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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

Sustane 8-2-4 All Natural Fertilizer - 50 lb - OMRI Listed
In Stock: 105
$100.18
FoxFarm Beastie Bloomz Fertilizer 0-50-30 - 1 lb
In Stock: 120
$51.06 $55.89 -9%
Down To Earth Seabird Guano 0-11-0 Organic Fertilizer - 5 lb - OMRI Listed
In Stock: 318
$80.82 / $13.47 per unit
(minimum purchase of 6)
True Organic All-Purpose Plant Food 5-4-5 - 4.5 lb Shaker Jug
In Stock: 246
$36.48 / $6.08 per unit
(minimum purchase of 6)
Xtreme Gardening Tea Brews Compost Tea Brewing Pouches - 10-Count
In Stock: 6
$353.82 / $58.97 per unit
(minimum purchase of 6)
Coop Poop All-Purpose Garden Food by Healthy Grow | 25lb - OMRI Listed
In Stock: 599
$20.13 $24.29 -17%
Down To Earth Bat Guano 7-3-1 Organic Fertilizer - 10 lb - OMRI Listed
In Stock: 79
$36.59 $51.49 -29%
SUPERthrive Bloom Plant Nutrients 3-12-6 - 8 Oz
In Stock: 7548
$93.96 / $7.83 per unit
(minimum purchase of 12)
Botanicare Pure Blend Pro Bloom Formula 2-3-5 - 2.5gal
In Stock: 12
$118.31 $174.46 -32%
FoxFarm Cultivation Nation Cal-Mag Supplement - 16 Oz
In Stock: 216
$136.92 / $11.41 per unit
(minimum purchase of 12)
Great White Granular 1 Mycorrhizal | 2.2lb - OMRI Listed
Out of stock
$333.72 / $27.81 per unit
(minimum purchase of 12)
Great White Granular 1 Mycorrhizal | 20lb - OMRI Listed
In Stock: 4
$190.34 $225.34 -16%
Microbe Life Hydroponics Foliar Spray & Root Dip - 16 Oz
Out of stock
$239.16 / $19.93 per unit
(minimum purchase of 12)
Botanicare Liquid Karma 0.1-0.1-0.5 - 2.5gal
In Stock: 9
$147.13 $216.57 -32%
Plant Success Orca Liquid Mycorrhizae Concentrate - 16 Oz
In Stock: 31
$36.22 $44.11 -18%
Down To Earth Feather Meal 12-0-0 Organic Fertilizer - 4 lb - OMRI Listed
In Stock: 711
$78.18 / $13.03 per unit
(minimum purchase of 6)
Down To Earth Fish Powder 12-1-1 Fertilizer - 1 lb
In Stock: 18
$83.22 / $13.87 per unit
(minimum purchase of 6)
Neptune's Harvest Seaweed Plant Food 0-0-1 - 32 Oz Concentrate - OMRI Listed
In Stock: 372
$215.76 / $17.98 per unit
(minimum purchase of 12)
Down to Earth Liquid All-Purpose 4-1-3 | 32oz
In Stock: 10
$96.80 / $9.68 per unit
(minimum purchase of 10)
FoxFarm Big Bloom Fertilizer 0-0.5-0.7 - 16 Oz - Concentrate - OMRI Listed
Out of stock
$157.44 / $13.12 per unit
(minimum purchase of 12)
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