Durso Standpipe Bubbles?

[garybuk]

i have made my own durso standpipe with two 90degress piping and a small hole in the top of one!! but im getting stuiped amount of bubbles , if i block the hole it over flows the sump! then if i slow the flow down the drain pipe it over flows the tank !!!! please help!!!!

 

[SkiFletch]

Ummm, you're supposed to get bubbles in the drain line... Its the fact that it can breathe that allows it to match the pump.

 

[garybuk]

Ummm, you're supposed to get bubbles in the drain line... Its the fact that it can breathe that allows it to match the pump.

ok thanks ski! just got a new pump eheim compact 5000+

 

[SkiFletch]

Why are the bubbles a problem for you?

 

[garybuk]

Why are the bubbles a problem for you?

Nosies when popping in the sump!!! its alot ov bubbles! i get the sounds" like taking a plug out the bath" every now and then from my drain pipe! not too worryed about that!!!

 

[ostrow]

Is the drain on the bottom of the tank, or on the back/side? I ask, because my frag and fuge tanks are drilled on the back and side, respectively. And I can tell you that IF the bubbles build up, and they will, they can block the drain and cause a flood. This invariably happens at 1am or so IME.

I use an aqualifter to suck the air out the top of the durso, by drilling a small hole in the cap, inserting an airline connector, and connecting airline tubing to the aqualifter intake. I run a tube from the output to the sump in case water gets in. It's also a way to get air/oxygenation into the system.

 

[garybuk]

its drilled at the bottom! with a pipe going up to the top! kinda got used to the bubbles! dont get much at the min! but dreading it when i upgrade my return pump

 

[ostrow]

That's a flushing problem. Your durso should be larger than the bulkhead, reduce it down right at the bulkhead. That'll solve a lot of the problem