How To Prepare and Pre-soak Rockwool Cubes for Hydroponics—The Right Way!

We show you how to prepare rockwool cubes for seedlings and cuttings using a simple two-step process. We understand that there are many different methods circulating among growers. This is a tried and tested commercial method that achieves the best results. To comment on this video or ask a question, please visit www.just4growers.com

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Everest Fernandez