Water Filter vs Water Softener: What's the Difference?

A water filter and a water softener are not the same thing: a water filter removes contaminants (iron, sulfur, sediment, chlorine, bacteria) while a water softener removes hardness (calcium and magnesium), so one cannot replace the other. Full written guide with sizing, costs, and the correct install order: https://midatlanticwater.net/blogs/gu... In this video, Aidan Walsh (32 years in residential water treatment, 28 of them installing systems in the field) breaks down exactly what a water filter does versus what a water softener does, why neither can do the other's job, and how to tell which one you actually need. He explains the main filter types (carbon, iron, acid neutralizer), how ion-exchange softening works, why most well and city water homes end up needing both, why the filter always goes before the softener, and the single most expensive mistake homeowners make. The first step before buying anything is a water test. 00:00 What's the Difference Between a Filter and a Softener? 00:18 Why Trust This Advice (32 Years Experience) 00:28 What a Water Filter Actually Removes 00:47 Can One Replace the Other? (How Each Works) 01:17 Test Your Water First 01:32 Matching Systems to Your Water Problems 02:01 City Water vs Well Water 02:20 Why Most Homes Need Both 02:41 Why the Filter Always Goes First 02:53 The Football Team Analogy 03:13 The #1 Mistake Homeowners Make 03:33 What to Do Next A water filter and a water softener solve completely different problems. Filters remove contaminants; softeners remove hardness. If your water test shows iron, sulfur, or bad taste, you need a filter (an iron filter, or a 2.5 cubic foot non-backwashing carbon tank for taste and sulfur). If your hardness is above 7 grains per gallon, you need a water softener. Most homes have multiple problems at once, so the filter goes in first to protect the softener resin from iron and sediment. Before you buy anything, get your water tested. Our 53-contaminant certified lab Well Water Test Kit is $199 shipped (includes lab fees): https://midatlanticwater.net/products... Shop by problem: Iron / sulfur filters: https://midatlanticwater.net/collecti... Whole-house carbon filters: https://midatlanticwater.net/collecti... Water softeners: https://midatlanticwater.net/collecti... Iron filter + softener packages: https://midatlanticwater.net/collecti... Carbon filter + softener packages: https://midatlanticwater.net/collecti... Questions about your water? Call Aidan directly at 800-460-5810.