In addition to the many excellent qualities of rockwool as a growing medium, one of its most important characteristics is its reusability. The fact that you can reuse rockwool for up to six different crops prevents waste and helps you save money.

How many times can you reuse rockwool?

In addition to the many excellent qualities of rockwool as a growing medium, one of its most important characteristics is its reusability. The fact that you can reuse rockwool for up to six different crops prevents waste and helps you save money.

How do you reuse rockwool cubes?

Scrape the rockwool with a serrated knife and then pick out the roots as they become loose. Fill a bucket with one part bleach and 9 parts water. Soak rockwool in the bleach for at least one hour. Rinse the rockwool several times to remove all chlorine residue and then allow to air for 48 hours before reusing.