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Lava Rock Base
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12/26/2007, 10:53 PM
bertoni
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Join Date: Mar 2002
Location: Foster City, CA, USA
Posts: 35,743
That's a fairly common approach, although there's some worries about lava rock leaching various unpleasant chemicals. I'd spring for some base rock, which can be very inexpensive, but I'm a very cautious sort.
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Jonathan Bertoni
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