These are great little cubes of rockwool / stonewool that are used a growing medium in net or regular pots. Perfect for Ebb & Flow and drip irrigation hydroponic systems as well as a medium to hold root balls in Aeroponic and Deep Water hydroponic systems.
Want to try a hydroponic medium along side your soil grow plants in pots?
Just fill up your container with the cubes, water with a hydroponic nutrient and watch your plants grow hydroponically!
Made in Denmark since 1969, rockwool (also called stonewool) is widely recognized as the ideal growing substrate. For any growing application, rockwool offers speed, ease of use and cleanliness. Grodan and Paragro rockwool is known for its top quality, consistency and performance.