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Thread: Sump sharring?

  1. #1
    Senior Member RaceFaceR1's Avatar
    Join Date
    Sep 2004

    Sump sharring?

    Does anybody have 1 sump that shares between 2 tanks?

    What are the advantage and disavantage of this?

    Is this just stupid?

    I remember somebody talking about this once...


  2. #2
    Senior Member
    Join Date
    Nov 2003
    Shops do this all the time. One risk is that both tanks will be exposed to each others water including diseases, ammonia etc. Good points include larger total water volume because it become ONE setup, a slight smaller foot print unless you go with a bigger sump, less duplication of equipment like skimmers and reactors and everything for both tanks in one place for power supply, water supply and servicing.

  3. #3
    Senior Member tang_man_montreal's Avatar
    Join Date
    Jun 2003
    You must also take into account that the sump must be able to hold enough water for when the power goes out... Anti-siphon holes only go so far... you still get some water from the main tank.
    Checkvalves would be good WITH antisiphon holes.
    I am Homer of BORG... Prepare to be..OOOO!! DONUT!!!!!!

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