Grodan Rockwool Cubes (1 inch) 200 Cubes Per Sheet, 4 Sheets

Description

The Grodan 1 inch rockwool propagation cube comes in a sheet of 100 cubes, which fits nicely into a standard 10" x 10" greenhouse flat. The rockwool cube settings are about 1-1/2" in height, and almost 1 inch square. They aremonly used for starting lettuce and other leaf crops, and flowers.
Root cuttings, clone plants, start seeds, and more
Includes 100 individual rockwool/stonewool grow cubes
Perfectly-sized to fit a standard flat growing tray
Pre-drilled planting holes make seeding and plant propagation a breeze
Grodan Rockwool Cubes are one of our most popular items. Suitable for a wide range of plants, Rockwool Cubes are effective in growing anything from tomatoes, lettuce, flowers and even aquatic plants. The cubes are arranged in sheets that make propagating and transplanting easy.
This is a clean product, no pollutants or harmful bacteria. It does not lock up or release any substances, ensuring all water and nutrients are available to the plant. It is easy to control and steer the growth of the crop to achieve higher yields than seen in soil-bound cultivation. Stone wool can be recycled (eg composting).