Question about Seio pumps

[edsimmons]

I got a Seio pump but no instructions I was wondering what the small blue knob on the back is used for?

Thanks Ed

 

[josh holt]

you can hook air line tubing to it to make bubbles in the tank

 

[edsimmons]

Thanks josh

 

[Reefugee]

Ed - I love your avatar! Gave me a good chuckle.

 

[edsimmons]

Thanks Reefugee.

The caption should be “Now that’s what I call a good hair day!”