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Hard Rock Gardeningby George Van Patten

Rockwool is the greatest innovation in growing media in the last 20 years. This revolutionary soilless medium consists of thin strand-like fibers made from rocks.

Mother Nature demonstrated rockwool on the islands of Hawaii as a volcanic product in 1840 . . .

George Van Patten has published many books on hydroponics and indoor gardening including the popular Gardening Indoors series.

For the complete version of this article, see The Growing Edge, Volume 1, Number 1, Premiere Issue, page 37.