rio 6hf noise

[reefpeeper]

i just installed the rio 6hf and it seems to be a little noisy. anybody else come across this. if so what did you do if anything to fix it?

 

[thewackyreefer]

Mine is pretty **** quiet, is it vibrating against anything?

Can't say ****?!?! ****!!

 

[sprinklerdudes]

is there too much restriction on the output line?

 

[sprinklerdudes]

can make a rattling type sound if it is choked down too far