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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

Big Foot Mycorrhizae Granular Root Inoculant - 4 Oz
In Stock: 351
$118.35 / $7.89 per unit
(minimum purchase of 15)
CYCO Platinum Series Silica Supplement 0-0-3 - 5 L
In Stock: 14
$31.60 $69.89 -55%
Botanicare Hydroplex Bloom 0-10-6 - 2.5gal
In Stock: 45
$185.51 $288.38 -36%
Down To Earth Vegetable Garden 4-4-4 Organic Fertilizer - 5 lb - OMRI Listed
In Stock: 1962
$73.14 / $12.19 per unit
(minimum purchase of 6)
FoxFarm Happy Frog Acid Loving Plants Fertilizer 4-5-3 - 4 lb - OMRI Listed
In Stock: 515
$151.44 / $12.62 per unit
(minimum purchase of 12)
Nectar for the Gods Athena's Aminas Amino Acid Supplement 0.5-0-0 - 32 Oz
In Stock: 9
$13.04 $15.99 -18%
Botanicare Liquid Karma 0.1-0.1-0.5 - 5gal
In Stock: 66
$240.37 $410.27 -41%
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 - 16 Oz - Concentrate
Out of stock
$190.56 / $15.88 per unit
(minimum purchase of 12)
Plant Success Organics Granular Mycorrhizae 3-1-2 - 1 lb - OMRI Listed
In Stock: 464
$170.52 / $14.21 per unit
(minimum purchase of 12)
General Hydroponics FloraNova Grow 7-4-10 Base Nutrient - 2.5 Gal
In Stock: 43
$183.30 $285.93 -36%
Xtreme Gardening Mykos Wettable Powder Mycorrhizal Inoculant - 4 Oz
In Stock: 88
$124.32 / $10.36 per unit
(minimum purchase of 12)
Down To Earth Fish Bone Meal 4-12-0 Organic Fertilizer - 25 lb - OMRI Listed
In Stock: 79
$38.21 $52.29 -27%
Plant Success Organics Granular Mycorrhizae 3-1-2 - 4 Oz - OMRI Listed
In Stock: 408
$82.56 / $6.88 per unit
(minimum purchase of 12)
Down To Earth Kelp Meal 1-0.1-2 Organic Fertilizer - 0.5 lb - OMRI Listed
In Stock: 156
$57.84 / $4.82 per unit
(minimum purchase of 12)
General Hydroponics FloraGro 2-1-6 Base Nutrient - 2.5 Gal
In Stock: 99
$63.25 $98.94 -36%
Botanicare Clearex Rinsing Solution - 2.5 Gal
In Stock: 43
$44.36 $99.70 -56%
FoxFarm Happy Frog Citrus & Avocado Fertilizer 7-3-3 - 4 lb - OMRI Listed
In Stock: 432
$153.72 / $12.81 per unit
(minimum purchase of 12)
SuperThrive Vitamin Solution 0.5-0-0 - 4 Oz
In Stock: 284
$156.84 / $13.07 per unit
(minimum purchase of 12)
Botanicare Rhizo Blast 1.15-0.5-1.15 | 1000mL
In Stock: 3
$79.92 $138.57 -42%
Down To Earth Citrus Mix 6-3-3 Organic Fertilizer - 1 lb - OMRI Listed
In Stock: 516
$46.20 / $3.85 per unit
(minimum purchase of 12)
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