25kg Swimming Pool Filter Sand 0.6 to 1.2 mm Grade Silica Sand is the recommended grade to be used in swimming pool filters. Swimming Pool Filter Sand Recommended Size in Dhaka Bangladesh.
Swimming pool filter media these should be of the best quality. OSMOSIA is one such company that supplies best quality swimming pool water filter silica sand. We recommend you change the sand in your swimming pool filter every 3-4 years; this will increase your water quality and reduce chemical usage.
However, it’s important to select quality silica sand that is properly washed and graded for pool filtration. Industry best practice is to use 20 microns Silica Sand which is greater than 95% silica and guarantees an effective grain size of 0.6 to 1.2 millimeters, trapping particles with diameters between 20 microns and 80 microns (the human eye can see down to 50 or 60 microns). This gradation ensures that when water is pulled into the filter via a pool pump, contaminants like dirt, oil and debris will get trapped in minute spaces between sand grains. Only clean water flows back to the pool. Filter Media Silica sand is determined based on the water and environmental conditions of swimming pools in Bangladesh.
The wrong type of sand can destroy filtration systems. Regular/brown sands contain impurities (greater than 5% non-silica minerals) that could contaminate your pool water. Additionally, the wrong gradation (too fine, too coarse, or too uniform) will not effectively trap debris and will end up in your pool.
Proper maintenance is important to optimize the life of filtration media and ensure crystal clear pool water. Backwashing your pool filter system at least once a month, and any time the PSI increases to >8-10 lbs over normal baseline, will help extend the life of your filtration sand by preventing contaminant buildup. Regardless, it is recommended to completely replace your filtration sand every 3 to 5 years, as water and contaminants eventually wear down the size and roughness of the sand surface.
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