what are pool filters made of

Author: Poolking - Swimming Pool Equipment Manufacturer

Swimming pools are a great way to relax and get refreshed during the hot summer months. However, maintaining a clean and clear pool can be a challenge. This is where pool filters come in handy. But have you ever wondered what pool filters are made of? In this article, we will discuss the different materials used in pool filters.

1. Introduction to pool filters

Pool filters play a crucial role in keeping your swimming pool clean and healthy. They remove dirt, debris, and other contaminants from the water, making it safe for swimmers. There are three main types of pool filters: sand, cartridge, and diatomaceous earth (DE) filters.

2. Sand filters

Sand filters are the most common type of pool filters. They work by passing water through a bed of sand, which traps dirt and debris. The sand particles range from 0.45 to 0.55 millimeters in diameter and are specially graded to ensure maximum filtration. Sand filters are made of durable plastic or fiberglass and are designed to withstand high pressure.

3. Cartridge filters

Cartridge filters are another type of pool filter. They consist of a cylindrical cartridge, made of pleated polyester, which traps dirt and debris. Cartridge filters have a larger surface area than sand filters, which allows them to capture more contaminants. They are made of strong plastic or fiberglass and are designed to last for several years.

4. DE filters

Diatomaceous earth filters are the most efficient type of pool filters. They use a fine powder made of fossilized algae, known as diatomaceous earth, to trap dirt and debris. DE filters have a complex design, with grids that hold the DE powder in place. They are made of sturdy plastic or fiberglass and require periodic cleaning.

5. Other materials used in pool filters

Apart from sand, polyester, and diatomaceous earth, pool filters may also use other materials in their construction. These include PVC (polyvinyl chloride), which is used to make the piping and valves, and metal components like stainless steel, which provide structural support. Some pool filters also use ceramics, which are known for their durability and resistance to harsh chemicals.

In conclusion, pool filters are a vital part of a swimming pool's filtration system. They come in different types and are made of various materials, including plastic, fiberglass, sand, polyester, diatomaceous earth, PVC, and stainless steel. Understanding the different materials used in pool filters can help you make an informed decision when choosing a filter for your pool.