how often should you backwash a pool filter

Author: Poolking - Swimming Pool Equipment Manufacturer

Introduction:

Having a swimming pool is a great way to relax, unwind, and cool off during hot summer months. However, maintaining a pool can be a daunting task, and it requires a lot of work. One of the most critical aspects of pool maintenance is cleaning the filter. Backwashing is an essential maintenance task that every pool owner should know about. In this article, we will discuss how often you should backwash your pool filter.

What is backwashing?

Before we dive into how often you should backwash your pool filter, let's first understand what backwashing is. Backwashing is the process of cleaning your pool filter by reversing the flow of water through it. The purpose of backwashing is to remove the debris and dirt that has built up in the filter over time. The water is then transported out of the filter system and eliminated from the pool.

Importance of Backwashing:

Backwashing is vital for maintaining the cleanliness and hygiene of your pool. If you don't clean your pool filter regularly, the dirt and debris that accumulate in it will clog the filter, affecting its efficiency. This, in turn, will reduce the water flow through the pump, which will strain the pool, making it harder to keep clean.

When to Backwash:

Now let us discuss how often you should backwash your pool filter. There's isn't any hard and fast rule for this. However, a general guideline is to backwash the filter when the pressure gauge shows an increase of between 10 to 15 pounds per square inch (psi) from the starting pressure. The starting pressure can be found on the filter itself, or you could inquire from the pool dealer or manufacturer. The interval between backwashing may vary depending on various factors such as the size of the pool, the filter type, and the usage. For example, a heavily used pool will require more frequent filter cleaning than a pool that isn't used often.

Types of Filters:

There are three common types of filters used in pools: sand filters, cartridge filters, and diatomaceous earth (DE) filters.

• Sand Filters: These are the most common filters for residential pools. They require backwashing every one to two weeks.

• Cartridge Filters: Cartridge filters require less maintenance and typically should be cleaned every month.

• DE Filters: DE filters are the most efficient type of filter and require less backwashing than sand filters. You may need to add DE powder every few weeks to keep the filter clean.

Points to consider:

Here're some additional points to consider when deciding if it's time to backwash your pool filter.

• The pool environment plays a significant role in the cleanliness of the filter. If your pool is surrounded by trees or bushes, it's likely to accumulate more debris than a pool that is free from any vegetation.

• Keep in mind that backwashing isn't the only maintenance task you need to perform. Regular filter cleaning, brushing the pool walls, and skimming are also necessary for pool maintenance.

• Check the filter manufacturer's instructions to ensure you're following proper maintenance guidelines.

Conclusion:

A clean pool filter is essential for a healthy, well-maintained pool. Depending on the filter type and pool usage, you should backwash your pool filter whenever the pressure gauge shows an increase of 10 to 15 psi from the starting pressure. Regular maintenance not only keeps the water looking clean but also helps extend the life of your pool filter. Remember to keep an eye on the pool environment and the manufacturer's instructions when planning your pool maintenance schedule.