meesheelly Posted June 28, 2006 Report Share Posted June 28, 2006 does anyone know if it is safe to put volcanic rock in fish tanks? You know like the red stuff. I saw a pic and it had it and it looked really cool. My mum lives in Rotorua so i thought if it was ok it would be a cool addition to my tank. Quote Link to comment Share on other sites More sharing options...
suphew Posted June 28, 2006 Report Share Posted June 28, 2006 I wouldn't it can contain other stuff that might alter you water parameters and heavy metals. Quote Link to comment Share on other sites More sharing options...
meesheelly Posted June 28, 2006 Author Report Share Posted June 28, 2006 thought so Quote Link to comment Share on other sites More sharing options...
Alan Posted June 29, 2006 Report Share Posted June 29, 2006 I use the volcanic "stuff" from Lake Rotoma. No ill effects that I can see. Not yet any way. Alan 104 Quote Link to comment Share on other sites More sharing options...
meesheelly Posted June 29, 2006 Author Report Share Posted June 29, 2006 hmm i mite have to give it a go and experinent. Quote Link to comment Share on other sites More sharing options...
meesheelly Posted June 29, 2006 Author Report Share Posted June 29, 2006 i read somewhere that it may leech iron, but isnt iron good for plants anyway? Guess it just cant be enough to hurt the fish Quote Link to comment Share on other sites More sharing options...
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