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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
10 months 3 days
Grand Rapids, US
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Nutrients & Supplements

SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 | 32oz - The Silicon Solution - (Case of 12)
In Stock: 2232
$218.52 / $18.21 per unit
(minimum purchase of 12)
Down To Earth Acid Mix 4-3-6 | 15lb - 3pk of 5lb
In Stock: 233
$29.09 $39.39 -26%
HDI Ionic Bloom for Soil Premium Plant Nutrient 2-2-5 | 32oz
In Stock: 336
$82.32 / $6.86 per unit
(minimum purchase of 12)
FoxFarm Cha-Ching Soluble Fertilizer 9-50-10 | 6oz Jar
In Stock: 520
$272.40 / $22.70 per unit
(minimum purchase of 12)
Down to Earth Fruit Tree 6-2-4 | 5lb - OMRI Listed - (Case of 6)
In Stock: 2712
$76.74 / $12.79 per unit
(minimum purchase of 6)
FoxFarm Grow Big Fertilizer 6-4-4 | 16oz - Concentrate
In Stock: 2844
$176.28 / $14.69 per unit
(minimum purchase of 12)
Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1 | 18oz - Concentrate - OMRI Listed - (Case of 12)
In Stock: 540
$151.44 / $12.62 per unit
(minimum purchase of 12)
Xtreme Gardening Azos Root Booster | 8lb
In Stock: 33
$327.34 $393.00 -17%
Down to Earth Bio-Fish 7-7-2 | 50lb - OMRI Listed
In Stock: 113
$77.62 $103.99 -25%
FoxFarm Happy Frog Tomato & Vegetable Fertilizer 5-7-3 | 4lb - OMRI Listed
In Stock: 1390
$138.96 / $11.58 per unit
(minimum purchase of 12)
Big Foot Ecto-Mycorrhizae | 5lb
In Stock: 1
$149.99 $173.29 -13%
Down to Earth Rose & Flower Mix 4-8-4 | 5lb - OMRI Listed - (Case of 6)
In Stock: 2157
$76.74 / $12.79 per unit
(minimum purchase of 6)
Xtreme Gardening Azos Root Booster | 20lb
In Stock: 20
$726.21 $871.90 -17%
South Cascade Organics SLF-100 | 32oz - OMRI Listed - (Case of 12)
In Stock: 180
$325.20 / $27.10 per unit
(minimum purchase of 12)
MICROBE Life Hydroponics Photosynthesis Plus | 16oz - (Case of 12)
In Stock: 60
$215.88 / $17.99 per unit
(minimum purchase of 12)
SUPERthrive Pure Neem Oil Organic Leaf Polish | 32oz - (Case of 12)
In Stock: 203
$466.56 / $38.88 per unit
(minimum purchase of 12)
Down To Earth Island Phosphate 0-11-0 | 5lb - (Case of 6)
In Stock: 186
$173.94 / $28.99 per unit
(minimum purchase of 6)
FoxFarm Grow Big Hydroponic Fertilizer 3-2-6 | 1gal - Concentrate - (Case of 4)
In Stock: 72
$439.80 / $109.95 per unit
(minimum purchase of 4)
SUPERthrive K-L-N Rooting Concentrate | 32oz - (Case of 12)
Out of stock
$327.72 / $27.31 per unit
(minimum purchase of 12)
Down to Earth Granular Root Zone | 8oz - OMRI Listed - (Case of 12)
In Stock: 132
$342.00 / $28.50 per unit
(minimum purchase of 12)
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