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I want to build a waterfall for my new vivarium and I'm curious if I could use floral foam? And if I can, what kind should I use? Any help would be much appreciated.
I would avoid floral foam as many of them contain toxic chemicals that could leach out into your tank if you havn't prepared it properly. Im not sure if it would be durable enough either. Its designed to absorb water and over time would begin to disintergrate. Ive not tried it in a vivarium set up but experience with cut flowers has shown that over time it does soften considerably. There are many suggestions on this forum including using the foam 'great stuff'. Once cured you can carve it anyway you like.