"Pssshh" sound from Eheim Ecco filter normal?
Ive just set up my new Eheim Ecco Pro 2036 external filter and appears to running ok - waters going in and coming out, its almost silent but it makes a sort of "ppssshh" sound every 10 minutes or so. Is there air trapped inside I need to release or have I not primed it properly? Or is it putting oxygen into outflow?
If it is full primed you should hear anything sound except from the motor (depending on the type of the filter).
The trap air bubble is creating this "ppssshh" sound.
-rds