Small bubbles from return jets - help

[MoogMan]

Hi all,

1 year old 10000 gallon pool and I’m suddenly getting water bubbles from return jets. (Video 1 was filmed at night, apologies for the loud toad!)

Video 1

Video 2

So far I have checked:

1. Water is at correct level.

2. Pump basket is seated correctly (no visible air in basket) and seal seems to be good.

3. Bubbles disappear when pump is increased to max and decreased again. (I’m at around half - 1700rpm)

4. Filter pressure (cartridge) is nominal.

5. I have an SWG, but bubbles appear regardless if it’s chlorinating or not.

6. Cannot see any leaks from unions.

What should I try next? Many thanks.

 

[mknauss]

Post your videos to YouTube and put the link here.

Thank you.

 

[MoogMan]

Sure - do the video links not work in my post? Thanks.

 

[mknauss]

Sure - do the video links not work in my post? Thanks.

Many of us will not open odd links. YouTube we trust.

 

[MoogMan]

Okay - here are the YouTube videos! Thanks for the help.

 

[mknauss]

Those bubbles look very much like hydrogen from the SWCG.

Turn off the SWCG for an hour. See if they disappear.