overflow problem

[saltyscotsman]

help!!!! 180gal tank corner overflows both seam to loose suction they will drop below elbow gurgle then fill up to tank level then drop again ,pump is a 2200 danner and seems to be working fine:hammer:

 

[saltyscotsman]

sorry posted twice in bit of a panic

 

[iamwrasseman]

what type of overflow are they ?

 

[Casey8]

Drill a small hole on the top of your elbow it will release the pressure.

 

[saltyscotsman]

thanks every thing is ok now