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Old 01-27-2011, 09:25 PM
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cale262 cale262 is offline
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Location: Beaumont Alberta
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I have one of each, all with herbies. One with a HOB overflow, one with an internal overflow and one with an external overflow…
  • The HOB has never spilt a drop and if set up properly I can’t see how it could**, I turn my return pumps off twice a day every day at feeding times.
  • The Internal is nice and fool proof, but it takes allot of realty which doesn’t look very appealing to me.
  • The External is my favorite as there as there is no box in the tank, just an overflow cut into the rim of the tank with the box on the back of the tank and nothing more…
** Unless something is plugged none will overflow…IME
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Glass box with stoney stuff and fisches...

Last edited by cale262; 01-27-2011 at 09:32 PM.
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