Sump plumbing....

[mdenismd]

I'm comming off a bottom drilled tank.Is it better to stay with 1" PVC to the Refug and to the Skimmer or to down size to 3/4" after the "y". I will be using ball valves on both either way. Thanks for your help!!

 

[heyfredyourhat]

I think if you are using valves, you should stick with 1". I have 1.5" and 1" drains on my tank.

 

[mdenismd]

Thanks! 1" it is.