Filter sand media replacement is mandatary to ensure optimum filtration efficiency of swimming pool water. Generally the lifespan of filter sand media is approximately 4-7 years depending on water demand and usage.

"How do I know if I need to replace my swimming pool/water feature filter sand media?"
- blurry swimming pool water
- algae keeps growing despite dosing a lot of chlorine and chemicals
- very bad water clarity when swimming inside the pool