how to measure pool filter size

Author: PoolKing - Pool Sand Filter Manufacturers

As a pool owner, one of the essential tasks you should never forget is maintaining the pool's cleanliness. To do this, you need to have a pool filter that will keep the water clean and free from debris. However, choosing the right filter for your pool is not enough. You also need to know how to measure your pool filter size to ensure it can handle the water's volume and circulation properly.

In this article, we will guide you on how to measure your pool filter size so that you can choose the right filter to maintain your pool's cleanliness. We will also provide you with some essential tips on how to maximize your pool filter's efficiency.

1. Why measure pool filter size

The first question we need to answer is, why do we need to measure the pool filter size? The answer is simple - pool filter size determines how much water your filter can handle at any given time. If you choose a filter that is too small for your pool, it will not be able to handle the water volume, and your water quality will suffer. On the other hand, if you choose a filter that is too large, it will be costly to maintain, and it'll still not be efficient.

2. The different types of pool filters

Before we dive into how to measure your pool filter size, it's essential to understand the different types of pool filters available in the market. The three most common pool filters are sand filters, cartridge filters, and DE filters.

Sand filters are the most common type of pool filter. They work by passing the water through a bed of sand and removing the debris from the water. Cartridge filters work by passing the water through a filter made of pleated polyester material. DE filters use an earthy substance called diatomaceous earth to filter out debris from the water.

Each type of pool filter has different requirements for sizing, so it's essential to know how to measure them correctly.

3. Determine the pool's size

The first step in measuring your pool filter size is determining your pool's size. You need to know the pool's water volume to determine the appropriate filter size. To calculate your pool's water volume, you must take the measurements of the pool's length, width, and depth.

You can use the following formula to calculate your pool's water volume:

Water Volume = Length x Width x Depth x 7.5

For example, if your pool dimension is 16 feet by 32 feet and the average depth is 6 feet:

Water Volume = 16 x 32 x 6 x 7.5 = 23,040 gallons

4. Determine the flow rate

The second step is to determine your pool's flow rate, which is the amount of water that passes through the filter in one minute. The flow rate is usually measured in gallons per minute (GPM).

To determine the flow rate, you need to calculate the total turnover time. The turnover time is the amount of time it takes for the filter to process all the water in the pool. The typical turnover rate is eight hours, which means it takes eight hours for the pool's water to pass through the filter once.

Using the example above, a pool with a water volume of 23,040 gallons will have a turnover rate of:

23,040 / 8 = 2,880 GPM

5. Choose the appropriate filter size

Now that you know your pool's water volume and flow rate, you can choose the appropriate filter size. You need to choose a filter that can handle the pool's water volume and flow rate.

For example, if your pool has a water volume of 23,040 gallons and a flow rate of 2,880 GPM, you need a filter that can handle those capacities. Ideally, you should choose a filter that has a flow rate of 2,880 GPM or higher.

Conclusion

Choosing the right size pool filter is essential for maintaining the cleanliness of your pool. By following these simple steps to measure your pool filter size, you can make sure that you choose the right filter to handle your pool's volume and flow rate. Remember that a filter that is too small won't be able to handle the water's volume while a filter that is too large is costly to maintain. So be sure to choose the appropriate filter size for your pool to keep it clean and sparkling.