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Gravel & Silica sand

Silica sand and gravel are two common filter media used in pool filtration systems. Some filters may be designed to use only silica sand, while other filters may require silica gravel or a combination of both.

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Showing 1-2 of 2 item(s)

Sand and Silica Gravel Characteristics

The characteristics of silica sand and silica gravel used in swimming pool filtration systems are detailed below

Silica sand

  • It is made up of small silica particles that are processed for use in sand filters.
  • It has a smooth and uniform surface that allows for uniform water flow and greater filtration efficiency.
  • It is resistant to temperature changes and chemicals used in pool systems.
  • It is durable and can last several years before requiring replacement.
  • It is recommended to change the silica sand once a year or every two years to maintain the effectiveness of the filter.

Silicic gravel

  • It is composed of silica stones larger than silica sand.
  • It is more porous than silica sand, meaning it can trap larger particles at the bottom of the filter.
  • Helps prevent compaction of silica sand in the filter.
  • Increases the durability of the filter and protects against abrasion from silica sand.
  • It is a durable filter media and can last several years before requiring replacement.
  • It is recommended to change the silica gravel once every five years to maintain the effectiveness of the filter.

These filter media are recommended for filters:

Volcano Filter

ALASKA Laminated Filter