Here's some other links...
Here's a better pic of valve placement...
http://www.3reef.com/forums/attachm...p-diy-overflow-overflowmydry.jpg?d=1108229259
A good homemade w/d...
http://www.monsterfishkeepers.com/forums/showthread.php?p=409462#post409462
A little more complicated w/d...
http://www.aquarticles.com/articles/management/Uthup_Sump_Filter.html
That should keep you busy.
If you have any other questions, just ask...
Good Luck,
Dr Joe
Here's a better pic of valve placement...
http://www.3reef.com/forums/attachm...p-diy-overflow-overflowmydry.jpg?d=1108229259
A good homemade w/d...
http://www.monsterfishkeepers.com/forums/showthread.php?p=409462#post409462
A little more complicated w/d...
http://www.aquarticles.com/articles/management/Uthup_Sump_Filter.html
That should keep you busy.
If you have any other questions, just ask...
Good Luck,
Dr Joe