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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

Plant-Prod Potassium Bicarbonate | 55lb (42/PL)
In Stock: 185
$170.34
Plant-Prod MJ Finisher 4-31-37 Fertilizer | 25lb (80/PL)
In Stock: 6
$74.75 $86.22 -13%
Grower Select H2 Professional Mix (Northern) | 2.8cu ft - Loose Fill (42/PL)
In Stock: 39
$45.12
Dave Thompson's Organic Healthy Grow Early Starter 2-4-3 | 25lb
In Stock: 14
$10.96 $21.99 -50%
Reefertilizer BLOOM Fertilizer 5-30-20 | 750ml
In Stock: 13
$24.39 $27.95 -13%
Royal Gold 5# Crown Jewels All Purpose Fertilizer - (Case of 8)
In Stock: 144
$106.08 / $13.26 per unit
(minimum purchase of 8)
Royal Gold 10# Crown Jewels All Purpose Fertilizer - (Case of 4)
In Stock: 36
$103.44 / $25.86 per unit
(minimum purchase of 4)
HYSHIELD Natural Immune Booster | 20L (5.28gal)
In Stock: 7
$162.64 $173.34 -6%
TNB Naturals The Enhancer Bottle Hanger | Black - Fits The Enhancer CO2 Bottle
In Stock: 473
$3.98 $9.99 -60%
ferti·lome Fish Emulsion Fertilizer 5-1-1 | 16oz - Concentrate
In Stock: 132
$101.40 / $8.45 per unit
(minimum purchase of 12)
ferti·lome Fish Emulsion Fertilizer 5-1-1 | 32oz - Concentrate
In Stock: 192
$138.84 / $11.57 per unit
(minimum purchase of 12)
ferti·lome Chelated Iron & Other Micro Nutrients | 16oz - Liquid Concentrate - (Case of 12)
In Stock: 180
$77.04 / $6.42 per unit
(minimum purchase of 12)
ferti·lome Chelated Iron & Other Micro Nutrients | 32oz - Liquid Concentrate - (Case of 12)
In Stock: 228
$124.80 / $10.40 per unit
(minimum purchase of 12)
ferti·lome Chelated Iron 6% EDDHA Water Soluble | 4lb - Granules - (Case of 8)
Out of stock
$523.20 / $65.40 per unit
(minimum purchase of 8)
ferti·lome Root Stimulator & Plant Starter Solution 4-10-3 | 16oz - Liquid Concentrate
In Stock: 1506
$78.12 / $6.51 per unit
(minimum purchase of 12)
ferti·lome Soil Acidifier Plus Iron | 1gal - Liquid Concentrate - (Case of 4)
In Stock: 109
$97.04 / $24.26 per unit
(minimum purchase of 4)
ferti·lome Acid-Loving Water Soluble Plant Food 31-11-11 | 1.5lb - Granules - (Case of 12)
In Stock: 276
$94.56 / $7.88 per unit
(minimum purchase of 12)
ferti·lome Blooming & Rooting Soluble Plant Food 9-58-8 | 8oz - Granules - (Case of 24)
In Stock: 2184
$100.56 / $4.19 per unit
(minimum purchase of 24)
ferti·lome HuMic Granular Humic Acid | 15lb - Granular
In Stock: 281
$15.52 $19.99 -22%
ferti·lome Compost Maker | 3lb - Granules - (Case of 12)
In Stock: 144
$92.04 / $7.67 per unit
(minimum purchase of 12)
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