Know your water.
Protect your home.
Whether you’re dealing with hard water minerals or invisible contaminants, start here to understand what’s in your water and what to do about it.
Hard Water & Softeners
Browse water softeners →What Is Hard Water and What Impact Does It Have on Homes and Families?
Dissolved calcium and magnesium affect 85% of U.S. homes — often without people realising. From spotted dishes and dry skin to scale buildup that shortens appliance life, learn to recognise the signs and understand why geography matters. Includes a U.S. hardness map and city-by-city breakdown.
How to Test for Hard Water at Home
From your Consumer Confidence Report to the quick soap test and a free test strip — know your grains-per-gallon reading before spending on any treatment system.
Get a Free Hard Water Test Strip
EcoPure mails you a test strip at no cost. Dip it in tap water, compare the color result, and know your water hardness in 30 seconds. A reading of 7 gpg or above means a softener is recommended.
How a Water Softener Works
Ion exchange in the resin tank, brine regeneration, and why demand-initiated softeners save salt and energy compared to timer-based models — all explained clearly.
Hardness Levels at a Glance
Use this after testing your water. Hardness is measured in grains per gallon (gpg). If your reading is 7 gpg or above, a softener is recommended.
| Strip Color | Grains / Gallon | Level | Action |
|---|---|---|---|
| Gold | 0 gpg | Extremely Soft | No action needed |
| Orange | 3 gpg | Very Soft | No action needed |
| Dark Orange | 7 gpg | Softer | Worth monitoring |
| Sunset | 11 gpg | Hard | Action recommended |
| Fire Brick Red | 15 gpg | Harder | Action recommended |
| Dark Red | 25 gpg | Very Hard | Immediate action |
| Maroon | 59 gpg | Extremely Hard | Immediate action |
Water Quality & Filtration
Browse filtration systems →How to Remove PFAS from Drinking Water: What Actually Works
PFAS “forever chemicals” are detected in nearly half of U.S. tap supplies. Most standard filters were never designed to handle them. This guide covers the three proven removal methods — reverse osmosis, advanced carbon filtration, and ion exchange — and what NSF certifications to require before you buy.
What Do Those NSF Numbers on Your Water Filter Actually Mean?
NSF 42, 53, 58, 401, 372 — each standard tests for something different. Learn why “8-stage filtration” is a marketing phrase, and how to verify any filter’s real certifications before you pay.
TDS in Drinking Water: What Your Meter Really Means
Filter ads love a TDS reading of 312 paired with a worried face. The truth: TDS measures quantity, not quality. A low number doesn’t mean safe; a high number doesn’t mean dangerous. Know what the meter actually detects — and what it completely misses.
The five NSF standards every filter buyer should know
Independent certification — not marketing copy — is what protects your family. Each standard covers something entirely different.
Major U.S. cities with hard water
Start with a free water test
Know what’s in your water before choosing a solution. EcoPure will send a hardness test strip to your door — no purchase required.
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