mirco bubbles

[Ajholms0427]

I am having trouble getting rid of micro bubbles coming from the output of my return pump. I cannot for the life of me find out where they are coming from. I have a trigger triton 34 sump so my return pump section is right next to the protein skimmer section but the baffle stops all those bubbles. I thought they were coming from the water falling down the last baffle and being sucked into the return pump but I increased water level so there was no drop and still have micro bubbles. I do have a neptune cor 20 that really moves water and I thought maybe the pump is "chopping" the water while going through the pump (but it does happen at all pump speeds).

Anyone have any advice?

 

[Crabs McJones]

Have you turned off your skimmer to see if they go away?

 

[Ajholms0427]

I started by turning the output of the skimmer to the furthest point away of the return section. That didn't work so I turned the skimmer off for half a day and still no change.