On Sun, 25 Apr 2004 00:11:41 +0800, "Kenneth Ho"
wrote:

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All of them acidify water, but usually very slowly. Are they very big, may I
ask?


All together inside the tank they stretch across both ends so I would
say about 24" long and about 8" tall and 8" wide.

I did soak the 2 last pieces (since they were in storage for so long)
in deionized water with some water conditioner for about 2 weeks. Not
sure if that had anything to do with it.