Plumbing question

legacy2mj

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Setting up a small flat next to my display to house my frags. The tank has an overflow. Is it necessary to include a durso style overflow drain? Or since there is no risk of the tank draining to the bulkhead level is anything needed at the bulkhead? Pictures included.

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TX_REEF

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The durso can be helpful 1. If the overflow isn’t truly watertight and 2 preventing varying water levels within the overflow which may cause a waterfall effect with lots of noise. Those are my thoughts, your call ultimately!
 
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legacy2mj

legacy2mj

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The durso can be helpful 1. If the overflow isn’t truly watertight and 2 preventing varying water levels within the overflow which may cause a waterfall effect with lots of noise. Those are my thoughts, your call ultimately!
I ended up experimenting with and without the durso. The overflow is water tight, at least for now. But without the durso attached it’s a much louder drain that would get annoying extremely fast. Without question the durso being on there is 100% necessary.
 
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