Another idea I had was to use a dead sponge as ribbing between the PVC skeleton pieces and cover it with my clothcrete skin.. then drill holes to create low flow water access into it.
My intent was to make it lightweight
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Failure isn't an option It's a requirement. 660g 380inwall+280smp/surge S/L/Soft/Maxima/RBTA/Clown/Chromis/Anthias/Tang/Mandarin/Jawfish/Goby/Wrasse/D'back. DIY 12' Skimmer ActuatedSurge ConcreteScape
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