SWG having issues with making FC

[Hurricane Gio]

I have a Aqua-rite T-15 SWG on my pool. All last year I ran the cell at 15-20% to keep FC around 4-5.

This year after running a few days at 40%, my FC is only around 3-4. The ump runs 20hrs a day with 6 hrs on High speed. I see the bubbles in the water, but I can't get the FC to get higher. I have my solar cover on the pool.

the water is in balance.

FC 3-4
PH 7.8
TA 75
Borates 50
Salt 4300
CYA 70

is they cell going bad after 1 yr and a few months? Its clean and all wires seem fine. Again, its making chlorine as I can see the bubbles.

 

[JasonLion]

You should do an overnight FC loss test to see if you have the beginnings of an algae problem.

Also, what is the water temperature? If the water is below 60 degrees the cell might be having problems because of the cold water.

 

[JohnT]

Is your Salt reading form the cell or from a test strip? A strip would be better.

If the salt is in line, another possibility is a sem-supressed algae bloom that might be cured by shocking the pool. Is the water clear?

If in doubt, an Overnight FC Loss Test might be in order.

 

[Hurricane Gio]

You should do an overnight FC loss test to see if you have the beginnings of an algae problem.

Also, what is the water temperature? If the water is below 60 degrees the cell might be having problems because of the cold water.

The water is 88 degrees and its crystal clear!

 

[JohnT]

The water is 88 degrees and its crystal clear!

!#@#%^%^&&~!!!!!! :lol:

 

[Hurricane Gio]

Is your Salt reading form the cell or from a test strip? A strip would be better.

If the salt is in line, another possibility is a sem-supressed algae bloom that might be cured by shocking the pool. Is the water clear?

If in doubt, an Overnight FC Loss Test might be in order.

from the cell. I screwed up the salt test last week. I will test the salt again. I I dumped 80 is the last month or so.

 

[Hurricane Gio]

The water is 88 degrees and its crystal clear!

!#@#%^%^&&~!!!!!! :lol:

huh?

 

[Hurricane Gio]

Ok, test strips shows about 4680ppm on the salt

 

[bk406]

[quote="Hurricane Gio":1vufiiz6]
The water is 88 degrees and its crystal clear!

!#@#%^%^&&~!!!!!! :lol:

huh?[/quote:1vufiiz6]

I think John is lamenting the temperature of his own water in indiana compared to yours in south florida.

 

[JohnT]

[quote="Hurricane Gio":2fplfrat]
The water is 88 degrees and its crystal clear!

!#@#%^%^&&~!!!!!! :lol:

huh?[/quote:2fplfrat]

I'm jealous! I'm at 68 with the solar cranking! It's been a very cool spring.

 

[Hurricane Gio]

I'm jealous! I'm at 68 with the solar cranking! It's been a very cool spring.

LMAO! hey, its Florida! The water will drop to the low 80's without the cover and its too cold to swim

 

[RobbieH]

It is 91 here in Dallas today, and my water temp is 74. It's all the rain we've had I think! Didn't stop me from getting in the pool this weekend

 

[Poolschoolgrad]

We need to clarify your water test results.

If CA=70 is Calcium hardness then we need to know the CYA.
A low CYA level will reduce chlorine residual and the output of the SWCG will need to be set to a higher level.


PSG

 

[Hurricane Gio]

We need to clarify your water test results.

If CA=70 is Calcium hardness then we need to know the CYA.
A low CYA level will reduce chlorine residual and the output of the SWCG will need to be set to a higher level.


PSG

Sorry, that was CYA

 

[Poolschoolgrad]

Other things to check:

Clean the cell as per the manufacturers recommendations.
Even minor scalings can reduce chlorine output.

http://www.haywardcanada.com/products/m ... ual345.pdf
See page 9.

If algae is beginning, set the output to 100% for 48 hours, then back to 40% for 48 hours.
Please post your results.

Thanks

PSG