Fish Story Aquarium and Rescue, Naples, FL; two 4500 gal 13'x13'x4.5'

[celebrist]

Two questions
What are the 3 unused pumps for
Emergency drain?

 

[thebiggerthebetter]

I used to have 10 pumps (never needed to run all 10 at the stock levels in the past; usually ran 6-8 pumps at a time depending on water temp = dissolved oxygen). Had trouble with the pump brand, it turned out to have an unexpected flaw. I installed 7 replacements and can hook 3 more any time to the idling piping if needed.

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[celebrist]

So close

 

[thebiggerthebetter]

 

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[thebiggerthebetter]