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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

Botanicare Pure Blend Pro Bloom Formula 2-3-5 - 2.5gal
In Stock: 12
$112.07 $174.46 -36%
FoxFarm Cultivation Nation Cal-Mag Supplement - 16 Oz
In Stock: 228
$133.08 / $11.09 per unit
(minimum purchase of 12)
Down To Earth Bat Guano 7-3-1 Organic Fertilizer - 10 lb - OMRI Listed
In Stock: 89
$34.93 $51.49 -32%
True Organic All-Purpose Plant Food 5-4-5 - 4.5 lb Shaker Jug
In Stock: 252
$29.88 / $4.98 per unit
(minimum purchase of 6)
Microbe Life Hydroponics Foliar Spray & Root Dip - 16 Oz
In Stock: 37
$227.16 / $18.93 per unit
(minimum purchase of 12)
Coop Poop All-Purpose Garden Food by Healthy Grow | 25lb - OMRI Listed
In Stock: 645
$19.67 $24.29 -19%
Botanicare Liquid Karma 0.1-0.1-0.5 - 2.5gal
In Stock: 11
$139.41 $216.57 -36%
SUPERthrive Bloom Plant Nutrients 3-12-6 - 8 Oz
In Stock: 8328
$88.44 / $7.37 per unit
(minimum purchase of 12)
Great White Granular 1 Mycorrhizal | 20lb - OMRI Listed
In Stock: 8
$186.45 $225.34 -17%
Sustane 8-2-4 All Natural Fertilizer - 50 lb - OMRI Listed
In Stock: 114
$100.18
Down To Earth Acid Mix 4-3-6 Fertilizer for Acid-Loving Plants - 25 lb
In Stock: 817
$40.74 $54.39 -25%
FoxFarm Beastie Bloomz Fertilizer 0-50-30 - 1 lb
In Stock: 127
$51.30 $54.69 -6%
Great White Granular 1 Mycorrhizal | 2.2lb - OMRI Listed
In Stock: 20
$325.68 / $27.14 per unit
(minimum purchase of 12)
FoxFarm Big Bloom Fertilizer 0-0.5-0.7 - 16 Oz - Concentrate - OMRI Listed
Out of stock
$157.80 / $13.15 per unit
(minimum purchase of 12)
Down To Earth Fish Powder 12-1-1 Fertilizer - 1 lb
In Stock: 24
$81.42 / $13.57 per unit
(minimum purchase of 6)
Down To Earth Feather Meal 12-0-0 Organic Fertilizer - 4 lb - OMRI Listed
In Stock: 875
$73.14 / $12.19 per unit
(minimum purchase of 6)
Plant Success Orca Liquid Mycorrhizae Concentrate - 16 Oz
In Stock: 32
$35.35 $44.11 -20%
Maxicrop Soluble Seaweed Powder 0-0-17 - 10.7 Oz - OMRI Listed
In Stock: 254
$254.16 / $21.18 per unit
(minimum purchase of 12)
FoxFarm Happy Frog All-Purpose Fertilizer 6-4-5 - 4 lb - OMRI Listed
In Stock: 1140
$151.44 / $12.62 per unit
(minimum purchase of 12)
Xtreme Gardening Mykos Granular Mycorrhizal Inoculant - 20 Lb
In Stock: 2
$352.10 / $176.05 per unit
(minimum purchase of 2)
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