My "Santa Monica 100 Scrubber"

[dota]

btw, how big is the pipe? 1/2" or 3/4" ?

[chrissu]

The extra drain consists of 1" bulkhead with a 1" diameter PVC pipe inserted in it. I am traveling this week but will be sure to get you the exact hight of the PVC pipe. My guess is that it is about 3/4 - 1 inch high. About 1/4" of the pipe is recessed into the bulkhead.

My skimmer is on a timer and only runs 4 hours a night between 1:00 am and 5:00 am. The ATS is the powerhouse of my system.