4" Redrock Rockwool Grow Block PRO Hydroponic | 6 Pack + Twin Canaries Chart

Description

2 Pack Bundle: Grodan Macro Plugs, 50 Count (100 Total)
Redrock Rockwool 4" PRO Grow Block for Hydroponics | 6 pack + Twin Canaries Chart
It is common to find propagators moving fresh cuttings into plugs for the initial stage of development. Once rooted plants are transplanted into stone wool grow blocks and then placed ontop of grow slabs to extend root zone development and access to water and nutrients. Selecting the correct substrate for your crop depends on many variables such as size, duration, density, and more. Commercial grade PRO Stone wool grow blocks manufactured from high-grade US made raw material. Stone wool grow blocks are made in the USA. RedRock Stonewool grow blocks PRO are priced for commercial agriculture production. Stone wool has high fiber density makes better use of water and fertilizers while allowing dry back. Sizes available for any crop. W/ 42/40 Hole - 15x15x13.5cm - 6-Inch x 6-Inch x 5.3-Inch.
Stone wool grow blocks are made in the USA
RedRock Stonewool grow blocks PRO are priced for commercial agriculture production
Stone wool has high fiber density makes better use of water and fertilizers while allowing dry back
Each block measures 4-Inch x 4-Inch x 4-Inch with 42/40 Hole
Each order comes with a Twin Canaries Chart