Hydroponics Forums Discussions - small lava rock could be used

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rock	02-04-2009 12:47 AM

small lava rock could be used

What type of rock or other media is used to hold up the plants? Wanted to know if small lava rock could be used.

Ron	02-04-2009 12:47 AM

I use grow rocks but small lava rock would be the next best.

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