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High CYA levels in a swimming pool.

Posted on 2/23/18 at 9:11 pm
Posted by LSUTigersVCURams
Member since Jul 2014
21940 posts
Posted on 2/23/18 at 9:11 pm
So I just bought a new house and whoever was in it before me was chlorinating with the three inch pucks. My CYA levels are outrageously high, like 300ppm+. So what do I do? Do I have to drain the pool? How does one drain and refill a swimming pool?
Posted by Thib-a-doe Tiger
Member since Nov 2012
36806 posts
Posted on 2/23/18 at 9:13 pm to
Are ya looking to swim in February? Let it chill out for a while
Posted by northshorebamaman
Mackinac Island
Member since Jul 2009
38577 posts
Posted on 2/23/18 at 9:14 pm to
quote:

How does one drain and refill a swimming pool?

The drain and a hose?
Posted by CaptainJ47
Gonzales
Member since Nov 2007
7863 posts
Posted on 2/23/18 at 9:14 pm to
Bring a pool sample to a store and let them tell you
Posted by Huey Lewis
BR
Member since Oct 2013
5177 posts
Posted on 2/23/18 at 9:15 pm to
quote:

How does one drain and refill a swimming pool?


Drain with a water pump. Fill with a garden hose.
Posted by ThatMakesSense
Fort Lauderdale
Member since Aug 2015
15281 posts
Posted on 2/23/18 at 9:16 pm to
Urine dechlorinates. Throw a kegger and invite the new neighbors over.

You'll establish alcoholic dominance over the hood, while rectifying your excess chlorination.
Posted by S
RIP Wayde
Member since Jan 2007
173786 posts
Posted on 2/23/18 at 9:16 pm to
My pool guy says you need a good pump.
Posted by CajunSoldier225
Member since Aug 2011
8990 posts
Posted on 2/23/18 at 9:17 pm to
quote:

How does one drain and refill a swimming pool?


quote:

The drain and a hose?


Posted by lsu480
Downtown Scottsdale
Member since Oct 2007
92903 posts
Posted on 2/23/18 at 9:18 pm to
The sun will kill it in time
Posted by MeridianDog
Home on the range
Member since Nov 2010
14539 posts
Posted on 2/23/18 at 9:21 pm to
Take chlorine out and give it a week. It will drop down. Not as quickly if it is cold, but it will drop - maybe in 2-3 days.

The fact it will drop some every day is why you must keep adding chlorine tot he pool.

If you can find any sodium hypochlorite, (old Black and White print developing Fixitive) it will lower it very quickly. Chlorine Out for treating aquarium water when topping off your tank is sodium hypochlorite.
Posted by Drop4Loss
Birds Eye Of Deaf Valley
Member since Oct 2007
3967 posts
Posted on 2/23/18 at 9:21 pm to
Dont even know what CYA levels are

Ive had a saltwater pool for 12 years

Bag of salt say once every 2 months and im good

I dont do shite to it, yes 12 years. Just keep salt around 3000 PPM

Salt water chlorinator gone out twice $250 repair

Never ever added chlorine to it
Posted by Spankum
The Sip
Member since Jan 2007
63309 posts
Posted on 2/23/18 at 9:24 pm to
chlorine dissipates over time on its own...since you are not going to swim right now anyway, just monitor it so that it doesn't get too low or some funk will start growing in there.

fwiw, sounds like you could probably benefit from a class or something on pool maintenance.
Posted by mtcheral
BR
Member since Oct 2008
2132 posts
Posted on 2/23/18 at 10:03 pm to
Chlorine is not CYA. Chlorine will burn off quickly due to sun and dirty conditions as it works to clean. Cya is stabilizer and will last much longer than chlorine which is the reason why pucks suck. You have to constantly add chlorine but the cya builds up and makes the chlorine less effective. Easiest way to lower cya is the drain water and add fresh water. Can also wait for rain to eventually dilute but that can sometimes take a long time depending on conditions.
Posted by PrivatePublic
Member since Nov 2012
17848 posts
Posted on 2/23/18 at 10:16 pm to
300 ppm cya is absurd. Your chlorines level would have to be like 20 ppm to sanitize at that level. That will sanitize your equipment right out of existence.

Only way is going to be a full drain and refill. If you have a liner, sucks to be you.
Posted by Oilfieldbiology
Member since Nov 2016
42767 posts
Posted on 2/23/18 at 10:36 pm to
quote:

Take chlorine out and give it a week. It will drop down. Not as quickly if it is cold, but it will drop - maybe in 2-3 days. The fact it will drop some every day is why you must keep adding chlorine tot he pool. If you can find any sodium hypochlorite, (old Black and White print developing Fixitive) it will lower it very quickly. Chlorine Out for treating aquarium water when topping off your tank is sodium hypochlorite.


Sodium hypochlorite is fricking bleach. Adding this to your pool increases chlorine you tard
Posted by SJS101
Member since Oct 2007
2858 posts
Posted on 2/23/18 at 10:40 pm to
You can refill totally but then you have to bring CYA levels back up. Best thing to do is waste a few feet of water and refill then check levels. Repeat until you hit your desired CYA levels. And toss those pucks in the garbage
Posted by smoked hog
Arkansas
Member since Nov 2006
1895 posts
Posted on 2/23/18 at 10:41 pm to
Drain and refill. For those saying it will burn off, CYA is stabilizer. It will never burn off. You want 20-40 ppm and then use chlorinating liquid or the non stabalized pucks. I know it's a PITA but long term you will be glad you did
Posted by PrivatePublic
Member since Nov 2012
17848 posts
Posted on 2/23/18 at 10:50 pm to
quote:

You can refill totally but then you have to bring CYA levels back up. Best thing to do is waste a few feet of water and refill then check levels. Repeat until you hit your desired CYA levels. And toss those pucks in the garbage


Baw will spend more on water that way than the cyanuric needed to start from scratch.
Posted by ksayetiger
Centenary Gents
Member since Jul 2007
70472 posts
Posted on 2/23/18 at 10:51 pm to
God damn idiots.


Chlorine degrades on its own. Just give it time.
Posted by ksayetiger
Centenary Gents
Member since Jul 2007
70472 posts
Posted on 2/23/18 at 10:53 pm to
quote:

sodium hypochlorite. 




Most people call that bleach
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