
$166.68 / $41.67 per unit
(minimum purchase of 4)
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 - The Silicon Solution - 5 Gal
In Stock: 15
$212.08 $323.45 -34%
Nectar for the Gods Mega Morpheus Guano Tea 0-2-0 - 1 Gal
In Stock: 8
$156.52 / $39.13 per unit
(minimum purchase of 4)
HDI Clonex Clone Solution - 1 Gal
Out of stock
$52.66 $65.59 -20%
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