10 Water Filter Cartridge Types, in the Order Water Meets Them
The 10 water filter cartridge types, from sediment and carbon to KDF, resin and RO membranes, with what each removes, what it misses and which size fits your housing.
Expert Water Filter, Softener & Heater Reviews
In-depth reviews and buying guides for water treatment systems. We do the research so you can skip the guesswork.
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Filters
10 Water Filter Cartridge Types, in the Order Water Meets Them
The 10 water filter cartridge types, from sediment and carbon to KDF, resin and RO membranes, with what each removes, what it misses and which size fits your housing.
Filters
Whole House Water Filter Leaking From Top? Find the Spot, Then Fix It
A whole house water filter leaking from the top leaks at the sump seal, the red pressure relief button or a pipe fitting. Here's how to find which one and fix it.
Filters
7 Best Budget Water Filters, Picked by What They're Certified to Do
Compare 7 budget water filters by certification and filter life, from a Brita Elite pitcher that cuts 99% of lead to an NSF/ANSI 58 under-sink RO system.
Filters
5 Best Watts Water Filters for Every Job in Your Home
Five Watts water filters compared by job: under-sink RO, no-power ultrafiltration, salt-free scale control and whole-house sediment cartridges.
Filters
Best External Water Filter for Refrigerator Lines: 7 Inline Picks
The best external water filter for refrigerator lines depends on your line. See 7 inline picks ranked by NSF certification, from 6-month to 5-year filters.
Heaters
Are Point of Use Water Heaters Efficient? What the Numbers Show
Are point of use water heaters efficient? Yes, at remote, low-flow fixtures. See DOE figures, running costs, shower sizing math and when a heat pump wins.
Heaters
Are Solar Water Heaters Worth It? Costs, Savings and Payback Math
Are solar water heaters worth it? See installed costs of $2,500-$9,000, yearly savings, payback math, the expired tax credit and when a heat pump wins.
Filters
The Real Dangers of Not Changing Your Refrigerator Water Filter
Dangers of not changing a refrigerator water filter, sorted: weaker filtering, odd taste and hollow ice are real. The scary health claims? Mostly unproven.
Heaters
5 Best Battery Backups for a Tankless Water Heater (Gas and Propane)
Battery backups for tankless water heater outages, ranked: HUGO vs plug-in UPS vs power station, with Rinnai runtimes, sizing math and setup steps.
Filters
Bulk Activated Charcoal: How to Pick the Right Type and Where to Buy
Buying bulk activated charcoal? Match the form, base and mesh to your water filter, odor box or fish tank, compare price per pound and find the right supplier.
Filters
Salt Water Canister Filter: How to Run One Without Nitrate Trouble
A salt water canister filter works if you swap the floss every few days. Get the media order, cleaning routine and the right model size for your tank.
Heaters
7 Best Aquarium Heaters for Every Tank Size and Water Type
Compare 7 aquarium heaters by tank size, safety cut-offs and material, from a 10-watt betta heater to a 400-watt titanium heater for saltwater reefs.
Filters
How to Choose a Water Screen Filter: Types, Mesh Sizes and Costs
A water screen filter traps sand before it clogs your drip line, pump or plumbing. Compare 4 types, pick the right mesh size and see prices from $12.05.
Filters
Water Treatment Tank Basics: Types, Sizes, Prices and Replacement
Which water treatment tank do you need? Compare mineral, brine, RO and retention tanks, read a 10 x 54 size, see real listed prices and swap one yourself.
Filters
10 Inch Water Filter Housings: How to Pick the Right Size and Fit
Slim or Big Blue? See which 10 inch water filter housing fits your cartridge, pipes and water pressure, what comes in the box, and real prices from $13.95.
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