Putting two sumps together?

reefchaser · Mar 7, 2014

How do you connect two sumps together. If you have any pictures that would be nice. Thank you.

JLight · Mar 7, 2014

Ive never done it but it seems like you would have to drill them both and connect them via plumbing. This would be the only safe way.

TheClark · Mar 7, 2014

Here is an example from early in my build. There are two pipes, one is always dry, the emergency connection in case one clogs.

Hope this is useful info

Jeremy

Velodog2 · Mar 7, 2014

I've done it sort of. I put an overflow in one going into the other. Only the second was truly a sump.

BigRedSquid · Mar 7, 2014

This is what im doing in my build with 20gals one refug and one a reg sump

cdness · Mar 7, 2014

I would recommend using flex pipe between them solely for the purpose of crack prevention. You never know if the vibrations or shifting could crack the glass...

BigRedSquid · Mar 7, 2014

Thats a good idea I never thought of that. Is it called flex pipe I dont wanna look dumb when I ask for it ha

cdness · Mar 7, 2014

Spa-Flex, Flexible PVC, or just look into reinforced or regular vinyl hose.

TheClark · Mar 7, 2014

cdness said:
I would recommend using flex pipe between them solely for the purpose of crack prevention. You never know if the vibrations or shifting could crack the glass...

+1, wish I would have done that. If they move at all it can make the bulkheads leak. The flex would take that up...

turbo21 · Mar 7, 2014

i had 2 sumps at one time in the past i used a 2" blukhead on the bottom side of each sump and connected with pvc

water from overflow went into one sump and the return pump was in the other sump so it pulled water across the pvc pipe

bob