I agree with Dave. Simply having boxes of water increases the chance of spilled water. Adding plumbing extending outside the tank even more so. Several of my tanks are internal sumps (mattenfilter) style. http://www.janrigter.nl/mattenfilter/ -Paul On Tue, 22 Jan 2008, Sanford, Dave LHS-STAFF wrote: > I have heard of the flood being caused by problems with canister > filters, but I've never had the problem with them, both magnum and > fluval, for over 20 years. I did have an aqua-clear hang on the back > type clog and overflow out of the back. > dave > > > _______________________________________________ > GSAS-Member mailing list > GSAS-Member@thekrib.com > http://lists.thekrib.com/mailman/listinfo/gsas-member > _______________________________________________ GSAS-Member mailing list GSAS-Member@thekrib.com http://lists.thekrib.com/mailman/listinfo/gsas-member