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Proteus' Shallow reef build
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03-17-2013, 05:14 PM
Proteus
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Join Date: Apr 2011
Location: Devon
Posts: 2,784
In event of power failer I am installing check valves. I using a George fisher check valve. Also oversize sump with the possibility of external overflow tank. Depending on sump capacity
http://www.bulkreefsupply.com/george...k-valve-1.html
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