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what type of sand goes in a pool filter


Poolking | Pool Sand Filter Manufacturers


Having a pool in your backyard is a perfect way to relax, unwind and cool off during the scorching summer months. However, to keep your pool in the best shape possible, you need to make sure that you regularly clean and maintain it. One of the vital aspects of pool maintenance is to keep the pool filter in good condition. The pool filter plays a crucial role in keeping your pool water clean and clear by removing dirt, debris, and other contaminants. In this article, we'll explore the different types of sand that are suitable for a pool filter.

Sub-Title 1: Why Do You Need Sand in a Pool Filter?

Pool filters are one of the essential pool equipment that you need to maintain the condition of the water in your swimming pool. They act as a barrier, trapping debris such as leaves, dirt, insects, and other foreign objects that find their way into the pool water. The filter keeps the pool water clear, clean, and safe for swimming by removing these contaminants. Sand filters are the most common type of pool filter used by pool owners; they are inexpensive to maintain and easy to install. Sand is the primary media used in pool filters, but not all sand is the same.

Sub-Title 2: Pool Filter Sand Types

Not all sand is suitable for pool filters. You need a specific type of sand that has been washed and graded to the right size to make the filtration process more efficient. The three main types of sand commonly used in pool filters include:

Silica Sand: This type of sand is the most commonly used media in pool filters. It's natural, cheap and has excellent filtration properties. It's made up of irregular-shaped silica sand grains that trap debris as water flows through the filter.

Zeolite Sand: This sand is an alternative to silica sand. It's similar to regular sand but is better at trapping small debris particles because of its porous surface. Additionally, it has the added benefit of removing ammonia and other harmful chemicals from the pool water.

Glass Sand: This sand is a new entrant in the pool filter market. It's made of "green glass," which is recycled glass that has been crushed and processed to make it ideal for pool filters. Glass filters are not only eco-friendly, but they also have excellent filtration properties and last longer than silica sand.

Sub-Title 3: Sand Size Matters

The size of sand grains used in a pool filter is an essential consideration. Sand grains are measured in millimeters, and to work correctly, they must be of a specific size. The size of the sand grains affects how the filter works, both regarding filtration ability and water flow rate.

The ideal size for pool filter sand is between 0.45mm and 0.55mm. This size range creates a good balance between efficient filtration and water flow. Using sand that is too small can lead to clogging, while very large sand grains can allow debris to pass through the filter.

Sub-Title 4: How to Replace Pool Filter Sand

If you're replacing your pool filter sand for the first time, you may be wondering how to go about it. The process is relatively simple and can be done DIY-style, but it does require some caution to ensure you don't damage the filter.

Here are the steps to replace your pool filter sand:

1. Turn off the pool pump and shut off the water supply to the filter.

2. Drain the filter tank by removing the drain plug and opening the air relief valve.

3. Remove the multiport valve or the filter lid carefully.

4. Scoop out the old filter sand, taking care not to damage the filter laterals.

5. Thoroughly wash the filter tank and laterals using a hose.

6. Add the new filter sand to the filter tank, ensuring that it's the right size and amount.

7. Reinstall the laterals and the multiport valve or lid.

8. Turn on the pool pump and backwash the filter according to the manufacturer's instructions.

Sub-Title 5: Conclusion

Selecting the right sand for your pool filter is crucial for maintaining clean and clear pool water. Remember, not all sand is the same, and using the wrong type can lead to clogging and poor filtration. Choose silica, zeolite, or glass sand, and ensure the sand grains are the correct size. Maintaining your pool filter by replacing the sand every three to five years is also essential. By following these tips, you can keep your pool filter in good condition and your pool water sparkling clean.


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