Best Manganese Filters for Well Water
Black stains and bitter water? The best manganese filter depends on your test numbers. Five whole-house systems, from air injection to combo softeners.
Category: Blog
Best Limescale Removers for Faucets and Fixtures
The best limescale remover for faucets depends on the finish. Picks for chrome, stainless, brass and stone-set faucets, plus a soak that clears aerators.
Best Laundry Water Softener Additives
The best laundry water softener additive depends on the chemistry: sequestering vs. precipitating. Five picks from Charlie's, Calgon, washing soda and borax.
Best Laundry Detergents for Hard Water
The best laundry detergent for hard water is usually a powder with built-in builders. Five picks for stiff, dingy laundry, plus how much to use by hardness.
Best Kettle Descalers
The best kettle descaler is often plain citric acid. Five picks for electric and stovetop kettles, from a fast Swiss liquid to a bag of citric acid.
Best KDF Shower Filters
The best KDF shower filter picks, from NSF-certified Culligan and Aquasana to Jolie. What KDF-55 really removes, what it can't, and when to replace it.
Best Iron Test Kits for Water
The best iron test kit for water reads the right iron at the right range. Picks for well owners sizing a softener or iron filter, and how to sample.
Best Inline Water Filters for Fridges and Ice Makers
Best inline refrigerator water filter picks for fridges and ice makers, plus why no inline cartridge stops hard-water flakes in your ice and what does.
Best Humidifiers for Hard Water (No White Dust)
Ultrasonic humidifiers turn hard water into white dust. The best humidifier for hard water is evaporative or steam. Five picks from bedroom to whole house.
Best Humidifier Demineralization Cartridges
The best humidifier demineralization cartridge is the one that fits your model. Five model-matched picks for Vicks, Boneco, Crane and Pure Enrichment, plus lifespan tips.