10-02-2007, 01:08 PM
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DIY background for an established tank
I want to do a styrofoam and concrete background like the plans all over the internet, but every one says to use silicone to hold it to the back. It's a 20 gallon long already cycled with fish in it and I'd rather not have to pull the fish out to let the silicone set. If anything, I'd scrap the background if I can't come up with a way to keep it down. Any one have any thoughts on how to do this, or ways that have worked for them?
Thanks in advance.