You can buy dry rock - marcorocks.com is one source
You can buy dry homemade rock - garf.org is one source
You can make your own using GARF's instructions.
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150 gal Custom. Born 5/7/07. 2-29 gal sumps. 30 gal frag tank. 20 gal refugium. PFO Solaris Lighting.
My Tank Thread
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