Hydroponics Forums Discussions - rock wool construction board

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rock	02-02-2009 06:36 AM

rock wool construction board

I have a rock wool construction board that was given to me. Can I strip the backing off both sides and use this as my hydroponic media after rinsing it?

Ron	02-02-2009 06:37 AM

Even though it basically is the same material it isn't used in growing plants because of building codes they have to treat it with fire retardant. Plants don't like fire retardant.

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