If you have a pool, you probably already know that shocking it on a regular basis is important for maintaining clean, clear water. But what you might not know is when the best time to shock your pool actually is.
The below guide will help you understand when to shock your pool for the best results and to make sure your pool doesn’t turn green.
What Does Shocking Your Pool Mean?
Shocking your pool simply means adding a high concentration of chlorine to your pool in order to kill off any bacteria or algae.
It is typically recommended that you shock your pool on a weekly basis, but this can vary depending on how often you use your pool and the weather conditions.
When Should You Shock Your Pool
As a general rule of thumb, you shock your pool at least once a week or after heavy rain or thunderstorms. This will help keep your pool clean and clear and prevent any algae or bacteria from taking over.
If you just open your pool for the season, it is recommended that you shock your pool right away. This will help get rid of any bacteria or algae that might have formed over the winter.
After Heavy Use
If you have a lot of people over to use your pool, it is also a good idea to shock your pool. This will help get rid of any bacteria or germs that might have been brought into the pool.
When the Weather is Hot
If it has been particularly hot outside, you might want to consider shocking your pool more often. The heat can cause bacteria to grow more quickly, so shocking your pool will help keep it clean.
When the Water is Cloudy
If you notice that your pool water is starting to look cloudy, it is probably time to shock your pool. This will help clear up the water and make it look clean and clear again.
Pool still cloudy after shocking it? Check out this detailed guide.
Best Time of Day to Shock Your Pool
The best time of day to shock your pool is in the evening. This gives the chlorine time to work overnight and kill off any bacteria or algae. In the morning, you can brush the sides of the pool and vacuum any debris that might have settled on the bottom.
One of the biggest ways to waste a lot of money is by adding chlorine during the hottest part of the day. The sun will quickly evaporate any chlorine you add, so it is important to add it in the evening when the sun is not as strong.
To maximize the chlorine’s effectiveness, make sure to run your pool filter for at least 8 hours after shocking your pool. This will help circulate the chlorine and make sure it evenly distributes throughout the entire pool.
Yes, this means running your pool pump when you typically wouldn’t. One tip to help automatically have the pump and filter shut off while you’re sleeping is to invest in a pool timer. This will allow you to set it and forget it, so you don’t have to worry about the pump running all night long.
Frequently Asked Questions
Is it okay to shock your pool during the day?
While it’s okay to shock your pool during the day, you should keep in mind that direct sunlight will quickly evaporate any chlorine you add. This means that you won’t get the full effect of the shock and your pool might not be as clean as you would like.
It is best to shock your pool in the evening or at night so that the chlorine has time to work overnight. This is also a great strategy because you typically aren’t swimming in the middle of the night. And it is recommended that you don’t swim for at least 8 hours after shocking your pool.
Is shock and chlorine the same thing?
No, shock and chlorine are not the same thing. Chlorine is a chemical compound that is commonly used as a sanitizing agent in pools and other bodies of water. It kills bacteria and other microorganisms that can cause illness and contribute to the growth of algae.
On the other hand, “shocking” a pool refers to adding a large amount of chlorine or other sanitizing agent to the pool water to raise the chlorine level and eliminate any bacteria, algae, and other contaminants that may be present. It’s a process of super chlorination. This process is done to quickly raise the chlorine level in the pool to a level that can kill off any bacteria, algae, or other contaminants that may be present in the water. The shock product used for this process is a concentrated form of chlorine or other sanitizing agents like hydrogen peroxide, potassium monopersulfate, or sodium percarbonate.
Can I swim after pool shock?
You should wait 24 hours after adding shock to a pool before swimming. This is because the shock needs time to circulate and work effectively.
Additionally, if you use chlorine-based shock, you should wait until the chlorine level in the water has returned to a safe level before swimming. The chlorine level should be between 1-3 ppm (parts per million) for the pool to be considered safe to swim.
It is also important to test the pH level of the water after adding shock. It should be between 7.2-7.8. You can use a pool test strip or a digital pool tester to measure the pH and chlorine levels. If the levels are not in the safe range, you should wait until they have stabilized before swimming.
About the Author
Stefan Schulz is the founder and owner of PV Pool Cleaner. He spent his college years working at Niagara Pools and Spas, one of the largest Swimming Pool and Hot Tub Dealers in the Eastern United States.
Today, he utilizes his background, experience as a pool owner, and the resources of his digital marketing agency, Orpical Group, to generate informative and engaging content for pool owners everywhere.