On 21/09/2011 19:47, Carol Ross wrote:
Stay away from rock that is green unless you know it doesn't contain copper. If you want to be on the safe side, wash the rock and put it in a small tank with a few feeder fish for a couple of weeks. Then you'll know if it is safe to use.
Hmm. This is illegal in quite a few countries. :) So I'd also advise people observe their local laws. -- Stuart Halliday http://mytriops.com/ 200 Million years in the making... _______________________________________________ Aquatic-Plants mailing list Aquatic-Plants at actwin_com http://mailman.actwin.com/mailman/listinfo/aquatic-plants