Going to sump. If you can great stuff.
You still have compartments which can still be used, which allows even more room in the sump. I wonder if you could drill into one of the compartments underneath instead of an overflow. If I'm right your tank has a hinged lid which might rule that option out.
You still have compartments which can still be used, which allows even more room in the sump. I wonder if you could drill into one of the compartments underneath instead of an overflow. If I'm right your tank has a hinged lid which might rule that option out.