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Re: Water parameters -Reply

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 had
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?