This filter sand can be used as an alternative for sand filters. It also helps to get the pool ready for a good swim in the summer! Efficient filtration: This pool filter sand has a grain size of 0.71 – 1.25 mm and helps filter out dust, algae, oils, leaves and other debris to keep your water clean and clear.Safe and odourless: The swimming pool filter sand is safe, odourless and chemically inert. It will not stain or corrode filter equipment.Even flow rate: This filter media is carefully screened for even flow with no balling or clogging.Wide applications: The filtration sand is suitable for all sand filters in all sizes of pools and spas.