help w/ overflow

Well i'm new to the marine fishkeeping game and am in the process of starting a tank. It's a 55g pre-drilled overflow tank made my all-glass. My problem is with the "overflow kit"(plumbing for the draining and returning of water through the bottom of the tank). I have it draining into a sea-life wet/dry and then to a skimmer rated for 75 gal. the pump i have is a mag-drive rated for 700 gph. The problem is that the corrugated drainage pipe(came with the kit) makes loud gurgling and sloshing noises(i know some should be expected but these are really pretty loud) pretty frequently and if possible id like the stop that. I'll have to put some pictures on the next post as this is my first. Thanks in advance!!!!!

 

Get rid of the corrugated line

 

google durso standpipe or durso overflow

 

Yup, add a durso standpipe, or you can add an airline into the drain line to release the trapped air that is causing the gurgling and flushing.

 

i would get rid of the corr. line but its at sort of an odd angle and i'm not sure if flextube would get kinks in it or not - im also not sure if pvc would fit snugly on the bulkheads

 

need to see the setup, but the corrugated stuff is probably not the main source of the noise - it's usually the drain in the overflow box - thus the durso.

 

ok i googled the durso pipes and they seem to have good reviews so thanks for the tip- but if somebody could explain to me a little better what the actually do/ where they go that would be great!!! Here are some photos of my setup(totally open to advice):
this is the side view:

view of the overflow; most of the noise seems to be coming from the drainage pipe on the left:

right side of the sump:

left side of the sump:

how the pipes connect to the bulkheads:

 

adding the durso and wsitching to a smooth tube will help, but due to the nature of it there will always be some noice. I also put a smpone pad ocer the back ofthe overflow with a piece of acrylic above it does not touch the water so does not affect flo, but muffles the noise

 

overflow too loud

Put a 90' PVC elbow inside the overflow box on the drain pipe. I've read it in a book, I've done it with my 1200Gph box (2@1" pipes) it's rolling out about 700gph and i don't hear anything.

Good luck,
Mike

 

here's a pic of mine, note: it's hard to see the 90' PVC part