When I was building my reef tank, I wanted to test the system out with fresh water to make sure everything was cool. I did the whole thing myself,drilling the tank, building the overflows and sump, so wanted to test things out slowly. I started off by filling the sump with the garden hose. I used the return pump to fill the display tank. Problem was my return pump was draining the sump faster than I had the water coming out the hose. So up the stairs I run and bump up the pressure in the hose.......Yup, you guessed it, the increase in pressure shot the hose out of the sump and sprayed everything in my basement. TV,desktop pc, laptop....everything. Needless to say the g/f was none to impressed when she came home to find me frantically trying to hide my boneheaded move.oh....no leaks in the tank

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260g mixed reef, 105g sump, water blaster 7000 return, Bubble King SM 300 skimmer, Aqua Controller Jr, 4 radions, 3 Tunze 6055s,1 tunze 6065, 2 Vortech MP40s, Vortech MP20, Tunze ATO, GHL SA2 doser, 2 TLF reactors (1 carbon, 1 rowa).
http://www.canreef.com/vbulletin/showthread.php?t=50034 . Tank Video here
http://www.vimeo.com/2304609 and here
http://www.vimeo.com/16591694