NPnewbie Posted June 21, 2004 Report Share Posted June 21, 2004 Hello...is it safe to use granite or slate in a tropical aquarium? I want to amke a cave or two and use a few rock as decorations. Thanks for the help guys and gals. Quote Link to comment Share on other sites More sharing options...
Caryl Posted June 22, 2004 Report Share Posted June 22, 2004 Granite and slate are fine to use. If you ever have a rock you are unsure of, put it in a container and pour a little vinegar on it. If it fizzes - don't use it. Of course, if you have Africans and want alkaline water, use limestone rocks. Quote Link to comment Share on other sites More sharing options...
NPnewbie Posted June 22, 2004 Author Report Share Posted June 22, 2004 thanks Caryl Quote Link to comment Share on other sites More sharing options...
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