Overflow plans?

[Steph1643]

I am looking for plans to build a overflow out of PVC?
I would like the flow rate to be 600 gph. I know there are plans out there but I couldnt find them.

Thanks Nick

 

[jgrigsby]

Check out melev's designs for overflows and sumps. www.melevsreef.com

 

[Steph1643]

I didnt see any thing for an overflow all I saw was for a sump.

 

[30mini]

Overflow Box There ya go