the back wall is a eggcrate base with 15 pounds lr in it and another 10 pounds on the bottom to hold it down. sand is put on with a epoxy resin. i still had to drill holes in the back and zip tie it so it woudl not float. who new foam was so boyunt.
Jason
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30g Display, 30g Sump, 24" 4 bulb tek light, Reefkeeper 2, Aqua C Urchin Skimmer, JBJ ATO , Tom Aqualifter Pump, 2 Koralia 1's, ECO Plus Lunar Nightlight, Eco 1056 submersible return pump routed through a SCWD
"Take your time. The only thing that happens fast in a reef tank is disasters."
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