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Thread: Thinking about Cor-20

  1. #1
    New User
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    Thinking about Cor-20

    Putting the finishing touches on a new build and selecting my return pump.

    I have a 90g with a 35g sump, the sump has a built in manifold with a media reactor and 3/4" out.

    I was originally planning a single run up the back for the return so 2 90's about 3 feet of 3/4" pipe, open to splitting this off to dual returns and creating more head loss if needed.

    I have the Apex Jr currently and plan in the next 1-2 years to upgrade to a 180-220g tank.


    Is the Cor-20 going to be too much for my current system?

  2. #2
    Frequent Contributor zombie's Avatar
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    Dec 2013
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    Denver, CO
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    No. You can dial it back quite a bit and somewhere between 30 and 50% is probably ideal for that piping and tank size. You may not be able to get it to stall at 1% and have to live with completely off or a trickle through the overflow for feeding, but that doesn't bother most people.

    Sent from my SM-G965U using Tapatalk

  3. #3
    New User
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    Thank you Zombie! Appreciate the feedback. On my way to pick one up after work.

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