Bubbles from my returns?

I'm new to having a pool (bought a house with a pool), so this may be a silly question. I've got an IG pool, with a cartridge filter and a SWCG. Recently, based advice, I cleaned the cell with muriatic acid because it hadn't been cleaned in a while.

Now, the jets seems to be spewing out either small bubbles or something similar. The water is clear, but the jets almost look like they are spewing out partial air and water, although I don't think that it's actually air.

Is this a problem that I should be concerned with?

not really. It's mostly oxygen, hydrogen, and chlorine. It shouldn't be overwhelming to cause a cloudy condition. It should be fine "champagne" bubbles that dissapate quickly.

Those little bubbles tells me that My SWCG is working!