A water filter pitcher is one of the simplest ways to improve your tap water — but “certified to remove contaminants” can mean wildly different things depending on which certification, and which contaminant, you’re actually looking at. This hub is organized to get you to the right answer quickly, whether you’re choosing a pitcher for the first time or troubleshooting one you already own.
Start Here: Choosing a Pitcher
If you’re buying a pitcher (or trying to understand the one you have), start with these two:
- How to Choose a Water Filter Pitcher (What NSF Certifications Actually Mean) — what NSF/ANSI 42, 53, and 401 actually certify, what pitchers genuinely can’t do regardless of marketing (fluoride, arsenic, TDS), and a brand-by-brand lookup table for lead, PFAS, and emerging-contaminant certification.
- Best Alkaline Water Pitchers (And What the Science Actually Says) — an honest look at what raising your water’s pH does and doesn’t do, who might actually benefit, and which alkaline pitchers are worth considering if you decide it’s right for you.
Brita
- Brita Longlast vs. Standard Filter: Which One Do You Actually Need? — the real difference isn’t just price and lifespan; it’s what each filter is actually certified to remove.
- Why Is My Brita Longlast Filter Running Slow? (And How to Fix It) — the handful of real causes, and why your tap’s water pressure isn’t one of them.
- How to Install a Brita Longlast Filter (Step by Step)
- How Does the Brita Water Filter Indicator Work?
- Why Is My Brita Faucet Filter Light Not Working?
- Why Is There Algae in My Brita Pitcher? (And How to Prevent It)
- Why Is There Black Mold in My Brita Pitcher? (And How to Fix It) — the site’s highest-traffic article; if you’re only fixing one Brita problem, this is probably it.
ZeroWater
- Why Is Your ZeroWater Filter Slow? (10 Reasons and How to Fix It)
- How Often to Clean Your ZeroWater Pitcher (And When to Replace the Filter)
Have a Different Question About Your Water?
A pitcher only addresses what’s already in your tap water — if you’re not sure what that actually is, our Water Quality & Contaminants hub covers testing, reading your utility’s report, and specific contaminants like lead and arsenic in more depth than a pitcher-focused page can.