New pool build

[red-beard]

CC is in Danger level. You need to start a SLAM - Shock Level and Maintain.

SLAM - Shock Level and Maintain

We’ve all had to deal with a green pool. Clear algae from your pool with a SLAM! Read here to use shock level and maintain to clear your pool.

www.troublefreepool.com

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[red-beard]

Your pH level is great for a SLAM. And the lower CYA level is also great for a SLAM

The Free Chlorine and Cyanuric Acid Relationship

Managing your cyanuric acid and Free Chlorine levels is key to stabilizing your pool. Learn how these two items affect each other.

www.troublefreepool.com

For 25 CYA, round UP to 30. You will need quite a bit of Liquid Chlorine. You need to SLAM until you meet the three criteria

1. Pool is clear, no visible Algae
2. Pass OCLT (Overnight Chlorine Loss Test)
3. CC less than 0.5

If the only thing is #3, the SLAM is very quick.

 

[Mega980]

The pool water is clear. So basically focus on getting the cc less then 0.5.? Will testing 2 x a day be enough for the slam level? Then keep it at the slam level till the cc comes down? Am I understanding this correctly?

 

[Mega980]

The pool water is clear. So basically focus on getting the cc less then 0.5.? Will testing 2 x a day be enough for the slam level? Then keep it at the slam level till the cc comes down? Am I understanding this correctly?

Sorry and do the over night test first?

 

[red-beard]

Shocking was the method for clearing CC. SLAM just takes it a bit further so that you assure the pool is algae and bacteria free and TFP "clear"

I expect it will be OK, twice a day.

 

[red-beard]

Get the level up as soon as possible. Then check it again after the sun is down and bring the level back up to SLAM level. Check it again an hour later just to make sure. Then check before sun hits the pool in the morning.

Do not worry about pH. Just FC & CC.

 

[red-beard]

OH, and run the pump 24 hours a day until all three pass. Again, if the CC is the only issue, I expect you'll be fine by tomorrow morning.

 

[red-beard]

SLAMming the pool is not a "regular" thing. Once you're done, you just maintain the FC numbers on the CYA/FC chart and your pool should stay crystal clear. The time people SLAM is generally when they've been away and the neighbor forgot to add chlorine, or the Salt Water chlorine Generator breaks, etc. At the FC levels we run, CC generally doesn't become an issue.