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River Sands filter sand is sourced from multiple locations to ensure consistent ideal angularity, size, spherity and hardness for the most efficient filtering of water.
Testing over a number of years has also proven that River Sands filter sand has a slow breakdown rate (thus ensuring a longer filtration life) as well as excellent backwashing characteristics, particularly when used in dual media filtration with filter coal.
All of River Sands filter sand is processed through a state of the art manufacturing plant for triple washing and pre-sizing. The filter sand is then dried and sized to your specifications by sending it over a series of vibrating screens with effective sizes and uniformity coefficients guaranteed.
They are typically packed in 20kg bags, or 1 metric ton bulk bags. Other than the standard sizes, we are also able to cater to specific custom sized requirements.