DIY Rock Background
Hello, I have made a rock wall background out of insulation foam, grout, paint, and Flex Seal for s smaller enclosure. However I am upgrading the enclose and am wanting to make a rock wall insert for 3 of the walls, with a waterfall, ledges, and hides. The rock wall I already made is pretty heavy for its size, and I am wondering if there is anything I can do to reduce the weight and still have it be strong enough. Thanks!
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