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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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1 year
Grand Rapids, US
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Nutrients & Supplements

General Hydroponics FloraPro Grow 10-12-22 Base Nutrient Powder - 5 lb
General Hydroponics FloraPro Grow 10-12-22 Base Nutrient Powder - 5 lb
In Stock: 29
$25.51 $40.25 -37%
Botanicare Silica Blast Plant Supplement 0-0-0.5 - 32 Oz
Botanicare Silica Blast Plant Supplement 0-0-0.5 - 32 Oz
In Stock: 114
$16.71 $24.75 -32%
CYCO Commercial Series Grow Powder Fertilizer 10-5-13 - 20 kg
In Stock: 8
$498.48 $998.56 -50%
CYCO Commercial Series Bloom Powder Fertilizer 8-6-11 - 750 g
In Stock: 72
$33.03 $66.11 -50%
General Hydroponics FloraMicro 5-0-1 - 55gal
General Hydroponics FloraMicro 5-0-1 Base Nutrient - 55 Gal
In Stock: 24
$1,240.66 $1,980.35 -37%
CYCO Commercial Series Bloom Powder Fertilizer 8-6-11 - 20 kg
In Stock: 10
$498.48 $998.56 -50%
General Hydroponics CALiMAGic 1-0-0 Cal-Mag Supplement - 32 Oz
In Stock: 48
$18.26 $26.90 -32%
GH General Organics CaMg+ Calcium Magnesium Supplement - 32 Oz
GH General Organics CaMg+ Calcium Magnesium Supplement - 32 Oz
In Stock: 30
$17.28 $26.20 -34%
General Hydroponics FloraPro Bloom 7-12-27 - 5lb
General Hydroponics FloraPro Bloom 7-12-27 Base Nutrient Powder - 5 lb
In Stock: 40
$25.51 $40.25 -37%
Mother Earth Acid Drop for Acid-Loving Plants 3-4-6 Granular Fertilizer - 4.4 lb
In Stock: 25
$14.73 $16.88 -13%
General Hydroponics FloraNova Bloom 4-8-7 Base Nutrient - 16 Oz
In Stock: 259
$15.84 $23.39 -32%
Botanicare Cal-Mag Plus Calcium Magnesium Supplement 2-0-0 - 250 Gal
In Stock: 1
$6,765.73 $10,819.97 -37%
Down To Earth Potassium Sulfate 0-0-50 Organic Fertilizer - 1 lb - OMRI Listed
Down To Earth Potassium Sulfate 0-0-50 Organic Fertilizer - 1 lb - OMRI Listed
Out of stock
$49.32 / $8.22 per unit
(minimum purchase of 6)
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer - 30 lb - OMRI Listed
Wiggle Worm Soil Builder Pure Worm Castings Organic Fertilizer - 30 lb - OMRI Listed
In Stock: 154
$23.33 $30.99 -25%
General Hydroponics FloraGro 2-1-6 Base Nutrient - 32 Oz
In Stock: 661
$12.35 $18.29 -32%
Botanicare Clearex Rinsing Solution - 55 Gal
Botanicare Clearex Rinsing Solution - 55 Gal
In Stock: 6
$1,126.74 $1,798.52 -37%
General Hydroponics Diamond Nectar 0-1-1 Organic Plant Supplement - 55 Gal
In Stock: 6
$1,530.49 $2,442.99 -37%
Mother Earth Floressence Bloom Supplement 1-1-1 - 16 Oz
In Stock: 23
$13.60 $20.02 -32%
Down To Earth Neem Seed Meal 6-1-2 Organic Fertilizer - 40 lb - OMRI Listed
In Stock: 1
$52.88 $151.49 -65%
General Hydroponics CALiMAGic 1-0-0 Cal-Mag Supplement - 1 Gal
General Hydroponics CALiMAGic 1-0-0 Cal-Mag Supplement - 1 Gal
In Stock: 213
$45.66 $67.34 -32%
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