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Old 09-02-2009, 08:50 PM   #11
dorado50
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Join Date: Mar 2006
Location: La Jolla Shores
Posts: 1,626
Think about this.. On the thresher tank water from sea is pumped into the tank from the surface,this fresh sea water then exits from top scupper on tank(as to prevent overflow). Therefore this new fresh water with all the oxygen does not reach bottom where it is needed most. That is why dines don't last as long especially in warmer water times. Not as much of a problem in winter months. The hobie tank deposits water from the bottom thus going upward (circulating oxygen before exiting thru scupper). I also use a thresher tank(three years now,same tank) and have never had a problem with it at all;I really like it.

Last edited by dorado50; 09-02-2009 at 10:09 PM.
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