Blog
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Best Water Filter Pitchers: What Each One Is Certified to Remove
Five water filter pitchers compared on what’s certified (and by whom), how often the filters need changing, and who each one suits.
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Best Under-Sink Reverse Osmosis Systems, Compared by Certification
Six under-sink RO systems compared on what’s actually certified (NSF/ANSI 58, 53, PFAS), tank vs tankless, running costs and installation.
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Best Water Softeners for Every Home Size and Water Type
Seven water softeners matched to home size and water type, with what’s actually certified to NSF/ANSI 44, how to size one, and what it costs to run.
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Surprising Benefits of Drinking Filtered Water at Home
How filtered water at home can affect taste, hydration, appliance scale, bottled-water spending and plastic use, plus tips for choosing a filter.
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(6 PK) Morton Water Softener Salt 40 lb review
An overview of the Morton 40 lb water softener salt six-pack: what it is, which softeners it suits, and what to know about storage and use.
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Aquasana Shower Filter AQ-4100NSH review
A look at the Aquasana AQ-4100NSH shower filter: its chlorine-reduction claims, cartridge life, fit with your own shower head and installation.
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Fleck 5600SXT 48,000-Grain Water Softener Review: Sizing, Salt Settings and Certification
Fleck 5600SXT 48k softener: how to size it for your hardness, real capacity at each salt setting, what’s certified, upkeep and when to choose the 80k.
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Cobbe Filtered Shower Head with Handheld review
An overview of the Cobbe handheld filtered shower head, covering its six spray modes, filter media, chlorine-reduction claims and setup.
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Filtered Shower Head Handheld High Pressure 9-Spray Review
A look at a nine-spray handheld filtered shower head with KDF and vitamin C beads: what it claims for chlorine and hard water, and how it installs.
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AFWFilters Iron Pro 2 Water Softener & Iron Filter review
An overview of the AFWFilters Iron Pro 2, a 64,000-grain softener and iron filter on a Fleck 5600SXT valve, for iron, staining and hardness.
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4-Pack 15-Stage Shower Filter Replacement Cartridge review
What to know about this four-pack of 15-stage replacement shower cartridges: stated filter media, compatibility, replacement interval and fit.
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Pro Products Res Care Water Softener Cleaner review
An overview of Pro Products Res Care, a liquid softener resin cleaner for iron and manganese, with dosing, NSF status and maintenance notes.