Pool filters come in three main types: sand filters (low maintenance, 5-7 year lifespan), cartridge filters (easy cleaning, 1-2 year replacement), and DE filters (finest filtration, requires backwashing every 4-6 weeks).
Yes, you can clean pool filter sand through backwashing, chemical cleaning with muriatic acid or filter cleaners, and eventually replacing it every 2-3 years when cleaning becomes ineffective.
Yes, the type of pool filter sand you use matters significantly for filtration effectiveness and maintenance frequency. Silica sand is standard, while zeolite and glass sand offer superior filtration but cost more.
Yes, Walmart does carry pool filter sand both in-store and online, typically available from spring through summer. They stock brands like HTH and Quikrete, with 50-pound bags ranging from $8-15.
You need a new pool filter if it's damaged, cleaning doesn't restore flow, or it's reached its replacement schedule (1-2 years for cartridge, 5-7 years for DE grids, 10-15 years for sand). Check for tears, reduced flow, and cleaning frequency to determine replacement needs.
You should never run a sand filter without any filter media as it won't filter water and can damage equipment. However, you can temporarily use alternative media like filter glass, zeolite, or even emergency solutions while waiting for sand replacement.
Pool filter sand should be replaced every 3-5 years or when you notice decreased filtration efficiency, channeling, or cloudy water that persists despite proper chemistry. Signs include poor water clarity and reduced filter run times.
