Test after opening salt pool

It is best to always run the SWCG while the pump is on.
some like to run 24 hrs and produce a little chlorine at a time throughout the 24 period
Others may run the pump for 10 hrs (example only) but the SWCG is on the full time the pump is on.

If you have Pool Math app, go to top left (hamburger menu) and select Effects of Adding. Ensure the pool volume is accurate, then select your SWCG model. Pick either pump run time or % output or desired FC to be calculated and put data in for 2 of the 3 which solves for the 3rd.
Thanks! I set the t cel at 5 but i could do 3, output at 30 is about 1 a day.i’ll monitor and see. I think i screwed up FC test yesterday. But i am now clearer on swcg lol
 
Thanks! I set the t cel at 5 but i could do 3, output at 30 is about 1 a day.i’ll monitor and see. I think i screwed up FC test yesterday. But i am now clearer on swcg lol
I used your pool data of 11k gal and T-9 cell. If pump run time is 12 hrs and SWCG set at 30% output, the FC generated is 1.6ppm over that 12 hr time frame. That may be fine for this time of year in your area. If you only want to make 1ppm of FC with SWCG set at 30% then the pump run time is 7.5 hrs. You should test every 2nd day as a minimum.
Post a full set of test data.
 
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FC 6.5
CC 0.5 ish
TA 50/60
Ph 7.8
Salt 2400/2600
Based on all charts pretty good level i think. Cya have not test but assume stay at 40
Thanks
 
FC 6.5
CC 0.5 ish
TA 50/60
Ph 7.8
Salt 2400/2600
Based on all charts pretty good level i think. Cya have not test but assume stay at 40
Thanks
Looks great. If your salt test is with drop method then it may be a little low for your SWCG. Most SWCG range from 2800 to 3800 depending on model, make. Your SWCG may be reading a higher level of salt which is fine - but it is best to monitor salt using the drop test as compared to the SWCG reading or use of salt strips.
A 40 lb bag will raise salt level by 435ppm.
 
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Looks great. If your salt test is with drop method then it may be a little low for your SWCG. Most SWCG range from 2800 to 3800 depending on model, make. Your SWCG may be reading a higher level of salt which is fine - but it is best to monitor salt using the drop test as compared to the SWCG reading or use of salt strips.
A 40 lb bag will raise salt level by 435ppm.
I find it so difficult to precisely measure salt….i use drops and follow instructions but find it difficult to judge exactly when the color turns from brick to red. I find that it turns redish right away and does not go thru salmon-brick color. Also, i learned not to trust the swcg reading (it says 3200…) and also pool store results. They use the machine to test salt level and i went the other day they said 2800…not sure if i should just dump in 40lbs to be sure or not. I opened the pool on may 1 and half pool was rain water and have not added any salt at all this year….thoughts?
 
40 lbs would put your reading close to 3000 and the pool store a little over 3000, while the cell was still under 4000. Everybody wins. Its not going to go up on its own and the spring has been awfuly wet so far so it'll probably continue to drop more than normal.
I find it so difficult to precisely measure salt
Sounds like youre not using a smart stir. It really makes a difference for salt.
 
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40 lbs would put your reading close to 3000 and the pool store a little over 3000, while the cell was still under 4000. Everybody wins. Its not going to go up on its own and the spring has been awfuly wet so far so it'll probably continue to drop more than normal.

Sounds like youre not using a smart stir. It really makes a difference for salt.
I use the smart stir from the pro kit i bought thru this forum :)
Ok i’ll dump in a 40lbs bag then…
 
I use the smart stir from the pro kit i bought thru this forum
OK sweet. I often wonder how tricky it would be by hand as most drops flicker it red. But I wait a 1/2 second and it keeps going back to yellow-y milk. Then, BOOM. There's no mistaking that one. Lol.
 
Quick update, all levels looks really good. Salt test gives me 2800 so i may dump in another 40 lbs bag…Fc stay consistent at 7ish and swcg is set at 40. Not touching anything for now.
How often you guys suggest to clean swcg cell? I saw a tutorial on youtube it seems pretty easy to do. What is the name of the wrench used to unscrew? I need to buy one of those.
Any other suggestion is welcome. thanks so much, thanks to this forum my pool has never been better….
 

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Check it once a month. If it is clean, then check every other month...until you know if it gets necessary.

Turn on Track CSI and Track Temp in pool math. Also enable sharing with TFP.

Keep your CSI between -.3 and 0 and you should stay clean.
 
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Check it once a month. If it is clean, then check every other month...until you know if it gets necessary.

Turn on Track CSI and Track Temp in pool math. Also enable sharing with TFP.

Keep your CSI between -.3 and 0 and you should stay clean.
I enabled sharing hopefully did it right…although calcium is only 60, csi is -1.14 according to pool math so i guess cells should be checked monthly…?
 
You wont ever scale based on your parameters and location. But you still need to prove that, so check it at a month and when there is no toothpaste like build up, go to 3 months. When there is no buildup at the end of the season, check it mid season the next couple years. Then LOL about it on years 4+ so long as the #s stay reasonably the same. If you end up with 300 CH for some reason, start over checking it.

The plates are a dull grey. They aren't supposed to be shiny. I thought the dullness was the reason I needed to clean them (every 3 months per the cell and PB) until I learned better, because i never had buildup.
 
Thank you all. I set the swcg at 10 and will check FC tomorrow. Question thought, do you run the swcg always or you switch it off here and there? I have the pool math but not the salt function. I just wonder if swcg meant to be always on or not

Jumping back to this item, to make it clear:
The settings on the SWCG are not "strength" directly. They are % of time while getting power that the cell will run. So if the setting is 50%, the cell will switch itself on 50% of the time, and off 50% of the time. The actual frequency of how often it does the 50/50 depends on the manufacturer. One could sit in front of it and see how frequently the generate lights come on/go off to get an idea. But for most of us, just letting the cell do its thing is good enough. Overall, the effect of it being "strength" is the same, over time. No need to finely manage the SWCG on/off time seperately - just have it get power when the pump is running, and not get power when the pump is off. Then use the % setting on the box to get the desired result for the pump run time.
 
Good day guys. This afternoon i opened the swcg cell as the check cell light flashed. It was clean as a whistle, i just hosed it a bit but honestly looked great inside. I guess i will check again in a couple of month and monitor the FC level….
The only thing whomever installed it did it in a way that it is hard to remove completely as the cable is very long and they plastic tied it. Looks great but to remove the cell i should cut all the plastic ties….painful. So i hosed it in position.
 
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The only thing i am noticing are some light yellow spots on vynil, i tried to brush hard but nothing comes out. Vynil is about 6 years old maybe. All levels are great and pool has never been this clear so i really dont know what could be. It bothers me but is not very noticeable.. .
 

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