Then your filter is not on.
You burp bubbles
If your dog has bubbles on his/her ears, it is most likely due to a buildup of blood or puss in the ear, which has to either be left alone or taken to a vet to be lanced.
I fizzes and bubbles
It Bubbles
it bubbles
It bubbles!
bubbles
just a twitch or ear infection
it bubbles
Ahhh the piercing closes and you need to get it repierced..
Then the ear gets wet...