Help me with my sump

[reefwars]

Originally Posted by Chief Hill

I never really considered just emptying out the chambers a bit.
If I were to go that route and drill out 1 hole in the 3rd chamber how far down from the top should I drill? And what size would you suggest. Something to run 1"OD pipe?

If you drill down low you'll have to use a 90 and a stand pipe if you drill high you can use a strainer in the bulkhead.

1" is to big there's not a lot of room so go 3/4 Max, half would handle it but I personally don't like 1/2" plumbing.