If you notice, Joao also has a thief drain in the sump, directly connected to the sewer. So nothnig, but nothing,overflows.
Good insurance, and would make water changes easy too.
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If you notice, Joao also has a thief drain in the sump, directly connected to the sewer. So nothnig, but nothing,overflows.








what are the two canisters clipped onto the egg crate in the sump, some sort of fluidised bed filter? Tank looks great, love the lighting!