Pool aerator TA and cooling

bubbles^2

Well-known member
Jul 2, 2021
117
Arizona
So with the current heat the pool has gotten into the 90s (based on the SWG, above ground pipes). Because of this we've started looking into potentially how to bring the temperature down.

The pool has two pumps, one that runs the majority of the system, and one that purely runs a waterfall.

I could make a pvc aerator to hook onto the waterfall pump, and this would be the easiest, but would need to run the waterfall pump in addition to the pump running the filter and SWG.

Unfortunately, the pool jets and spa jets do not have a collar for me to replace and put an aerator on the jets.

The pool has a built in aerator, but the flow is extremely weak. It would be the easiest and the best if I could get the built in aerator running at low GPM since it will be in the filter loop as well as the SWG loop. But even at full tilt on our pool pump (140 gpm) it's not much more than a trickle, and the valve for the aerator is completely open. The videos I've seen online appear that the spray is much more aersoled and travels quite a bit further.

The manifold has two valves, the first controls if water goes towards the spa or the pool. After this valve there is another one that controls if the water goes to the pool return jets or the aerator and pool jets.

The only potential solutions I can think of are the actual aerator nozzle is too large, and could use a replacement but thus far it looks like just about all aerators have the same size, or I need to somehow close off some of the return jets to increase the resistance thereby diverting more water to the aerator.

Or on a completely different tangent I could build an aerator off a sump pump.

Anyone have any advice or thoughts?
 
This will cool your pool down...

 
This will cool your pool down...


Thank you, that's the post I have open to put together an aerator with a sump pump. It certainly looks effective, and I'm definitely considering it, but it would be nice to get the built in aerator working.
 
Just realized that the return jets are flush mounted eyeball fittings. Which means I should be able to remove the eyeball and find a thread to plug it easier. This should work in raising the pressure a little to get the aerator working more efficiently.
 
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Flush mount eyeball fittings are a PITA.

There's a total of 7 returns, and it looks like 6 of them are in the aerator circuit. I plan on plugging one to two to start and see how much increased pressure I get from that.
 
Not much of an increase in aerator volume with two of the returns closed. Still four of the returns still open. At this point it's either I need to close most of the returns or I need to consider that the aerator nozzle is just too large.
 
So I blocked another return, this one was painful. The tabs actually broke off the ring that retains the nozzle. Is there a tool specific to remove these? they are a PITA.

So with this return blocked I'm still seeing not very much volume with the aerator even with the pump going 140 gpm. I can continue blocking returns but I'm starting to think that maybe the aerator nozzle is damaged or much too large.
 
All returns blocked except one, I ran out of plugs. With the new aerator nozzle and all the returns blocked except one I'm getting pretty good height/distance now at 60 gpm. Going to pick up another plug and see what I can get with 20 gpm.
 

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