Plumbing Questions

[hillegom]

Its really not that hard to cut glass. New glass is easier to cut than old glass.
I have gone to recycle places that tear down houses and bought old glass windows to cut to size. Or Craigs list.ca If its cheap enough, if you break a few, oh well.
Craigs list.ca here in the lower mainland, bc, you can also find free glass

[whatcaneyedo]

The danner mag drive pumps come with an owners manual that recommends the outflow plumbing to be twice the size of the output connection.

Drain/overflow size calculator: http://www.reefcentral.com/index.php...flow-size-calc

Head Loss calculator http://www.reefcentral.com/index.php...oss-calculator