Tue. Jun 18th, 2024

How to Shock a Pool

By Jayden Maverick Apr 28, 2023

To effectively shock your pool, you should aim to increase the free chlorine level to around ten times the amount of chloramines present. This will help to break up the harmful bonds and restore the pool’s cleanliness. Before diving into the steps of shocking your pool, make sure you have the necessary supplies.

Step 1: Examine the Pool Water

In order to shock your pool, you must first test the water and determine its current ratio. To determine the free chlorine (FC) and total chlorine (TC) levels in the pool, keep an eye on the pH level. You can calculate the individually combined chlorine (CC) level by subtracting FC from TC. This will enable you to calculate the quantity of chlorine to add to the pool.

Step 2: Determine the Required Amount of Shock

The next phase includes figuring out how much shock is necessary. Use an internet pool calculator or the directions on the shock box to figure out how much water is in your pool. The required level of shock can then be determined using a pool shock calculator. To dissolve the shock, it’s crucial to combine it with water in a bucket.

Step 3: Verify the functionality of the pump

Make sure the pool pump and filter are operating at their peak efficiency after determining the shock amount. This will aid in distributing the pool’s shock mix evenly.

Step 4: Add the Shock to the Pool

Pour the pool shock solution onto the water’s outer borders once the pool pump has been verified to be functioning properly. After dropping the pool shock into the water, let the pump run for a minimum of six hours. Grab a beverage and relax for a while!

Step 5: Verify Optimal Chlorine Levels by Retesting the Water

After six or more hours, retest the water to ensure that the chlorine and other pool chemicals have reached the appropriate levels. The free chlorine concentration should be ten times higher than the total chlorine concentration. If you are still encountering issues with proper chlorine levels, you may need to perform a SLAM on your pool.

What is a pool shock? What kind exist?

Regular pool care must include shocking the pool. You essentially add extra chlorine (or non-chlorine chemicals) to your pool when you shock it in order to raise the free chlorine level. If your free chlorine levels are too low, bacteria, algae, and chloramines start to overtake your pool and make it filthy. Regular pool shocks can guarantee that you have the right level of chlorine to keep your family and pool safe.

When chlorine and nitrogen in oils, perspiration, urine, and other human fluids interact, the result is the distinctive chlorine smell associated with swimming pools.

Pool Shock Tips

It is essential that you take the required safety measures because you will frequently come into touch with dangerous chemicals when maintaining your pool. To ensure correct storage, check the labels on any shock-producing products. Chemical burns to the skin and eye injury can result from pool shock. Therefore, it is crucial to wear safety gear when handling chemicals. You must wear long sleeves and slacks as well as safety glasses and gloves to prevent skin contact.

Related: How to plaster a pool


In conclusion, shocking a pool is an essential maintenance task that helps to keep the pool water clear and free of contaminants. By following the steps outlined in this guide, you can ensure that your pool remains in top condition and is safe for swimming.

By Jayden Maverick

Jayden is a lead reviewer and photographer at Premium Automotive. He has a degree in automotive journalism from Auburn University and over 10 years of experience as a freelance automotive writer and photographer. Jayden especially enjoys reviewing muscle cars, exotic supercars, and high-end luxury SUVs. His dynamic photography captures the beauty, power, and performance of automobiles. In his free time, Jayden races stock cars at various tracks across the country.

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