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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

Espoma Organic Garden-tone 3-4-4 Plant Food - 4 lb
In Stock: 396
$94.32 / $7.86 per unit
(minimum purchase of 12)
Grow More Magnum Rose Food 8-10-8 - 25 lb
Out of stock
$60.70 $61.79 -2%
Brandt Sequestar Iron Chelate 6% Fe EDDHA - 25 lb - Water Soluble
In Stock: 3
$361.35
Jack's Classic Blossom Booster 10-30-20 Water-Soluble Fertilizer - 10 lb
In Stock: 2
$47.32 $58.79 -20%
SUPERthrive ZYME 100% Enzyme Cleaner - 32 Oz
In Stock: 144
$462.84 / $38.57 per unit
(minimum purchase of 12)
Grow More Mendocino Producer's Choice Fertilizer 20-9-20 - 25 lb
In Stock: 25
$84.43 $89.37 -6%
FoxFarm Bush Doctor Wholly Mackerel Fertilizer 3-1-0 - 1 Gal - Concentrate
In Stock: 83
$95.69 $114.69 -17%
Peters Professional 20-10-20 General Purpose Fertilizer - 25 lb
Out of stock
$57.93
Ferti-lome HuMic Granular Humic Acid Soil Amendment - 30 lb
In Stock: 58
$26.41 $31.99 -17%
Micromax Micronutrients Fertilizer - 50 lb
In Stock: 36
$125.43
Grow More Hawaiian Bud Fertilizer 5-50-17 - 1.5 lb
In Stock: 12
$12.53 $14.02 -11%
Espoma Organic Alfalfa Meal - 3 lb
In Stock: 36
$94.44 / $7.87 per unit
(minimum purchase of 12)
GH General Organics BioThrive Grow 4-3-3 Base Nutrient - 6 Gal
In Stock: 19
$284.29 $454.30 -37%
CYCO Platinum Series Silica Supplement 0-0-3 - 32 Oz
In Stock: 8
$16.97 $25.23 -33%
Detroit Nutrient Company Vermicompost Worm Castings - 25 lb
In Stock: 194
$35.09 $42.99 -18%
Hi-Yield Fast-Acting Gypsum Soil Amendment - 25 lb
In Stock: 64
$19.34 $22.98 -16%
CYCO Platinum Series Dr. Repair Supplement 3-0-0 - 32 Oz
In Stock: 11
$14.82 $29.28 -49%
Ferti-lome Fish Emulsion Fertilizer 5-1-1 Concentrate - 16 Oz
In Stock: 84
$117.12 / $9.76 per unit
(minimum purchase of 12)
Jack's Classic All-Purpose 20-20-20 Water-Soluble Fertilizer - 8 Oz
In Stock: 3238
$88.68 / $7.39 per unit
(minimum purchase of 12)
Ferti-lome Chelated Iron and Other Micro Nutrients Liquid Fertilizer - 16 Oz
Out of stock
$89.16 / $7.43 per unit
(minimum purchase of 12)
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