ive seen lots of different stuff come through the LPS, and numerous other things online. the ones ive seen that i actually think look good enough to put into one of my tanks are made from epoxy resins. they are sweet looking, but take a lot of cash and time to build, therefore, they command a really high price. the ones made of foam are affordable, but you can do something more custom (and better looking IMO) for much less money.
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Landon
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