Instant salt level drops to -0

soccerstar_15d

New member
May 10, 2022
3
GA
I inherited a hayward swg. I had to replace the motherboard last year and did so with an aftermarket board which is now the r8.88 (88-0 product). I have a turbo t-cell 15 which I'm not sure of the lifespan but figure it's nearing the end. Anyway, added salt which started at 0ppm and turned on my swg the next day. It would turn on but the instant salt level quickly dropped from -1200 to -0, and then would kick off with the low salt and inspect cell light on. I tried to recalibrate numerous times but kept going to -0 on instant saltv level. Even after cleaning cell it did the same. Checked the salt at Leslies and it was 1850ppm. I added 3 more bags today which should put me at roughly 2700ppm tomorrow.

My question, if it continues to do the same thing with a proper salt level does that mean my cell is bad or should I be concerned about the aftermarket board being faulty? The board was hardly used at all last pool season as my pool was under a remodel so I figure it's the cell because it's at minimum 4 years old but perhaps older. Thanks in advance.

*I've done my research and this aftermarket board should be compatible with the t-15 cell.
 
You need to test your salt with the Taylor K-1766 Salt Test . Do not make any changes to your water based on the device.
Devises "lie".

If you feel the SWG isn't working properly- first off, use Liquid Chlorine to keep the pool algae free. Then take the cell to the pool store and ask them if they can test it?

Welcome to TFP :)

Maddie :flower:
 
You need to test your salt with the Taylor K-1766 Salt Test . Do not make any changes to your water based on the device.
Devises "lie".

If you feel the SWG isn't working properly- first off, use Liquid Chlorine to keep the pool algae free. Then take the cell to the pool store and ask them if they can test it?

Welcome to TFP :)

Maddie :flower:
Are you saying that I shouldn't trust the salt reading from Leslie's Pool Store?
 
The track record for pool store results has not been good. No one cares as much as you do to take care to do the tests properly.
You can take 3 sampless to 3 different pool stores and get three different readings. Which one will you trust. The one you do yourself is always more reliable. (Don't go to more than one Leslie's or they'll just look up your last results in the 'puter)

The Taylor K-1766 Salt test is just about the gold standard.

Maddie :flower:
 
The track record for pool store results has not been good. No one cares as much as you do to take care to do the tests properly.
You can take 3 sampless to 3 different pool stores and get three different readings. Which one will you trust. The one you do yourself is always more reliable. (Don't go to more than one Leslie's or they'll just look up your last results in the 'puter)

The Taylor K-1766 Salt test is just about the gold standard.

Maddie :flower:
I gotcha. Out of curiosity what is the shelf life of the k-1766. Will it last me 3 pool seasons? Thanks.
 
I gotcha. Out of curiosity what is the shelf life of the k-1766. Will it last me 3 pool seasons? Thanks.
Official Answer: Reagent Shelf Life

Unofficial Answer: If properly cared (kept in a cool dark dry place) it should last two season, maybe more. Silver Nitrate is chemically stable and as long as protected from light has indefinite shelf life. If I'm not mistaken the issue is with the Chromate Indicator that degrades after 2 years.
 
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