Menu

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
Ask a question
Categories
Products
Reviews
About vendor

Nutrients & Supplements

Osmocote Blend 17-5-11 Fertilizer - 5-6 Month - 50 lb
In Stock: 240
$125.89
Botanicare Rhizo Blast Root Stimulant 1.15-0.5-1.15 - 500 mL
In Stock: 39
$53.39 $75.33 -29%
Jack's Nutrients 15-5-20 Tap Water Fertilizer - 2.2 lb
In Stock: 18
$21.63
Peters Professional S.T.E.M. Soluble Micronutrients - 25 lb
In Stock: 33
$98.52
Grow More Hydrangea Bluing Formula - 2 lb
In Stock: 84
$121.20 / $10.10 per unit
(minimum purchase of 12)
Grow More Fertilizer 20-20-20 - 25 lb
In Stock: 1
$67.17 $94.79 -29%
Plant-Prod Potassium Bicarbonate Fertilizer - 55 lb
In Stock: 1
$172.96
Nature's Source Organic Plant Food 3-1-1 Concentrate - 4.7 Gal
In Stock: 31
$118.83
Yum Yum Mix Organic Fertilizer 2-1-1 - 4.5 lb Shaker Canister
In Stock: 90
$123.40 / $24.68 per unit
(minimum purchase of 5)
Grow More Hawaiian Bud & Bloom Fertilizer - 1.5 lb
Out of stock
$137.04 / $11.42 per unit
(minimum purchase of 12)
Grow More Bio-Cozyme Bio-Stimulant 0.3-0.3-0.05 - 6 Gal
In Stock: 7
$150.32 $157.98 -5%
Osmocote Blend 20-4-8 Fertilizer - 8-9 Month - 50 lb
In Stock: 125
$123.15
Maxicrop Liquid Seaweed 0-0-1 - 1 Gal
In Stock: 6
$174.30 / $29.05 per unit
(minimum purchase of 6)
CYCO Platinum Series Kleanse Flushing Solution - 5 Gal
In Stock: 9
$106.48 $169.61 -37%
Grow More Flowering Cal-Mag Supplement - 6 Gal
In Stock: 4
$193.00 $227.37 -15%
Florikan NPK Pro 12-6-8 Controlled-Release Fertilizer with GAL-XeONE - 90 Day Release - 50 lb
In Stock: 79
$115.32
CYCO Platinum Series Swell Bloom Supplement 1-5-3 - 5 Gal
In Stock: 35
$236.90 $468.41 -49%
Cutting Edge Solutions Bulletproof Si Silica Supplement - 32 Oz
In Stock: 27
$22.21 $25.99 -15%
CYCO Platinum Series Supa Stiky Spreader-Sticker Additive 0.6-3-2 - 5 Gal
In Stock: 43
$485.58 $764.33 -36%
TNB Naturals Kelptastic Kelp Meal - 1 lb
In Stock: 14
$7.33 $15.99 -54%
Show other 20 products
Filters
Free Shipping
In Stock
Nutrient Material
Price
$
–
$
  • $1
  • $6766
Shop Owner
Brand
Show all (75)