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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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11 months 13 days
Grand Rapids, US
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Soil Amendments

General Hydroponics MaxiGro 10-5-14 - 50lb
In Stock: 31
$294.24 $466.35 -37%
FoxFarm Happy Frog Soil Conditioner | 3cu ft - West Only | (35/PL)
In Stock: 2646
$22.29 $23.99 -7%
Down to Earth Neem Seed Meal 6-1-2 | 40lb - OMRI Listed
In Stock: 1
$45.15 $151.49 -70%
Coast of Maine Quoddy Blend Organic Lobster Compost | 1cu ft - OMRI Listed - (Case of 5)
In Stock: 606
$91.20 / $18.24 per unit
(minimum purchase of 5)
General Hydroponics MaxiBloom 5-15-14 - 50lb
In Stock: 57
$223.13 $467.66 -52%
Down to Earth Granular Humic Acids | 50lb - OMRI Listed
In Stock: 93
$49.10 $67.19 -27%
Down to Earth Langbeinite 0-0-22 | 50lb - OMRI Listed
In Stock: 191
$83.59 $105.29 -21%
Down to Earth Bio-Live 5-4-2 | 50lb - OMRI Listed
In Stock: 306
$117.04 $152.59 -23%
Down to Earth Seabird Guano 0-11-0 | 40lb - OMRI Listed
In Stock: 226
$72.06 $131.99 -45%
Down to Earth Citrus Mix 6-3-3 | 50lb - OMRI Listed
In Stock: 68
$77.32 $97.99 -21%
Sustane 4-6-4 All-Purpose Fertilizer | 50lb - OMRI Listed
In Stock: 202
$72.95 $78.36 -7%
Down to Earth Bio-Fish 7-7-2 | 50lb - OMRI Listed
In Stock: 38
$83.59 $103.99 -20%
Sustane 8-2-4 All Natural Fertilizer | 50lb - OMRI Listed
In Stock: 172
$100.18 $107.60 -7%
Xtreme Gardening Mykos | 50lb
Out of stock
$415.14 $490.64 -15%
Magnesium Sulfate Epsom Salts | 50lb (49/PL) - OMRI Listed
In Stock: 407
$40.75 $50.33 -19%
Big Foot Mycorrhizae Granular | 50lb
In Stock: 1
$652.50 $685.19 -5%
Royal Gold Crown Jewels Grow 3-2-2 | 40lb
In Stock: 27
$135.94 $163.08 -17%
Royal Gold Crown Jewels Bloom 1-4-2 | 40lb
In Stock: 5
$153.23 $184.32 -17%
Down to Earth Kelp Meal 1-0.1-2 | 50lb - OMRI Listed
In Stock: 85
$247.73 $321.09 -23%
BioAG Ful-Humix | 50lb - OMRI Listed
In Stock: 27
$394.32 $451.16 -13%
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