Pool Return Aerator Help

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BrownDogs

Member
May 22, 2021
9
Anaheim, CA
Pool Size
18000
Surface
Plaster
I have a newly re-plumbed and plastered pool. In my old (circa 1958) in-ground pool, I had only 1 copper return. The builder just now put in all new PVC including new skimmer, main drains, vacuum port and 3 returns.

I need to raise pH so I need to aerate. I'd like to know how these return jets work. There is no eyeball or directional piece. There appears to be a cover ring with 2 little tabs which makes me think the ring is threaded on and I can twist it off and reveal threads that an aerator can screw on to. Take a look at the pic and see if you recognize it and can recommend an aeration product.
(Sorry about the picture quality but it is taken thru the water from above.)

I have no idea of the manufacturer / brand of the returns but I'd like to find out what options there are to add aeration to them and then later to direct them downward after I fix pH with aeration. That's probably 2 separate items, I would guess? Thanks!

1742841521339.png
 
Why do you think you need to aerate? pH will rise on its own.
What is the TA of your water. Can you post a full set of results?

As for the return, there should have been a tool that came with it...have anything that looks like this?
1742592345867.png

1742592345867.png


As for aeration, I decided not to go the plug in route...I didn't want to damage the return. Here was my solution on a sump pump...

Lowering Total Alkalinity (TA) Quickly with the Acid Aeration Method

Thought I'd make a post that might help others. We've had quite a few members this year with high TA, and I've been typing the same information over and over. I'm going to post this so I can link it to help others. High TA can cause rapid pH rise. High TA is typically caused by high TA fill...
www.troublefreepool.com www.troublefreepool.com
 
Thanks for the quick replies PoolStored and ajw22. :)
I just tested now the newly filled pool. I tested with my test kit (see sig).
FC 0.5
CC 0
pH 7.2
TA 140
CH 275
CA 5

After filling with new water the pH was 8.1. TA was at 165.
Over the last 3 days, I have been adding Muriatic Acid 30 oz at time and waiting at least 4 hours. I am lowering TA first and then increase CA with conditioner. I just added another 30 oz of MA after the test above. If the pH drops a lot I want to increase it. Aerating seems the way to go.

I appreciate the sump pump suggestion and I do have one so may do that if needed (thanks PoolStored).

I was able to unscrew the outer collar ring with my fingers. The tabs protrude out and are rather easy to grab. The builder did not leave anything...no tools, no manuals (new Skimmer, returns, and LED light, etc.) so I'm a little irritated about that but I'm finding most of the info I need online.

There is actually an adjustable port under the return collar. I'm able to point them up but they don't break the surface and just kind of ripple the water so not aerating much. If I need aeration it looks like I will do the pump method or find a compatible aerator that fits the AquaStar eyeball (thanks ajw22).
 
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