You can use many things. Cement and tile grout are very common. Both work well, are cheap, can be had in a vriety of colors, and are not hard to work with. I don't really think you absolutely need to seal the product but sealing it makes it easier to clean and less likely to retain an odor etc..



If your worried about any kind of toxicity just soak the finished product in water for 2 weeks, changing the water frequently. This is what many people do for aquariums.



Epoxy also works exceptionally well and is basically water proof. I believe for aquariums the recommended brand is west systems 105 resin but don't quote me on that. This is more expensive however, much more expensive and for a gecko tank probably overkill.

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• Fake Rock in Humid Environment - ANIMALmenagerie, Sun Dec 23 16:49:54 2007
• RE: Fake Rock in Humid Environment - TBONE21, Mon Dec 24 08:35:36 2007
• RE: Fake Rock in Humid Environment - ANIMALmenagerie, Mon Dec 24 10:05:16 2007
• RE: Fake Rock in Humid Environment - Chris_Harper2, Wed Dec 26 10:51:51 2007
• RE: Fake Rock in Humid Environment - MOLONOWSKI2, Wed Dec 26 21:16:05 2007
• RE: Fake Rock in Humid Environment - ANIMALmenagerie, Fri Dec 28 13:29:03 2007
• RE: Fake Rock in Humid Environment - Chris_Harper2, Fri Dec 28 13:44:59 2007