What is an overflow?

  • We are currently upgrading MFK. thanks! -neo
An overflow transfers water from your main tank into a sump. It can be a box on the side of the tank, or built in. And it is as useful in fresh as salt to carry water out of the main tank to the sump where filter material, and pumps can be located.
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Above a box type, directly below a CPR brand.
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Below a standpipe in a drilled tank.
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