Urgent,pump siphoning back into sump when power off!!!

  • We are currently upgrading MFK. thanks! -neo
It's not on the pump side where the bubbles are its on the drains,the bubbles are coming out of the drains into the sump.
 
It's not on the pump side where the bubbles are its on the drains,the bubbles are coming out of the drains into the sump.

That's the normal gurgling effect of running a siphon. The only way to fix the gurgling is to run a full siphon that has no air in the line. This is done with a Herbie or Beananimal setup.
 
Ok cheers Jose,I've got the sump under the tank which has got no doors on or sides so probably be a.lot quieter when its finished I guess.


Steve
 
Could I do a herbie or beananimal without drilling my tank as I've got no idea what either of them are?
 
Depends on what your overflow setup is like. A Herbie requires two holes for the drain, minimum. Beananimal requires three.
 
I've just got a hole in each weir for a drain (2) so guess that's a no no then lol,should there be bubbles coming out of the drains with a durso set up ?
 
It could be made to work, just search the web for Herbie overflows and you'll see. As for the bubbles, the Durso really does nothing to address this. All it does is reduce the noise of crashing water into the overflow box. To get rid of bubbles you need to run a full siphon.
 
Ok Jose,thanks for the reply.
 
Also you want to make sure the level in your sump is not to high when the system is running. So when power goes out what water does drain back will not overflow the sump. You can test how high you can go by shutting off the pump and see where the water level goes in the sump. Then mark it with a pen so you know never to fill the sump higher then that point.
 
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