Pump vibration damping.

[phi delt reefer]

sand in a zip lock bag under the pump

[SeanPrest]

im using filter foam out of an old fluval i had kicking around

[cale262]

Originally Posted by phi delt reefer

sand in a zip lock bag under the pump

Awesome idea

[GMGQ]

You can also get a multi pack of suction cups from the dollar store store or Daiso. Just get the ones that come with removable metal hooks (and remove them).