Time to replace sand?

[Watermom]

But...... if you still have a CC reading greater than 0.5, you still have to maintain the high cl. Sorry to have to tell you that. Since your FC didn't drop much during that time period, I'm hoping the CC reading may be is just testing error.

[jonno]

This morning the FC was 19ppm, down from 27ppm from 12 hours before. Also the CC was 1.0 so I'm still on the program. Added 1.3 gallons of 12.5% bleach to bring it back to 25 ppm.

I have someone to check it every two hours today and keep it at 25 and will see how it looks tomorrow. The water is quite clear - not crystal yet, but I can see the seams in the vinyl even in the deep end. I feel like this is home stretch and I'm not going to rush it. Thanks!

[Watermom]

I feel like this is home stretch and I'm not going to rush it. Thanks!

That's right. Don't rush it. Sometimes this is the point where people mess up. They get so tired of messing with it and it looks good so they think that they are finished and quit too soon. And, guess what? It's only a matter of a couple of days and they are right back where they started and ready to cry.

Hang in there. You're almost there!

[jonno]

Thanks for the encouraging words, they really help. I'll keep the FC at 25ppm until it holds within 1ppm overnight and the CC is no more than 0.5.

I've been keeping everyone out of the pool and will do so until this is done, but when I looked at the Best Guess chart, it looks like a quick dip might be okay and the high FC would pose no danger to the swimmer (although designer swim suits and dyed hair might lighten). However, I don't know if the pH and TA levels need to be considered. Several days ago, when I last measured pH (before I was keeping the FC so high) it was 7.2 and the TA was 170.

Watermom - What do you or the other experts think - stay out of the pool or allow a quick dip? (Of course, I would be sure an hour or so had passed since the last bleach addition).

So far today the readings are:
7:30a FC 19.0 (added bleach), CC 1.0
10a FC 25.0
Noon FC 21.5 (added bleach)
4p FC 23.5 (added bleach), CC between 0.5 and 1.0

I'll test again when I get home and post the overnight numbers.

[Watermom]

Maybe a quick dip before the next dose of bleach with an old swimsuit that you don't care if it fades. The TA and pH readings won't hurt anything.

EDIT -- Not an expert by any stretch of the imagination!

[jonno]

This morning's numbers showed that the FC dropped 3.5 overnight (from 26.0 to 22.5) and the CC was 2.5. This means I need to stay in the shock phase and continue testing every two hours to keep the FC at 25. I added .7 gallons this morning. Water clarity is almost sparkling - I can't believe it's the same pool. Almost there...

[CarlD]

Don't give up now! CYA still over 100ppm?
When the FC is down, since the CC is below 1, a quick dip in an old suit shouldn't hurt.
What is your pH? (I realize it will appear elevated).

Carl