Grodan

Shop our selection of Grodan Rockwool Cubes and Grodan Slabs used for easily placing seeds for growing plants. Grodan Rockwool products are the ideal growing substrate for plant propagation and precision growing. Grodan Rockwool Cubes and Grodan Slabs allow you to plant your roots at the right depth for optimal growing.For all growing projects and applications, Grodan Rockwool Cubes and Grodan Slabs are easy to use and will help speed up the growing process for your plants. In addition to Rockwool products, HTG Supply also offers a wide variety of grow mediums, propagation accessories, and seed starting supplies in our online store! Enhance your growing today with HTG Supply!

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Filters
Product Filters
Weight Limit
Wattage
Voltage
System Type
Style
Speed Control Compatible
Spectrum Type
Fitting Size
Flange Size
Reflector Size
Size
Socket Type
Shape
Reversible
Reflector Type
Probe Type
Portability
Planting Sites
Output Control
Outlets
Number of Lamps
Module Capacity
Material
Light Type
Light Source
Lamp Drive Frequency
HID Type
HID Bulb Type
Fitting Type
Component Type
Chip Type
Base Type
Ballast Component Type
Application Type
Application Type
Growing Method
GPH
Fixture Configuration
Fan CFM
Configuration
Color Temp. (Kelvin)
CFM
Bulb Length
Built-In Socket
Rw Aok Plugs
Grodan A-Ok 1.5 Inch Starter Plugs Sheet of 98
$14.70
6x6x6 Grodan Gro-Block Improved Rockwool Block
6 Inch Rockwool Cubes - 6x6x6 Gro Blocks
$3.73
Rockwool Minicubes
Rockwool / Stonewool 1.5 Inch Cubes - 45 Pack
$9.46
Grodan 4 Inch Gro Block
Rockwool / Stonewool 4 Inch Gro Blocks - 6 Pack
$11.75
Rockwool Groblocks
Rockwool / Stonewool 3 Inch Gro Blocks - 8 Pack
$6.09
Rost Bucket
Rose Bucket 7.67 Square Pot
$5.93
Grodan A Ok Starter Plugs 1 Inch
Grodan A-Ok 1 Inch Starter Plugs Sheet of 200
$16.25
Rockwool Mama
Rockwool / Stonewool 8 Inch Big Mama Block
$9.67
Rockwool Slab
Rockwool / Stonewool SLAB 6" x 36" x 4"
$11.37
Rockwool Slab
Rockwool / Stonewool Slab 8" x 36" x 3"
$11.07
Rockwool Macroplugs
Rockwool Stonewool Macro Plugs - 50 Pack
$12.16
Grodan Grow-Smart Tray
Grodan Grow-Smart Tray
$16.59
Rockwool Slab
Rockwool / Stonewool SLAB 6" x 36" x 3"
$8.53
Rockwool Cubes
Grodan Grow Cubes - 2 Cubic Feet
$45.86
Rockwool Tray
Rockwool Tray For 15/75
$15.35

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