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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

Xtreme Gardening Mykos WP | 12oz - Wettable Powder - (Case of 12)
In Stock: 57
$270.72 / $22.56 per unit
(minimum purchase of 12)
Botanicare Pure Blend Pro Grow Formula 3-2-4 - 2.5gal
In Stock: 12
$113.05 $175.97 -36%
Xtreme Gardening Tea Brews Compost Tea Brewing Pouches - 20-Count
In Stock: 11
$213.80 $247.17 -14%
Down To Earth Bone Meal 3-15-0 Organic Fertilizer - 25 lb - OMRI Listed
In Stock: 4
$44.62 $62.49 -29%
True Organic Liquid Tomato & Vegetable Food 3-2-3 - 16 Oz
In Stock: 933
$36.72 / $6.12 per unit
(minimum purchase of 6)
General Hydroponics FloraNectar FruitnFusion 0-0-1 Flavor Enhancer Supplement - 2.5 Gal
In Stock: 22
$126.09 $196.00 -36%
Great White Granular 1 Mycorrhizal | 4oz - OMRI Listed - (Case of 24)
Out of stock
$122.64 / $5.11 per unit
(minimum purchase of 24)
HDI Europonic FossilFuel Liquid Humic Acids - 32 Oz
In Stock: 12
$92.16 / $7.68 per unit
(minimum purchase of 12)
Down To Earth Seabird Guano 0-11-0 Organic Fertilizer - 20 lb - OMRI Listed
In Stock: 179
$39.61 $99.99 -60%
Nectar for the Gods Mega Morpheus Guano Tea 0-2-0 - 32 Oz
In Stock: 31
$13.04 $15.99 -18%
Down To Earth All-Purpose Mix 4-6-2 Organic Fertilizer - 1 lb - OMRI Listed
In Stock: 492
$46.20 / $3.85 per unit
(minimum purchase of 12)
Down To Earth Kelp Meal 1-0.1-2 Organic Fertilizer - 4 lb - OMRI Listed
In Stock: 112
$151.26 / $25.21 per unit
(minimum purchase of 6)
Sustane 4-6-4 All-Purpose Fertilizer - 50 lb - OMRI Listed
In Stock: 196
$72.95
Xtreme Gardening Mykos Root Paks Mycorrhizal Inoculant - 50-Count
In Stock: 42
$75.42 / $12.57 per unit
(minimum purchase of 6)
Neptune's Harvest Fish Fertilizer 2-4-1 - 1 Gal Concentrate - OMRI Listed
In Stock: 39
$162.08 / $40.52 per unit
(minimum purchase of 4)
Down To Earth Bio-Fish 7-7-2 Organic Fertilizer - 50 lb - OMRI Listed
In Stock: 37
$77.62 $103.99 -25%
Down To Earth Rose & Flower Mix 4-8-4 Organic Fertilizer - 1 lb - OMRI Listed
In Stock: 576
$46.20 / $3.85 per unit
(minimum purchase of 12)
Plant Success Organics Soluble Mycorrhizae 0.5-0.1-7 - 1 lb - OMRI Listed
In Stock: 70
$55.67 $69.76 -20%
Down To Earth Seabird Guano 0-11-0 Organic Fertilizer - 5 lb - OMRI Listed
In Stock: 577
$79.20 / $13.20 per unit
(minimum purchase of 6)
Xtreme Gardening Tea Brews Compost Tea Brewing Pouches - 10-Count
In Stock: 6
$351.36 / $58.56 per unit
(minimum purchase of 6)
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