SWG causing foam on pool.

Bleek131

Active member
May 28, 2023
25
Maryland
Pool Size
30000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Jandy Truclear / Ei
I installed a new salt water generator this year. Now if it’s running my pool fills with foam. If I turn it off, foam disappears. I am still working on balancing the pool. Any thought?
 
Welcome to the forum.
The SWCG will not create foam. It does create hydrogen gas bubbles that exit the return when it is generating. Are you seeing that?
 
I am not sure. This is the first time on 26 years I had to take care of pool. If I turn the swg on, the pool fills with foam. If I turn the swg off it disappears
 
Welcome to the forum.
The SWCG will not create foam. It does create hydrogen gas bubbles that exit the return when it is generating. Are you seeing that?
I thought I already replied. Hopefully I am not duplicating. If I turn Swg on I will get a pool of foam. When I turn Swg off foam disappears. I am still working to get pool balanced.
 
131,

What magic pool store chemicals have you recently added to your pool?

I am not sure what is going on but it should not be the SWCG.

What SWCG system did you get?

Thanks,

Jim R.
I put 20 lbs calcium and gallon of acid 2 days ago. Jandy Tru Clear
 

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I thought I already replied. Hopefully I am not duplicating. If I turn Swg on I will get a pool of foam. When I turn Swg off foam disappears. I am still working to get pool balanced.
How do test the pool chemistry levels? Which test kit do you have? Or do you use the free pool store testing?

From your test kit, post your results in this format.
FC
pH
TA
CH
CYA
FC 0
pH 6.8
TA 180
Stabilizer 0
CH
CYA

A987A422-DA52-4CA1-9E0B-A27CAF4CE611.jpeg
 
How do test the pool chemistry levels? Which test kit do you have? Or do you use the free pool store testing?

From your test kit, post your results in this format.
FC
pH
TA
CH
CYA
Pool store numbers today
Fc .26
Tc .68
Ph 7.1
Ta 73
Ch 183
Ca 5
Salt 1100 - I added salt after this
 
There have been cases reported that in pools that are opened in the cold area of the country can see lots of fine hydrogen bubbles from the SWCG when it is first started. It will subside.
We still recommend you get a proper test kit.
 
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Did you add any pool store chemicals in the time since you opened your pool?

It looks very cloudy. You need to add 5 ppm liquid chlorine then let it mix and using one of the recommended test kits, either the TF-100 from tftestkits.net or the Taylor K-2006C test the water to see if the FC is holding.

Your SWG can not raise your chlorine level fast enough, it is used to maintain the FC level. Add liquid chlorine and see if It holds. If it hold then you need to raise CYA level.
 
Bleek,

Very odd indeed!!!

With a Salt level of only 1100, your cell should not even be working at all...

Your bubbles look a lot like soap bubbles.. They do not look like SWCG bubbles.

So tell me what you do to turn off the SWCG? Are you just shutting off the pump or what?

Thanks,

Jim R.
 
Your bubbles look a lot like soap bubbles.. They do not look like SWCG bubbles.
+1. It doesn't look like SLAM scuz/foam either.

Have you used any household bleach ? It's all got polymers whether splashess or scented or 'chloromax technology', and that's the kinda foam I'm seeing in the pics.
 
How big is your pool in gallons?

A SWCG can generate a few champagne-like bubbles, but in no way will they 'fill' a pool.

Let's see some pics.

Thanks,

Jim R.
There have been cases reported that in pools that are opened in the cold area of the country can see lots of fine hydrogen bubbles from the SWCG when it is first started. It will subside.
We still recommend you get a proper test kit.
Ok. I will do that
 

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+1. It doesn't look like SLAM scuz/foam either.

Have you used any household bleach ? It's all got polymers whether splashess or scented or 'chloromax technology', and that's the kinda foam I'm seeing in the pics.
No I have not. And it only happens if SWG is on. And salt cell is new
 
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+1. It doesn't look like SLAM scuz/foam either.

Have you used any household bleach ? It's all got polymers whether splashess or scented or 'chloromax technology', and that's the kinda foam I'm seeing in the pics.
I only put in Calcium, acid and salt
 

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