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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

Down To Earth Bio-Live 5-4-2 Organic Fertilizer - 25 lb - OMRI Listed
In Stock: 160
$60.75 $82.39 -26%
FoxFarm Grow Big Hydroponic Fertilizer 3-2-6 - 1 Gal - Concentrate
In Stock: 68
$469.04 / $117.26 per unit
(minimum purchase of 4)
FoxFarm Grow Big Hydroponic Fertilizer 3-2-6 - 16 Oz - Concentrate
In Stock: 251
$210.00 / $17.50 per unit
(minimum purchase of 12)
FoxFarm Cultivation Nation pH Up Nutrient Solution Adjuster - 16 Oz
In Stock: 372
$149.40 / $12.45 per unit
(minimum purchase of 12)
FoxFarm Happy Frog Tomato & Vegetable Fertilizer 5-7-3 - 4 lb - OMRI Listed
In Stock: 89
$150.84 / $12.57 per unit
(minimum purchase of 12)
South Cascade Organics SLF-100 Liquid Fertilizer - 32 Oz - OMRI Listed
In Stock: 72
$325.32 / $27.11 per unit
(minimum purchase of 12)
SUPERthrive Pure Neem Oil Organic Leaf Polish - 32 Oz
In Stock: 83
$466.56 / $38.88 per unit
(minimum purchase of 12)
Down To Earth AZOMITE Granulated Trace Minerals 0-0-0.2 - 5 lb - OMRI Listed
In Stock: 324
$61.56 / $10.26 per unit
(minimum purchase of 6)
Neptune's Harvest Seaweed Plant Food 0-0-1 - 16 Oz Concentrate - OMRI Listed
In Stock: 132
$152.52 / $12.71 per unit
(minimum purchase of 12)
Sipco Hyclean Non-Toxic Line and Equipment Cleaner for Irrigation Systems - 500 mL
In Stock: 46
$101.28 / $8.44 per unit
(minimum purchase of 12)
Big Foot Mycorrhizae Granular Root Inoculant - 50 g - 30-Count Display
In Stock: 36
$133.32
Roots Organics Extreme Serene Plant Supplement - 32 Oz Concentrate
In Stock: 8
$13.52 $34.99 -61%
Down To Earth Granular Root Zone Organic Mycorrhizal Inoculant - 8 Oz - OMRI Listed
In Stock: 108
$388.56 / $32.38 per unit
(minimum purchase of 12)
Emerald Harvest Grow 2-1-6 Base Nutrient - 32 Oz
In Stock: 1
$9.37 $14.00 -33%
Xtreme Gardening Azos Wettable Powder Root Booster - 8 Lb
Out of stock
$327.34 $393.00 -17%
HDI Clonex Mist Root Promoter - 100 mL
In Stock: 35
$193.40 / $9.67 per unit
(minimum purchase of 20)
HDI Ionic Grow Plant Nutrient 3-1-5 - 32 Oz
In Stock: 23
$207.12 / $17.26 per unit
(minimum purchase of 12)
Royal Gold Crown Jewels Grow Fertilizer 3-2-2 - 40 lb
In Stock: 27
$130.91 $163.08 -20%
Down To Earth Bio-Fish 7-7-2 Organic Fertilizer - 5 lb - OMRI Listed
In Stock: 498
$81.42 / $13.57 per unit
(minimum purchase of 6)
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 - 2.5 Gal - Concentrate
In Stock: 6
$452.66 / $226.33 per unit
(minimum purchase of 2)
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