How to Use Rockwool In Hydroponics



A quick guide on how to use rockwool (stonewool) cubes as a hydroponic grow medium. Rockwool for Hydroponics: Want to support …

15 Comments

  1. You ever have issues with greenies growing on surface of cubes? I seem to get a collection of "algae?" on every grow until the canopy blocks the light to cubes.

  2. Great video spot on information. The only issue I have with it is that your irrigation line was pouring directly on the stem of the plant. Which makes pathogens or damping off VERY LIKELY. For those who don't know it's best to have the irrigation line emitting near the stem/stalk not directly on it. Still again I say great video.

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