Normal CL loss?

[LBI salt pool]

Three days ago my FC was 5, CC 1, PH 7.8 and CYA 70. SWG set on 40%.
Since we were right in middle of long 4th July weekend I added enough liquid chlorine to raise to 10 ppm
Today, I’m at 5 ppm FC , CC .05 ppm , Ph 7.8 and CYA 70
Should i be concerned about loss of chlorine? I’m wanting to keep it between 8-10 like the chart says ( with CYA 70)
Should I raise % on salt generator or keep adding a bit of liquid chlorine every few days?
Thanks

 

[Texas Splash]

I’m wanting to keep it between 8-10 like the chart says ( with CYA 70)

Are you sure you're looking at the correct chart?

 

[LBI salt pool]

Thanks I stand corrected. 5-10 , but how do I maintain that range of 5-10? Raise my SWG % OR add liquid CL every few days? I know heat and useage eats the chlorine but I thought the SWG would accommodate for that

 

[PoolStored]

Use liquid chlorine to raise your FC into range. Cells have a hard time raising FC.

Once in range, turn up the %output and or pump runtime to maintain the FC target.

 

[Texas Splash]

but how do I maintain that range of 5-10? Raise my SWG % OR add liquid CL every few days?

For us salt owners, usually we increase the SWG output and/or pump run time. It varies. That is of course assuming the pool is 100% free or excessive organics that might be dragging the system down. If are ever in doubt, go right into an Overnight Chlorine Loss Test. Your CYA is high enough so that shouldn't be an issue.

 

[LBI salt pool]

But I lost approx 5 ppm in three days. Is that an issue?
I will add liquid now , test it in an hour and adjust my Swg
I assume increasing the % decreases the lifespan of the generator and increasing the run time only increase the electric bill? Best choice might be to leave gen at 40% and change run time from 9 to 12 hrs?

 

[Texas Splash]

But I lost approx 5 ppm in three days. Is that an issue?

A pool can loose up to 4 ppm in a day. Now it's true with the SWG it "should" maintain the desired level. If it doesn't you evaluate all the possibilities. If the FC continues to struggle, that's when the OCLT comes into play.

 

[LBI salt pool]

Hey brother….thanks for ALL of the help so far. I added 20 oz of 10% liquid chlorine….that raised me to 12 ppm. I increased run tim from 9 to 12 hrs and actually lowered the % from 40 to 30%. I hate to change more than one variable but I did it anyway. I’m heading to Florida for three days tomorrow….hope when I return everything is perfect.
I also used the TF 100 on my hot tub today…. CH was 100….i raised it to to 125. The bottle said “ perfect CH for hot tub is 100-200

 

[PoolStored]

But I lost approx 5 ppm in three days. Is that an issue?

If you lost 5 in three days, you need to increase the output by about 2ppm.

I’m heading to Florida for three days tomorrow

If you are leaving, I would increase your % output and your runtime, so it add 2ppm more than it did when you were running for 9 hours at 40%

Exactly which cell are you using (Model #)...your sig only shows "Hayward SWG"

 

[LBI salt pool]

Just back from Florida. Drained some water first.
FC 7ppm
CC .5
PH 8
How often do we really need to check CYA ? Last week it was 70
Aqua rite 15

 

[PoolStored]

I test every week in the hot of the summer, every two weeks outside Jun/July.

With a SWCG, I get an increase in FC demand when CYA goes to 60 from 70. That is a great indicator too.

Basic Pool Care Schedule

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[LBI salt pool]

I don’t expect my CYA to increase on its own do I?
What’s best way to increase CYa if I need to?
Best way to increase alkalinity if need to? Seems I’d need a ton of baking soda.
I put a bit of acid in pool now to knock PH down a bit
Thanks

 

[PoolStored]

I don’t expect my CYA to increase on its own do I?

With a SWG and no other chlorinating chemicals being added, no CYA will not increase. Will degrade about 5-10 per month in the summer.

What’s best way to increase CYa if I need to?

This is for large batches, same for small batches...you can use a sock.

How to add large batches of CYA

Hey Folks !!! With a large pool, I need 4lbs of CYA to only raise it 15, and I don't think I have that many socks without holes in them. So I use a Tshirt. Plus, I like that it's doubled up for redundancy. But it can also be scaled down with socks. So I measure out my dose and...

www.troublefreepool.com

Best way to increase alkalinity if need to? Seems I’d need a ton of baking soda.
I put a bit of acid in pool now to knock PH down a bit

ooooh...These two are at odds. Post a full set of results FC, CC, pH, TA, CH, CYA and we'll give you advice.

Thanks

 

[LBI salt pool]

I’m all good now but was wondering for the future since going to pool stores seems unacceptable here. Thought I should stock up on supplies. Right now all my levels are good. But where would I buy CYA if not a pool store?
I just added 20 ml of 31% acid and knocked PH down to 7.2.

 

[PoolStored]

With the use of baking soda and muriatic acid, you are fighting your self. Post a full set up results, and we can give you guidance on how to manage TA and pH. You are doing something wrong.

On the CYA front, just search for "Chlorine Stabilizer" You want dry granular Chlorine Stabilizer. Not liquid stabilizer.

 

[LBI salt pool]

CYA 80.

FC. 9 ppm.

PH. At least 9. Added little acid and 7.6 now

TA 80.

CH 250.

 

[PoolStored]

Great. Your TA is just fine. At this point, with TA of 80, your pH should stabilize between 7.8 and 8.0. I would not continue to drive pH down below 7.8. If you do you also lower TA.

You are in a great spot. Just allow pH to settle between 7.8 and 8. If it gets to 8, it might even settle there. If you do lower again, only lower to 7.8.

TA range is 60-80.

What Are My Ideal Pool Levels?

Use our tool to find ideal chemical levels for any swimming pool. Check TFP recommended levels on pH, free chlorine, cyanuric acid, and more.

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[mknauss]

But where would I buy CYA if not a pool store?

Walmart, Home Depot, Ocean States Job Lots, Amazon, etc

 

[alvindo]

I make sure to bump my swcg up to 50% anytime we have more than 2 people in the pool in full sun. That pretty much keeps me right.