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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

HDI Ionic Bloom Plant Nutrient 3-2-6 - 5 Gal
In Stock: 42
$150.94 $188.03 -20%
HDI Clonex Clone Solution - 5 Gal
Out of stock
$225.37 $280.74 -20%
HDI Clonex Mist Root Promoter - 750 mL
Out of stock
$202.26 / $33.71 per unit
(minimum purchase of 6)
FoxFarm Bush Doctor Kangaroots Root Drench Inoculant 0.8-0.1-0.03 - 16 Oz - Concentrate
In Stock: 406
$19.15 $19.99 -4%
Nectar for the Gods Demeter's Destiny Liquid Calcium 0-0.5-0 - 1 Gal
Out of stock
$208.92 / $52.23 per unit
(minimum purchase of 4)
Biomin Copper Micronutrient Supplement - 2.5 Gal - OMRI Listed
Out of stock
$128.53
HDI MotherPlant Nutrients Part B - 2.5 Gal
In Stock: 27
$159.56 / $79.78 per unit
(minimum purchase of 2)
HDI Ionic Bloom Plant Nutrient 3-2-6 - 1 Gal
In Stock: 8
$155.28 / $38.82 per unit
(minimum purchase of 4)
SuperThrive Vitamin Solution 0.5-0-0 - 32 Oz
Out of stock
$76.27 $79.99 -5%
Emerald Harvest Bloom 0-5-4 Base Nutrient - 1 Gal
In Stock: 16
$93.72 / $23.43 per unit
(minimum purchase of 4)
Emerald Harvest pH Down Adjuster - 55 Gal
In Stock: 5
$986.96 $2,750.00 -64%
South Cascade Organics SLF-100 Liquid Fertilizer - 1 Gal - OMRI Listed
In Stock: 4
$406.52 / $101.63 per unit
(minimum purchase of 4)
BioAg Ful-Humix Humic Acid Concentrate - 300 g - OMRI Listed
In Stock: 36
$292.80 / $24.40 per unit
(minimum purchase of 12)
Sipco Hyclean Non-Toxic Line and Equipment Cleaner for Irrigation Systems - 20 L
In Stock: 134
$385.35 $389.24 -1%
FoxFarm Bush Doctor Kelp Me Kelp You Kelp Supplement 0.5-0-0.5 - 32 Oz - Concentrate - OMRI Listed
In Stock: 62
$29.76 $34.99 -15%
HDI Ionic PK Boost Plant Nutrient 0-5-6 - 1 Gal
In Stock: 228
$155.28 / $38.82 per unit
(minimum purchase of 4)
FoxFarm Bush Doctor Microbe Brew Microbial Inoculant 1-0.3-0.2 - 1 Gal
In Stock: 3
$151.99
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 - 1 lb Jar
In Stock: 30
$51.30 $54.69 -6%
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 - 15 lb Jar
In Stock: 85
$252.33 $267.99 -6%
Nectar for the Gods Persephone's Palate Nutrient Supplement - 2.5 Gal
In Stock: 14
$95.74 / $47.87 per unit
(minimum purchase of 2)
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