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In the last decade, swimming pool filters have undergone changes. They have been upgraded as more people have private pools. Filters help to maintain the purity of the pool. Large and round shaped filters are available in three different types- Sand, Cartridge and Diatomaceous Earth (DE). But which is the most appropriate for which pool? There are different sizes and different brands to choose from.

Most users prefer sand filters as they have a record of removing nearly 40 % microns of the debris. Anything less than that is not possible to remove by any filter medium. The sand filter is also called as ‘bullet proof filter’. They can be cleaned weekly, during swimming season. The maintenance work is referred as ‘backwashing’. The clean water flows and the wastewater is dumped.

The sand filter, is supposed to remove any sand particles from reaching your pool and they are effective in stopping particles 20 to 100 microns in size to reach your swimming pool.

The diatomaceous earth filter is able to remove the most tiny of particulate present in any pool water. Made of a material with a consistency of fine powder, these filters are top of the line.

Depending on the region you live in and the water’s characteristics, you may require one type of filter or another. In all situations, DE filters provide you with the cleanest water possible, but they are also the most expensive swimming pool filters.