This was first posted on the "Fishkeepers" Forum in February 2004.The video was on VHSC and finally converted and posted on YT in 2007.This was the First attempt to apply the vacuum artificially to achieve this effect although the concept if not the "mechanics" were around for a lot longer.It was just luck that my profession in refrigeration engineering required the use of vacuum pumps that I thought of a way to apply this to my much longer interest in aquaria.
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