Reefer 250 noise

[Aeb1419]

Hi,

Having trouble dealing with the noise on the red sea reefer 250. I was able to adjust the valve so that it quiets up top which helped dramatically but I hear the trickling which is bothering me. Anyway to quiet this down? Any suggestions would help.

The white valve is coming from an additional refugium. Not sure if thats whats mainly causing the noise.

 

[MichaelReefer]

Trickling makes me feel like its your emergency overflow?

 

[Aeb1419]

You were right. I adjusted it but it seems the refugium pipe is creating bubbles and causing noise. Will post up pics of any ideas to silence this