What kind of overflow pipe for the 187?

[FishyFishy!]

That is an awesome idea, but lack of pictures for the actual bulkhead side. I can't really see how they would make that work at the bottom.

[kien]

you can (probably) do a true herbie if you are willing to drill That is, drill the outside of the tank/overflow for the emergency.

[wingedfish]

use a 2" slip x slip bulkhead. on the bottom you yould use a 1 or 1 1/2x2x2 tee with the the stop sanded or dremeled out of the smaller diameter end.

[FishyFishy!]

There is actually a 1" hole drilled on the other side of the tank (formerly for a return) that I was going to use for a fancy water changer. I suppose I could do an upwards bend and run the pipe just under the euro brace for an emergency. Then just do a standard durso.

[FishyFishy!]

Another random question.... How would a ball valve fair underwater? If I could have an interior valve I could make the water changer and an emergency drain work! haha.

[kien]

it will likely encrust with coraline and other algaes and become a royal pain to use. Not impossible, just troublesome