need help.. loud sump!!!!!!

[new-guy]

i just made my own 10 gal sump and im having problems with the skimmer and drain tube being loud. how can i tone the girgling down. the majority of the the sound is coming from the drain tube. i have the coralife ss125

 

[new-guy]

i forgot to say that i made my own overflow,its the diy pvc that been posted on here....

 

[new-guy]

bump.....

 

[boneybone]

http://www.dursostandpipes.com/ Is this the one you made? If you're getting the gurgling noise then it sounds like your drain is sucking too fast. Adjust the hole for air.