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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...
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10 months 3 days
Grand Rapids, US
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Nutrients & Supplements

Nectar for The Gods Demeter's Destiny Liquid Calcium 0-0.5-0 | 32oz
In Stock: 22
$17.41 $21.99 -21%
HYGROZYME Horticultural Horticulture Enzyme Formula | 10L (2.64gal) - (Case of 2)
Out of stock
$613.14 / $306.57 per unit
(minimum purchase of 2)
FoxFarm Bush Doctor Kangaroots Root Drench Inoculant 0.8-0.1-0.03 | 16oz - Concentrate
In Stock: 459
$17.74 $19.99 -11%
HDI Ionic PK BOOST Plant Nutrient 0-5-6 | 1gal - (Case of 4)
In Stock: 256
$155.28 / $38.82 per unit
(minimum purchase of 4)
HDI Clonex Clone Solution | 5gal
In Stock: 86
$225.37 $280.74 -20%
HDI Ionic Bloom Plant Nutrient 3-2-6 | 5gal
In Stock: 58
$150.94 $188.03 -20%
Nectar for The Gods Pegasus Potion Feather Tea 1-2-0 | 32oz
In Stock: 37
$13.04 $15.99 -18%
SUPERthrive Vitamin Solution 0.5-0-0 | 32oz
In Stock: 662
$75.11 $79.99 -6%
Emerald Harvest pH Down | 55gal
In Stock: 5
$1,172.02 $2,750.00 -57%
Sustane 3-5-3 Compost Tea Bag | 12ct - 21gm Packs - OMRI Listed - (Case of 10)
In Stock: 10
$90.70 / $9.07 per unit
(minimum purchase of 10)
Emerald Harvest Bloom | 1gal - (Case of 4)
In Stock: 23
$93.72 / $23.43 per unit
(minimum purchase of 4)
HDI Ionic Bloom Plant Nutrient 3-2-6 | 1gal - (Case of 4)
In Stock: 48
$155.28 / $38.82 per unit
(minimum purchase of 4)
FoxFarm Bush Doctor Kelp Me Kelp You 0.5-0-0.5 | 32oz - Concentrate - OMRI Listed
In Stock: 158
$28.22 $34.99 -19%
FoxFarm Open Sesame Soluble Fertilizer 5-45-19 | 1lb Jar
In Stock: 90
$47.93 $52.99 -10%
FoxFarm Beastie Bloomz Fertilizer 0-50-30 | 1lb
In Stock: 220
$47.93 $52.99 -10%
FoxFarm Bush Doctor Bush Doctor Microbe Brew Microbial Inoculant 1-0.3-0.2 | 1gal
In Stock: 7
$144.77 $151.99 -5%
SUPERthrive Grow Liquid Plant Food 7-9-5 | 5gal
In Stock: 9
$262.29 $395.21 -34%
SUPERthrive Mag-Pro Nutritional Supplement 2-15-4 | 5gal
In Stock: 11
$257.15 $387.93 -34%
General Hydroponics ARMOR SI 0-0-4 | 32oz
In Stock: 338
$20.42 $31.89 -36%
Emerald Harvest pH Up | 32oz
In Stock: 99
$18.42 $25.50 -28%
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