What is the difference between a pool pump and a pool filter?

Answered by Willian Lymon

When it comes to maintaining an in-ground pool, having a clear understanding of the different components is essential. One of the main components of a pool system is the pool pump, which is responsible for circulating the water in the pool. On the other hand, the pool filter is responsible for removing debris and contaminants from the water.

Let’s start by discussing the pool pump. The pump is designed to move the water from the pool through the filtration system, and then back into the pool. It essentially creates the necessary flow of water for the pool to function properly. Without a pump, the water in the pool would become stagnant and dirty.

The pump works by drawing water from the pool through an intake pipe, usually located at the bottom of the pool. It then pushes the water through the filter and back into the pool through the return jets. The pump itself is powered by an electric motor, which creates the necessary force to move the water.

Now, let’s move on to the pool filter. The filter is responsible for trapping and removing debris, dirt, and other contaminants from the water. It ensures that the water in the pool is clean and safe for swimming. There are different types of filters available for in-ground pools, including sand filters, cartridge filters, and diatomaceous earth (DE) filters.

Sand filters are the most common type of pool filter. They contain a bed of fine sand, which acts as a filtration medium. As the water passes through the sand, the debris and contaminants are trapped, while the clean water continues through the system. Over time, the sand becomes clogged with debris and needs to be backwashed to remove the trapped particles.

Cartridge filters, on the other hand, use a replaceable cartridge made of pleated fabric to filter the water. The debris is trapped in the cartridge, and when it becomes dirty, it can be removed and replaced with a clean one. Cartridge filters are known for their high filtration efficiency and low maintenance requirements.

DE filters are considered to be the most effective type of pool filter. They use a fine, powdery substance called diatomaceous earth as the filtration media. The DE powder coats a series of grids inside the filter, and as the water passes through, the debris is trapped. DE filters offer superior filtration, but they require more maintenance compared to other types of filters. The DE powder needs to be replenished periodically to ensure optimal filtration.

While the pool pump is responsible for circulating the water in the pool, the pool filter is responsible for removing debris and contaminants from the water. They work together to keep the pool water clean and safe for swimming. It’s important to regularly maintain and clean both the pump and the filter to ensure optimal performance and water quality in your in-ground pool.