how to change out pool filter sand

Author: Poolking - Swimming Pool Equipment Manufacturer

How to Change Out Pool Filter Sand

If you own a pool, one of the most important things you need to do is to maintain its cleanliness. A clean pool means a healthy pool, and one of the key factors to achieving this is by having a good filtration system. One of the most commonly used filtration systems for pools is a sand filter. A sand filter works by filtering out the impurities in the water through layers of sand, charcoal, and gravel. Over time, the sand can become clogged with debris, reducing its effectiveness. To maintain the efficiency of your pool's filtration system, you need to change out the sand on a regular basis. Here's how to do it.

What You Will Need

Before you get started, make sure you have these tools and materials:

- Filter sand

- Filter cleaner or chemical filter cleaner

- Screwdriver

- Adjustable wrench

- Garden hose

- Bucket

- Shop vac

Step 1: Turn off the Pump

Before you do anything, always turn off the power supply to the pool pump. This is crucial to avoid any accidents and ensure your safety.

Step 2: Drain the System

Next, you need to drain the pool filter system of water. To do this, turn off the pool pump and the valves that control the flow of water. Then, remove the drain plug and drain the water out of the tank.

Step 3: Remove the Old Sand

Once the water is drained, you can remove the tank's top cover, which is usually held in place by several screws. Once you've removed the cover and exposed the sand filter, set up a shop vac to the waste port so you can vacuum out as much of the old sand as possible. You can use a garden hose to help break up any clumps of sand. Once you've removed as much sand as possible, use an adjustable wrench to loosen the bolts that secure the tank.

Step 4: Clean the Filter

Once you've removed the old sand, it's time to clean the filter. Use a filter cleaner or chemical filter cleaner to clean the tank and remove any debris or buildup that may be left behind. Be sure to follow the manufacturer's instructions for the product you're using.

Step 5: Add New Sand

When the tank is cleaned and dried, it's time to add the new sand. Be sure to follow the manufacturer's instructions for the proper amount of sand to add. Generally, a sand filter should be filled with sand to about two thirds capacity.

Step 6: Reassemble the Filter

Once you've added the new sand, it's time to reassemble the filter. Before you do so, check the gasket or O-ring around the tank opening to ensure it's in good shape. Replace if necessary. Then, replace the tank cover and secure it with the screws.

Step 7: Refill and Test the System

With everything back in place, it's time to refill the pool filter system with water. Make sure all the valves are closed except for the one that allows water to flow into the filter. Turn the pump back on and allow the filter system to fully prime. Once it's primed, open the other valves and let the system run for a few minutes. Be sure to check for any leaks.

Step 8: Maintenance

Now that you've successfully changed out the pool filter sand, it's important to remember to maintain your filtration system. Regularly check and clean the filter, and ensure that the water chemistry is balanced. This will help to ensure your pool remains clean and healthy for you and your family.

In Conclusion

Changing out pool filter sand is an important part of maintaining a clean and healthy pool. With the right tools and materials, the process doesn't have to be difficult. However, if you're not comfortable with doing the job yourself, you may want to consider hiring a professional pool service. Remember that a clean pool means a healthy pool, so make sure your filtration system is working at its best.