mr_X
Aquarium Advice Addict
we were discussing silica sand as opposed to aragonite based sand in our aquariums in someone's thread. I can't remember which, but i felt i should post this article for all.
Feature Article: Silica In Reef Aquariums — Advanced Aquarist's Online Magazine
Feature Article: Silica In Reef Aquariums — Advanced Aquarist's Online Magazine