I was in orlando a few weeks ago at a global pet show and saw a cool new product. Its a pourous ceramic foam rock to substitute for live rock. It looked real good and and came in any size pieces. Its called vidarock. Made by a usa co called cerameco.
I would say that sounds great. But I would also have to ask does it help keep the pH stable? Ceramics are a sillicon based product similar to glass. If this product had the capacity to dissolve in water I would imagine it could contribute to diatom problems.
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