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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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10 months 3 days
Grand Rapids, US
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Nutrients & Supplements

Plant-Prod Dololime S-Fine | 50lb (56/PL)
In Stock: 9
$31.69
Plantex Solutions 18-9-18 pH Reducer Fertilizer | 25lb (80/PL)
In Stock: 244
$60.84 $68.72 -11%
Plant-Prod MJ Boost 15-30-15 Fertilizer | 25lb (80/PL)
In Stock: 67
$24.08 $63.92 -62%
Plant-Prod MJ Spike (CaMg) Fertilizer | 25lb
In Stock: 12
$232.17
Grower Select 17-5-17 | 25lb (80/PL)
In Stock: 470
$46.18 $60.06 -23%
Myco Chum Premium Microbe Food | 32oz
In Stock: 79
$20.55 $24.84 -17%
PRO-MIX BRK MYCORRHIZAE Peat/Bark Mix | 2.8cu ft - Loose Fill (48/PL)
In Stock: 191
$35.20
Dave Thompson's Organic Healthy Grow Worm Castings 1-0-0 | 15lb - Bag
In Stock: 135
$35.62 $38.29 -7%
Old Truck OrganicsRose & Flower Fertizer | 2.2lb - (Case of 6)
In Stock: 66
$35.10 / $5.85 per unit
(minimum purchase of 6)
TNB Naturals The Enricher Plant Booster | 250g
In Stock: 83
$9.94 $24.99 -60%
TNB Naturals Kelptastic | 1lb
In Stock: 15
$7.57 $15.99 -53%
ferti·lome Yield Booster | 32oz - Ready-to-Use
In Stock: 180
$120.12 / $10.01 per unit
(minimum purchase of 12)
ferti·lome Yield Booster | 16oz - Concentrate
In Stock: 41
$102.36 / $8.53 per unit
(minimum purchase of 12)
ferti·lome Chelated Iron & Other Micro Nutrients | 1gal - Liquid Concentrate - (Case of 4)
In Stock: 68
$85.68 / $21.42 per unit
(minimum purchase of 4)
ferti·lome Rooting Powder | 2oz - Granules - (Case of 12)
In Stock: 432
$73.92 / $6.16 per unit
(minimum purchase of 12)
ferti·lome Soil Acidifier Plus Iron | 32oz - Liquid Concentrate
In Stock: 128
$147.84 / $12.32 per unit
(minimum purchase of 12)
ferti·lome HuMic Granular Humic Acid | 30lb - Granular
In Stock: 331
$24.02 $29.99 -20%
Soul Amino-Aide Supplement | 1gal - (Case of 4)
In Stock: 4
$225.28 / $56.32 per unit
(minimum purchase of 4)
Cutting Edge Solutions Mag Amped | 1gal
In Stock: 5
$87.87 $103.99 -16%
Cutting Edge Solutions Cal Mag Amplified 2-0-0 | 1gal
In Stock: 16
$50.17 $61.99 -19%
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