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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

FoxFarm Happy Frog Japanese Maple Fertilizer 4-3-4 - 4 lb - OMRI Listed
In Stock: 697
$154.44 / $12.87 per unit
(minimum purchase of 12)
FoxFarm Happy Frog Bone Meal Fertilizer 3-12-0 - 4 lb - OMRI Listed
In Stock: 372
$156.00 / $13.00 per unit
(minimum purchase of 12)
Neptune's Harvest Fish Fertilizer 2-4-1 - 36 Oz Concentrate - OMRI Listed
In Stock: 148
$203.40 / $16.95 per unit
(minimum purchase of 12)
Down To Earth AZOMITE Slow Release Powder Trace Minerals 0-0-0.2 - 1 lb - OMRI Listed
In Stock: 443
$38.52 / $3.21 per unit
(minimum purchase of 12)
Down To Earth Starter Mix 3-3-3 Organic Fertilizer - 1 lb - OMRI Listed
In Stock: 84
$49.08 / $4.09 per unit
(minimum purchase of 12)
Nectar for the Gods Mega Morpheus Guano Tea 0-2-0 - 32 Oz
In Stock: 31
$13.33 $15.99 -17%
Botanicare Hydroplex Bloom Enhancer 0-10-6 - 32 Oz
In Stock: 59
$37.06 $54.45 -32%
Xtreme Gardening Mykos Granular Mycorrhizal Inoculant - 100 g - 60-Count Display
In Stock: 18
$188.31 $225.98 -17%
General Hydroponics Diamond Nectar 0-1-1 Organic Plant Supplement - 2.5 Gal
In Stock: 21
$99.99 $147.29 -32%
True Organic All-Purpose Plant Food 5-4-5 - 4 lb
In Stock: 567
$63.42 / $10.57 per unit
(minimum purchase of 6)
Down To Earth Fruit Tree 6-2-4 Fertilizer - 15 lb (3 x 5 lb Bags)
In Stock: 98
$32.15 $42.19 -24%
True Organic Tomato & Vegetable Food 4-5-6 - 12 lb
In Stock: 454
$19.33 $24.79 -22%
HDI Clonex Clone Solution - 20 mL Packet
In Stock: 180
$25.56 / $1.42 per unit
(minimum purchase of 18)
Neptune's Harvest Fish & Seaweed Fertilizer 2-3-1 - 36 Oz Concentrate - OMRI Listed
Out of stock
$244.08 / $20.34 per unit
(minimum purchase of 12)
Botanicare Pure Blend Tea Compost Tea Supplement 0.5-0.5-1 - 5 Gal
In Stock: 128
$96.21 $192.58 -50%
Botanicare Hydroplex Bloom Enhancer 0-10-6 - 1 Gal
In Stock: 27
$89.78 $131.94 -32%
Botanicare Silica Blast 0-0-0.5 - 2.5gal
In Stock: 8
$86.27 $127.26 -32%
Down To Earth Gypsum Organic Soil Amendment - 1 lb - OMRI Listed
In Stock: 62
$36.42 / $6.07 per unit
(minimum purchase of 6)
Down To Earth Blood Meal 12-0-0 Organic Fertilizer - 4 lb - OMRI Listed
In Stock: 336
$98.04 / $16.34 per unit
(minimum purchase of 6)
Down To Earth AZOMITE Slow Release Powder Trace Minerals 0-0-0.2 - 5 lb - OMRI Listed
In Stock: 462
$56.88 / $9.48 per unit
(minimum purchase of 6)
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