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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 Hades Down pH Down Supplement 0-1-0 - 1 Gal
In Stock: 12
$147.88 / $36.97 per unit
(minimum purchase of 4)
Emerald Harvest Grow 2-1-6 Base Nutrient - 2.5 Gal
In Stock: 6
$55.37 $80.00 -31%
Emerald Harvest Cal-Mag 2-0-0 Supplement - 15 Gal
In Stock: 1
$157.17 $442.86 -65%
Emerald Harvest pH Up Adjuster - 1 Gal
In Stock: 12
$57.29 $77.00 -26%
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 - 15 lb Jar
In Stock: 75
$237.53 $251.99 -6%
Botanicare Sweet Berry Plant Food | 2.5gal
In Stock: 89
$140.92 $219.16 -36%
Emerald Harvest Bloom 0-5-4 Base Nutrient - 2.5 Gal
In Stock: 4
$32.11 $80.00 -60%
Emerald Harvest Cal-Mag 2-0-0 Supplement - 6 Gal
In Stock: 12
$118.05 $250.00 -53%
General Hydroponics ARMOR SI 0-0-4 | 6gal
In Stock: 80
$255.89 $438.39 -42%
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 - 1 lb Jar
In Stock: 43
$53.18 $55.99 -5%
Emerald Harvest pH Up Adjuster - 6 Gal
In Stock: 4
$235.48 $352.00 -33%
Emerald Harvest Honey Chome 0.5-0.5-1 Enhancer - 15 Gal
In Stock: 7
$466.44 $1,314.29 -65%
Emerald Harvest Emerald Goddess 2-1-4 Plant Tonic - 2.5 Gal
In Stock: 12
$262.98 $380.00 -31%
Emerald Harvest Micro 5-0-1 Base Nutrient - 2.5 Gal
In Stock: 5
$40.14 $100.00 -60%
Emerald Harvest King Kola 0.3-2-3 Bloom Booster - 2.5 Gal
In Stock: 4
$262.98 $380.00 -31%
General Hydroponics Armor Si 0-0-4 Silica Supplement - 1 Gal
In Stock: 45
$50.12 $77.93 -36%
Emerald Harvest King Kola 0.3-2-3 Bloom Booster - 1 Gal (FL, NM, PA Label)
In Stock: 9
$40.56 $160.00 -75%
CYCO Platinum Series Ryzofuel Root Stimulator 0-0-0.2 - 20 L
In Stock: 18
$413.10 $930.78 -56%
FoxFarm Bush Doctor Boomerang Comeback Formula Fertilizer 2-0.2-0.3 - 1 Gal
In Stock: 162
$126.23 $127.99 -1%
Emerald Harvest Micro 5-0-1 Base Nutrient - 6 Gal
In Stock: 46
$75.47 $188.00 -60%
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