can you use paver sand in a pool filter


Can You Use Paver Sand in a Pool Filter?

Paver sand is a type of sand used commonly to make concrete blocks and pavers for patios, walkways, and driveways. It is specially designed to fit interlocking brick patterns and has different qualities from regular sand. Pool filters, on the other hand, use a different type of sand called filter sand to sanitize the pool water. But is it possible to use paver sand in a pool filter? Let’s find out.

Understanding Pool Filters

Before we tackle the question whether paver sand is suitable for pool filters or not, let’s have a quick overview of the three types of pool filters available in the market.

1. Sand Filters

Sand filters are the most popular type of pool filters. As the name suggests, they use filter sand as the filtering medium. The sand traps the debris and contaminants, and the clean water flows back into the pool.

2. Cartridge Filters

Cartridge filters use paper-based or polyester-based cartridges as the filtering medium. The cartridges can trap microscopic particles like bacteria and algae, making them an ideal choice for people who prefer clearer and cleaner water.

3. Diatomaceous Earth (DE) Filters

DE filters use the fossilized remains of diatoms, a type of algae, as the filter medium. The DE powder has microscopic sharp edges that can trap even the smallest particles, making DE filters the most efficient type of pool filter.

Can Paver Sand Be Used in a Pool Filter?

The answer is no. While paver sand and filter sand may look similar, they’re not interchangeable. The main difference between them lies in the particle size and the shape.

Paver sand is designed to fit the gaps between pavers and has a finer texture and smoother edges than filter sand. Filter sand, on the other hand, has a coarser texture and sharper edges, which make it more effective at trapping debris and contaminants.

If you use paver sand in a pool filter, it will not function correctly. The fine particles will not trap the debris effectively, and the water will remain dirty and cloudy. It can also damage the filter and other pool equipment.

How to Choose the Right Pool Filter Sand?

If you’re not sure which filter sand to use, here are some points to keep in mind:

1. Consult the Manufacturer

Different brands of pool filters have different requirements when it comes to filter sand. Consult the manufacturer’s recommendations to know which sand works best for your filter.

2. Choose the Right Grade

Filter sand comes in different grades, ranging from 20-40 to 50-100. The higher the number, the finer the sand. However, finer sand can clog the filter faster, reducing its efficiency. Choose a grade that suits your pool’s needs and filter’s requirements.

3. Consider the Filter’s Size

The size of your pool filter will also determine the amount of sand you need. Larger filters require more sand, while smaller filters need less. Consult the manufacturer's specifications to find out the appropriate amount of sand for your filter.

4. Keep the Sand Clean

Over time, the sand in the filter can become dirty and clogged. Regular cleaning and backwashing can prevent this and ensure the filter operates efficiently.


In conclusion, paver sand is not suitable for pool filters. While it may look similar to filter sand, it has different properties that can affect the filter’s efficiency and damage the pool equipment. Choosing the right type and grade of filter sand is crucial in maintaining a clean and healthy pool. Consult the manufacturer’s recommendations and keep the sand clean for optimal performance.


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