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Re: Water parameters -Reply -Reply

>>> IVIassacre <IVIassacre@aol.com> 03/07/98 01:02pm >>>
In a message dated 98-03-03 20:14:51 EST, you write:

<< We had the same problem(high pH) with one tank, turns out the gravel =
fine/crushed sea shells in it.  One test for that is too take a sample of
gravel (not too wet) and add vinegar too it and see if it bubbles.

>>Would this also work for regular rocks?

Only if they contained carbonate (calcium carbonate in sea shells), the =
vinegar provides acid which causes the carbonate to be converted into CO2 =
and hence the bubbling.