Andrew,
That's correct. Silica sand IS largely inert, since glass IS basically
silica, and if silica sand would wreak havoc to a tank's parameters, so
would the tank itself. The bacteria and mini-critters in a silica sand bed
couldn't care less about what the composition is, as long as its fine.
Roger
>
>have to jump in hear, silica sand is fine for use in a DSB, just ask >Dr.
>Shimek yourself. Also, as I heard at MACNA calcium based sands >are in
>fact not acting as a buffer. This is a myth as Dr. Shimek >said, "if your
>calcium based sand is actually dissolving in your >aquarium, then your
>corals should be melting as well." Dont beleive >me, ask the Dr. at
>reefcentral or reefs.org
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