shyland83
04/15/2007, 03:14 PM
I have a 120 with a horizontal overflow and 4-1" drains. I'm thinking drilling a hole in each cap and putting 1/4"tubing through the hole with a small valve on the tubing. This would give me good control over air flow and make it very quiet. Has anyone done this? I know people have drilled a hole through the side of the cap and the pipe so you can spin the cap and control airflow, but the caps can be hard to spin. any opinions are appreciated. Here is a pic of the partially assembled overflows.
http://i146.photobucket.com/albums/r280/shyland83/P1010025.jpg
http://i146.photobucket.com/albums/r280/shyland83/P1010025.jpg