When Should You Replace Your Water Filters? Complete Maintenance & Replacement Guide (2026)

You install a whole house water filtration system and feel relieved. For the first few months, your water tastes clean, your shower screens stay transparent, and your appliances run smoothly. Then, one morning, you notice the water pressure dropping at the kitchen tap. By the end of the week, the chlorine smell is back. Your once-pristine shower screen is already showing that stubborn white scale again.