> In a message dated 2/3/03 2:59:14 PM, Moontanman_at_aol.com writes:
>
> <<
> I've been giving some thought to trying powdered lava rock. It should
contain
> lots of minerals for plant growth. Any body like to comment on this? You
can
> go to the place where they sell lava rock in bulk and at the bottom of the
> pile is always s a layer of lava rock powder. it can be black or brown.
> >>
>
> I have been using Lava Rock in Henri DeBruyn type external filters and the
> plants do seem to grow better. For the details see the AKA tape of his
talk
> at 2002 AKA Convention.
>
> Lee Harper
> Media, PA
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