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

Jack's Classic All-Purpose 20-20-20 Water-Soluble Fertilizer - 10 lb
In Stock: 151
$46.05 $58.79 -22%
Osmocote Blend 18-5-12 Fertilizer Enhanced with QuickStart Nutrients - 8-9 Month - 50 lb
In Stock: 111
$96.70
Florikan NPK Pro 12-6-8 Controlled-Release Fertilizer with GAL-XeONE - 90 Day Release - 50 lb
In Stock: 84
$115.32
General Hydroponics Purpinator Anthocyanin and Terpene Enhancer - 2.5 Gal
In Stock: 21
$123.57 $160.04 -23%
Grower Select Classic Blend Fertilizer 20-20-20 - 25 lb
In Stock: 330
$48.38
Botanicare Rhizo Blast Root Stimulant 1.15-0.5-1.15 - 500 mL
In Stock: 40
$50.95 $75.33 -32%
Osmocote Blend 22-3-8 Fertilizer Enhanced with QuickStart Nutrients - 5-6 Month - 50 lb
In Stock: 127
$96.70
Ferti-lome Root Stimulator and Plant Starter Solution 4-10-3 Liquid Concentrate - 2.5 Gal
In Stock: 3
$83.80 / $41.90 per unit
(minimum purchase of 2)
Nature's Source Professional Plant Food 10-4-3 Concentrate - 2.5 Gal
In Stock: 8
$121.10 / $60.55 per unit
(minimum purchase of 2)
Ferti-lome HuMic Granular Humic Acid Soil Amendment - 15 lb
In Stock: 158
$15.52 $19.99 -22%
Ferti-lome Root Stimulator and Plant Starter Solution 4-10-3 Liquid Concentrate - 1 Gal
Out of stock
$76.60 / $19.15 per unit
(minimum purchase of 4)
Nature's Source Professional Plant Food 10-4-3 Concentrate - 4.7 Gal
In Stock: 333
$96.00
Botanicare® Rhizo Blast® 1.15-0.5-1.15 — 1000 mL
In Stock: 24
$55.17 $138.57 -60%
Sipco Hyshield Natural Immune Booster - 4 L
In Stock: 5
$148.88 / $37.22 per unit
(minimum purchase of 4)
Sipco Hyshield Natural Immune Booster - 20 L
In Stock: 7
$165.15 $173.34 -5%
Jack's Nutrients 15-5-20 Tap Water Fertilizer - 2.2 lb
In Stock: 50
$21.63
Grow More Fertilizer 20-20-20 - 25 lb
In Stock: 1
$64.10 $94.79 -32%
Peters Professional S.T.E.M. Soluble Micronutrients - 25 lb
In Stock: 39
$98.52
Osmocote Blend 17-5-11 Fertilizer - 5-6 Month - 50 lb
In Stock: 363
$125.89
Grow More 10% Iron Chelate Fertilizer - 8 Oz
In Stock: 24
$94.20 / $7.85 per unit
(minimum purchase of 12)
Show other 20 products
Filters
Free Shipping
In Stock
Nutrient Material
Price
$
–
$
  • $1
  • $6316
Shop Owner
Brand
Show all (74)