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How Soon After Treating My Pool Can I Use It?

  Oct 28, 2016 / by Aaron Steele


How Soon After Treating My Pool Can I Use It?

Caring for your swimming pool requires the addition of various chemicals periodically to keep the water clean and free of bacteria and other organisms. This includes substances that:

       ● Balance alkalinity
       ● Increase pH level
       ● Decrease pH level
       ● Balance calcium
       ● Stabilize the water
       ● Clarify the water

While these chemicals are not, of course, toxic at the appropriate levels, it is still a good idea to wait for a period of time after they are added before getting back into the pool. For those listed above, you should wait until the chemicals are dispersed and dissolved. This can happen in as little as 15-20 minutes, but waiting an hour will ensure that the water is safe. 

Ideally you should treat your pool when it is not in use. If that’s not possible, finding a natural break in the action (lunchtime, for example), can prevent the temptation to get back into the pool before the chemicals have been diluted.


A Different Standard for Super-chlorination

Super-chlorinating or “shocking” your pool water is a process in which large amounts of chlorine are added to the water to give the existing chlorine load a boost. Chlorine can bind with ammonia (from sweat, saliva, windblown lawn fertilizer, etc.) to form chloramines, which are ineffective at killing bacteria, necessitating this type of treatment.

Shocking is best done in the evening to prevent extra chlorine from evaporating in the sun. At that point, swimmers should not be allowed into the pool until the next day — and only then if the pool’s chlorine has returned to the appropriate level. 



Adult Supervision Recommended

One of the challenges in keeping children and teenagers out of the pool for the appropriate period is that once the chemicals have been added, they can’t be seen — even if they are not yet fully dissolved — so they appear to be “gone.” For that reason, it is best if an adult remains in the area and gives the green light when enough time has elapsed.


Happy to Serve as Your Pool Information Resource

Our website, with the wealth of content it contains, is a great resource if you have questions about owning or maintaining a pool. Our team is also happy to answer your questions. Don’t hesitate to reach out if we can help or consult your local dealer to see what may be best suited for your specific pool.



Topics: Pool Maintenance, Pool Safety, In-Ground Pools

Aaron Steele

Written by Aaron Steele

Aaron is the Digital Marketing Manager for Latham Pool Products. Prior to realizing his dream of working in the swimming pool industry, he spent many years in the software and advertising world as a pixel pusher and script junkie. Aaron is an avid guitar player, weekend novelist, in-home libation manufacturer (aka. Homebrewer) and travel enthusiast. He has lived in exotic locations, climbed Mt. Fuji, swam in the open ocean with sharks, backpacked across Europe, skied the Swiss Alps, dined with the Dalai Lama, survived in a far east jungle for a week with nothing but a poncho and a machete and is currently learning to play the Didgeridoo. All true.