catcher Posted October 18, 2004 Share Posted October 18, 2004 Hi all, I've seen a couple of ornaments I want to put in my display tank. One is made from Limestone which is OK but the other is volcanic rock/volcanic ash?, it has a white/grey colour, not the scoria type colouration. Does anyone know for sure if this will be ok? This may be a question for Merjo? cheers glenn Link to comment Share on other sites More sharing options...
slotha Posted October 18, 2004 Share Posted October 18, 2004 If its that orange rock then, yeah its fine. I saw a tank that had heaps of it in it and it looked pretty awesome. HTH Tim Link to comment Share on other sites More sharing options...
anchar Posted October 18, 2004 Share Posted October 18, 2004 Hi Glenn, By white volcanic rock do you mean pumice like? If it is volcanic in origin and contaminant *read pesticide etc. free it will be safe. If you are worried, put it in a bucket of water outside for a few weeks to leach out anything that will be released. Also test the pH of the water in the bucket for peace of mind. It sounds like it maybe a concrete or painted plaster ornament. They should be fine, but I would do the bucket thingo/pH test anyway. merjo Link to comment Share on other sites More sharing options...
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