Air bubbles from return

[muggle0981]

Thought

set up new tank

4 returns back into tank, one for some some reason blows air bubbles every little bit

initially had to set pump flow down as it was too much

Trying to see what else to do

 

[GaryE]

sounds like your water level may be too low in your return area of your sump. Fix that.

 

[muggle0981]

On elbow joing in corner of return there is a slight water that runs out

my last returns didnt do this that im aware of

if i cover the hole it stops blowing bubbles

 

[GaryE]

That's a syphon break.

 

[muggle0981]

So it should be there??

 

[DeepintheReef]

Yes, you need to raise up the drain pipe a little. This will make the water behind the overflow slightly higher so it won’t suck in air and will cover that hole.

 

[muggle0981]

So essentiallly i need to get more water i to my overflow

 

[muggle0981]

Since they are only filled up like 1/2 way up

 

[muggle0981]

Have to figure something else out

cant raise the drain pipe high enough, water doesnt come up to elbow where siphon break is

 

[slojim]

Can't see your loc line exit, but if it is right at the surface or above and will quickly be above the water level when your return stops, then it can be your siphon break. If you move it later, you'll have to keep that in mind.

 

[muggle0981]

not sure what you are saying

tube on left of the two is what is spirting out air bubbles

in the overflow i cant raise water enough to submerge the siphon break on elbow that is return to sump

 

[muggle0981]

Pics

 

[muggle0981]

So weird

Moved loc line exit return around and the return stopped blowing little micro bubbles