Here's a trial run of the planted tank i'm setting up. i'm using a sump and co2 injection, so i need to minimize all water splashing and gurgling to avoid gassing off my co2 and wasting a lot of money. used a DIY durso standpipe and a garden valve on the drain line. the drain line was closed to match the pump's output. the result is a super silent setup. no water splashing at all!!!!!! the only noise your hear is from my noisey Quiet One pump
by the way thats 1,017gph of flow youre seeing 
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by the way thats 1,017gph of flow youre seeing [YT]<object width="640" height="385"><param name="movie" value="http://www.youtube.com/v/THLswfuP3DE&hl=en_US&fs=1"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/THLswfuP3DE&hl=en_US&fs=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="640" height="385"></embed></object>[/YT]
