- Mar 17, 2011
- 33
Hello. We replaced our Hayward T-15 SWG cell. We have a Hayward Aqua Plus system and the salt reading needs to be calibrated. How do we do it? The pool store states our salt is 3200 ppm. Thank you.
replaced T-15 cell, salt reading question
- Thread starter tcordle
- Start date
I have the Taylor Technologies K-1766 Salt Water Kit to independently check my salt level. I found it worth the investment.
- May 3, 2007
- 17,086
- Pool Size
- 20000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Hayward Aqua Rite (T-15)
You can't "calibrate" the system only reset the average reading to an instantaneous reading. But over time the average should approach the correct value on its own.
- Mar 17, 2011
- 33
See post #9 in this thread. There is some additional conversation in there as well.
Please note - the cell's salt measurement equation utilizes the pool water temp. If temp is low (cold) the salt reading will read low. It is preferred to wait until your water temp is over 70 deg F (at least 60) before doing a lot of work to/with the cell. Use bleach until then. Second, salt readings are expected to be off (+/-) 400 ppm at any time. Lastly, please update your profile to include a location, thanks.
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=6&cad=rja&uact=8&ved=0ahUKEwjnzuivnvzTAhVqw1QKHasRBnoQFghHMAU&url=https%3A%2F%2Fwww.troublefreepool.com%2Fthreads%2F122155-How-to-remove-and-clean-a-hayward-t-cell-15&usg=AFQjCNFOEATJ51Pbq5aRxnTGMmHy_NBQgA&sig2=YLmJBOSUM0WvsSpbbcb13w
Please note - the cell's salt measurement equation utilizes the pool water temp. If temp is low (cold) the salt reading will read low. It is preferred to wait until your water temp is over 70 deg F (at least 60) before doing a lot of work to/with the cell. Use bleach until then. Second, salt readings are expected to be off (+/-) 400 ppm at any time. Lastly, please update your profile to include a location, thanks.
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=6&cad=rja&uact=8&ved=0ahUKEwjnzuivnvzTAhVqw1QKHasRBnoQFghHMAU&url=https%3A%2F%2Fwww.troublefreepool.com%2Fthreads%2F122155-How-to-remove-and-clean-a-hayward-t-cell-15&usg=AFQjCNFOEATJ51Pbq5aRxnTGMmHy_NBQgA&sig2=YLmJBOSUM0WvsSpbbcb13w
- May 3, 2007
- 17,086
- Pool Size
- 20000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Hayward Aqua Rite (T-15)
- Mar 17, 2011
- 33
- Mar 17, 2011
- 33
Thank you. Our system is an Aqua Plus, not Aqua Rite, though.
The water temp is 79.
We are in NW GA (as my profile states).
The water temp is 79.
We are in NW GA (as my profile states).
- Mar 17, 2011
- 33
- May 3, 2007
- 17,086
- Pool Size
- 20000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Hayward Aqua Rite (T-15)
My SWG readout, which uses a T-15 cell, has never been more than about 200 ppm off of the Taylor test kit which is within the resolution of the test kit. Also, I have watched the cell readout over temperature and from 50 to 100 F, the readout is about the same. From what I have seen, Goldline does a pretty good job with temperature compensation and calibration.
- May 3, 2007
- 17,086
- Pool Size
- 20000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Hayward Aqua Rite (T-15)
That seems way off. Are you sure there isn't something amiss?My prologic is consistently about 600ppm lower than the Taylor salt test. YMMV
Been like that for years. I have no idea
Had me very confused when first installed. Checked cell on another pool. Now I just roll with it.
Had me very confused when first installed. Checked cell on another pool. Now I just roll with it.
- May 3, 2007
- 17,086
- Pool Size
- 20000
- Surface
- Plaster
- Chlorine
- Salt Water Generator
- SWG Type
- Hayward Aqua Rite (T-15)
There are several reasons for a low salt readout:
Failing cell
Dirty cell
Bad K-1 Solder Joint
Bad K-1 Relay
Bad temperature sensor (in cell)
Failing cell
Dirty cell
Bad K-1 Solder Joint
Bad K-1 Relay
Bad temperature sensor (in cell)
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