what kind of sand goes in a pool filter

Author: Poolking - Swimming Pool Equipment Manufacturer

What Kind of Sand Goes in a Pool Filter?

Swimming pools provide a fun avenue for family and friends to enjoy and pass the time, especially during the summer. As any pool owner would know, keeping the pool clean and clear of debris is imperative in maintaining a safe and enjoyable swimming experience. This is where a pool filter comes in handy. A pool filter removes harmful particles from the water, including dirt, leaves, and algae. However, pool filters also need a specific type of sand to operate efficiently. In this article, we will explore the different types of sand that go in a pool filter and which is the most suitable for your pool.

What is a Pool Filter and How Does It Work?

Before delving into the various types of sand used in the pool filter, we will briefly explain what a pool filter is and its function. A pool filter is a device that is responsible for removing unwanted contaminants from the pool water. The three most common types of pool filters are sand filters, diatomaceous earth (DE) filters, and cartridge filters. Sand filters use sand to trap and remove particles from the pool water. These filters are affordable and straightforward to use, making them the most popular choice for residential pools.

Different Types of Sand for Pool Filters

Not all sand is suitable for use in pool filters. The sand used in pool filters needs to be clean, sharp, and have a particular grain size. Here are the most common types of sand used in pool filters.

#1. Silica Sand

Silica sand is the most widely used sand for pool filters. It is affordable, easy to find, and has a high melting point that makes it durable. Silica sand has a grain size of between 0.5 and 1mm, making it ideal for trapping particles in the 20-100 micron range. While it is an excellent option for most pools, it can develop clumps and channeling over time.

#2. Play Sand

Play sand is another popular choice for pool filters. It is made from finely ground sand that has been washed and screened to ensure that it is clean and ready for use. Play sand is inexpensive and easy to find, making it a go-to choice for homeowners. However, it has a smaller grain size than silica sand, making it less effective at filtering out smaller particles.

#3. Zeolite Sand

Zeolite sand is a natural mineral that is an excellent alternative to silica sand. It is made up of volcanic ash and is known for its exceptional filtering capabilities. Zeolite sand has a unique chemical composition that traps contaminants, reduces ammonia levels, and absorbs odors. It also has a longer lifespan than silica sand, making it a cost-effective option in the long run.

#4. Glass Sand

Glass sand is a newer type of sand that is becoming increasingly popular in pool filters. It is made from finely crushed recycled glass and is an eco-friendly alternative to traditional sand. Glass sand has a larger grain size than silica sand, making it effective at filtering out larger particles. It is also more durable than silica sand and does not clump or channel as quickly.

#5. Filter Sand Alternatives

Aside from the types of sand listed above, there are several other filter sand alternatives, such as filter glass, perlite, and diatomaceous earth. These options offer benefits such as better filtration and lower water consumption. However, they are generally more expensive than traditional sand and require more maintenance.

Conclusion

Choosing the right pool filter sand is critical in maintaining a clean and safe swimming environment. Silica sand is the most commonly used sand due to its affordability and availability. However, there are other options to consider, such as zeolite sand, glass sand, and filter sand alternatives that offer unique benefits to pool owners. At the end of the day, the choice comes down to personal preference, budget, and the size of the pool.