http://www.seenontvmall.com/housewares/clr.htm
You can probably get it at your favorite *mart.
Moontanman_at_aol.com wrote:
>
> A friend gave me an aquarium that had been sitting for several years. This
> had allowed all the water to evaporate and left the glass encrusted with what
> ever was in the water. probably mainly calcium carbonate. It would appear the
> water that evaporated was water that had been kept in the aquarium fro a long
> time with no water changes so it was pretty concentrated before it was allowed
> to evaporate. The glass has a very rough coating of something and I would like
> to remove it without ruining the glass. What would be my best bet? the coating
> is very thick and tough. Any help would be appreciated.
>
> Moon
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/-----------------------------------------------------------------------------
/"Unless stated otherwise, comments made on this list do not necessarily
/ reflect the beliefs or goals of the North American Native Fishes
/ Association"
/ This is the discussion list of the North American Native Fishes Association
/ nanfa_at_aquaria.net. To subscribe, unsubscribe, or get help, send the word
/ subscribe, unsubscribe, or help in the body (not subject) of an email to
/ nanfa-request_at_aquaria.net. For a digest version, send the command to
/ nanfa-digest-request_at_aquaria.net instead.
/ For more information about NANFA, visit our web page, http://www.nanfa.org