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Water Filter Maintenance

Expert guides and information to help you make informed decisions about your water treatment needs

Smiling customer support agent wearing a headset, taking notes at a desk beside a computer monitor

Why Is My Water Softener Making Noise? What Each Sound Means

Whirs, clicks and rushing water at night are a normal regeneration. Here's how to tell those apart from the sounds th...

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Crystal Quest Eagle whole house filter tanks, two stainless and two white, beside a short brine tank in a garage

Whole House Water Filter Maintenance: A Tank System Owner's Guide

Your tank filter cleans itself, mostly. Here's the short owner list, from resetting the clock after an outage to repl...

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Chrome faucet aerator releasing a single slow water drop, illustrating slow reverse osmosis water flow

Why Is Your Reverse Osmosis Water So Slow? 8 Causes and Fixes

Is your reverse osmosis faucet barely dripping? Here are the 8 most common causes of slow RO water flow, and how to f...

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Multi-stage reverse osmosis system with replacement sediment and carbon cartridges staged on a light wood kitchen counter

Why Is Your Reverse Osmosis System Making Noise? 6 Sounds Decoded

Reverse Osmosis System Making Noise? Here Is What Every Sound Means You're in the kitchen, and there it is: a hum, a...

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A glass of clear filtered water beside a glass of cloudy yellow unfiltered water on a kitchen counter

How Long Do Water Filter Pitchers Last? Cartridge Lifespan and Replacement Signs

How Long Do Water Pitcher Filters Last? A basic carbon pitcher cartridge, the kind most disposable pitchers ship with...

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Gloved hands holding three replacement filter cartridges, one dark netted and two white, in a kitchen

How to Change a Whole House Water Filter: Cartridge Replacement and Service Guide

Replacing whole house filter cartridges is a 20-minute job when you know the stage order, the O-ring trick, and how t...

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Stylized illustration of glowing blue light tubes in glass cylinders, suggesting ultraviolet water disinfection

UV Water Filter Lamp Replacement and Maintenance: A Complete Guide

Your UV lamp can keep glowing for months after it has stopped disinfecting. Here is how to replace it, clean the slee...

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Person holding two glasses of water beside a stainless kitchen sink and faucet

How to Flush a New Water Filter (and What's Normal During Break-In)

Gray water, cloudiness, or an odd taste from a brand new filter is usually normal break-in. Here is how to flush it o...

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Chrome gooseneck faucet over a double stainless steel sink in a modern kitchen

What Is an Air Gap in Plumbing? Dishwasher, RO, and Softener Protection

An air gap is a simple plumbing device that stops contaminated water from flowing backward into your clean water supp...

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Water pouring from a glass bottle into a small glass on a wooden table

How Often to Change Your Water Filter (By Filter Type)

Every filter type has its own replacement timeline. Here is how often to change each one, plus the warning signs that...

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Snow covered outdoor pipe and spigot in winter

How to Keep Pipes From Freezing (And Protect Your Water Filtration System)

Frozen pipes and filter housings crack, leak, and flood homes every winter. Here are eight proven ways to protect you...

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Under sink reverse osmosis system with filter housings, membrane and storage tank inside an open kitchen cabinet

Reverse Osmosis Leaking? How to Find and Fix Every RO Leak

Most reverse osmosis leaks trace back to a few common spots, and nearly all are simple DIY fixes. Here is how to find...

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