Virginia Swamp!

[TheGoose]

I was doing the same thing you are. Adding just enough bleach to not do any good.

I'm betting if you increase your bleach dose to 10-15 gallons instead of your normal 6 you'll see an immediate improvement. Right now you are just spinning your wheels.

I had to add TEN of the large jugs of Wal Mart brand Bleach before I turned the worm in my favor. After that it was pretty simple. I measured my FC at 50+ on the first day, but by day 2 it had fallen to 15 ppm. So the bleach was being used up.

[gremlin]

Goose - good idea - I'l kick it up a bit today

[Watermom]

Goose has a gunite pool. You can take a gunite pool up to high chlorine levels without much problem but it is not the same for a vinyl pool. I would not add 15 gallons of bleach to your pool. That would add about 36ppm of chlorine. Too high for a liner pool with a CYA of 50. Every gallon you add is going to add about 2.4ppm of chlorine. Use that as a reference. Also, read the Best Guess Chlorine Chart in my signature below.

[TheGoose]

Thanks for the clarification WM. I learn new stuff everyday.

I'm still betting that he needs to get the FC level up, he just may not be able to do it like I did. Might have to split the dosages up so you don't harm the pool.

[gremlin]

Well, I added 'more' bleach last evening than previously - a couple of hours after adding the bleach last night I was getting :

pH=7.6, FC=27ppm

this AM testing gave:

pH=7.2, FC=15ppm

Question! The best guess chart gives a 'SHOCK" level of 15ppm and a '+SHOCK+' level of 30ppm for CYA=30-50 (my CYA=50), so is a FC level between 15 and 30ppm OK as a target under 'swamp' conditions?

Pic of the pool this AM:



Thanks!

[Watermom]

If it were my vinyl pool, I probably wouldn't take the chlorine to 30ppm although it isn't gonna stay that high for long with all the gunk in the pool. Although your liner would probably be fine, I'd probably aim no higher than 20-25ppm.

Is it possible for you to test multiple times per day? If so, do that and each time, add enough bleach to take it back up. The more often you test and dose and the more consistently you keep the chlorine high, the faster the pool will clear.

Keep us posted how things are going.

[gremlin]

Ok, now testing more often...

9:00am FC=15ppm
11:00 am, I added 2.8 gallons 6% bleach

5:30pm FC=18.5ppm
added another 2 gallons 6% bleach