Made in Denmark since 1969, Grodan rockwool (also called stonewool) is widely recognized as the ideal soilless substrate. For any growing application, rockwool offers speed, ease of use, and cleanliness. Rockwool is an alternative to coco coir and expanded clay for hydroponic applications.
6″ Hugo Blocks can be used as an intermediary or final container for planting.
Individually wrapped cubes hold the rockwool’s shape and prevent algae growth.
Grodan A-OK Staters and Macroplugs fit snugly into the pre-formed hole on the top of the 6″ Hugo Block.
Hugo Blocks Measure 6″ x 6″ x 6″ Perfect for larger plants, this is the biggest Rockwool / Stonewool cube we have available. 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.
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