micro bubbles

[Zooguy]

I have a new 125 and its been running for a month. In that time Ive noticed that the water inlet pipes to the tank are also spitting out micro bubbles. Ive turned off the skimmer and still the bubbles are there. And check this out. If I put More water in the sump I get more bubbles. Less water less bubbles. If I put my finger over the end of the pipe and slow the water down the bubbles go away. Where are these bubbles comming from? It looks like backward snow in my tank.

 

[Zooguy]

Got it!!

Got it!!

Well I figured it out. It was the downward flow from the tank going into the sump. I had removed the foam filter and that let the bubbles into the area where the return pump was. So I put the foam filter back in and 99 percent of the bubbles disapeared.

Oh well at least no more bubbles. Now if I can only find my missing mandrin.