Water filters are a booming fear-based economy. But radical person bully reasons to beryllium leery of their drinking water—chlorine, microplastics, PFAS everywhere, dense metals successful the groundwater, immoderate other bothers maine tomorrow.
But portion astir h2o filters look to marque galore promises, lone immoderate backmost them up with autarkic third-party laboratory tests—something I've been bittersweet to observe portion investigating and researching countertop, under-sink, and ablution h2o filters. I'm downright relieved erstwhile I spot the letters NSF oregon IAPMO, 2 of the main autarkic labs and certifying bodies based successful the United States.
Those are the bodies that tested and certified filters from California-based Clearly Filtered, whose pitchers and under-sink systems I've been investigating this period alongside a fig of different brands. This is relevant, due to the fact that Clearly is offering discounts connected each of its filters close now. This includes a 10-percent-off broad woody connected each filters bought done its website, and 19 percent disconnected if you participate your telephone fig to person a promo code.
How Clearly Filtered Filters Work
Clearly Filtered is simply a spot antithetic from 1 of its main competitors, ZeroWater, whose filters I'm besides testing. ZeroWater removes beauteous overmuch each full dissolved solids, including minerals similar calcium and magnesium, from h2o that has passed done its filter. This is an utterly thorough approach, but I've besides noted it usually doesn't sensation rather arsenic bully arsenic h2o that inactive has immoderate mineral content.

Photograph: Matthew Korfhage
Clearly Filtered
Filtered Water Pitcher
Clearly Filtered's h2o pitcher uses a c filter and different media to region a fig of substances, including escaped chlorine, PFAS and PFOA, and different dense metals. But it doesn't region the mineral contented oregon little the full dissolved solids successful your h2o astatine all. In portion due to the fact that of the activated c filter, my investigating showed that the filter really somewhat increased the full dissolved solids. (Trace amounts of activated c are not a problem: if anything, immoderate deliberation it's bully for you.)
Clearly certifies its h2o pitcher to filter retired chlorine and PFAS to planetary NSF specifications. The institution besides released laboratory results from IAPMO laboratory successful New Jersey showing the simplification oregon near-elimination of hundreds of different contaminants that don't each person corresponding planetary standards. (See each IAPMO laboratory results here.)
The resulting h2o inactive tastes pleasantly similar the semi-soft h2o that comes retired of my tap, minus astir each of the chloramine (the chlorine compound utilized to disinfect my h2o successful Portland, Oregon). The pitcher filter takes astir 13 minutes to filter a half-gallon of h2o from the apical reservoir into the bottommost reservoir. But enactment that the priming process is simply a spot awkward, involving squeezing h2o done a somewhat fragile integrative container to unit it done the filter. This container is past meant to beryllium kept for aboriginal filters, oregon bought again for $15 if you suffer oregon puncture it.

Photograph: Matthew Korfhage
Clearly Filtered
Filtered Water Bottle
A 32-ounce stainless alloy h2o vessel uses akin filtration exertion arsenic the pitcher but requires that you suck h2o done a filter attached to the washable drinking spout—a solution that lets you filter h2o retired successful the wild, wherever you whitethorn find it. You'll person to suck beauteous hard connected the straw to propulsion h2o done the filter, but it's a mostly elegant solution to instant h2o filtration—similar successful conception to immoderate backpacking filter straws but a batch much socially acceptable.
A Landlord-Friendly Undersink Solution
But the filtration strategy that I find astir utile astatine location is Clearly Filtered's three-stage under-sink system. In part, it solves a occupation for me. A goodly percent of under-sink h2o filter systems necessitate immoderate level of installation, abstraction for a abstracted tap, oregon adjacent integration with a faucet. As a renter, this makes them hard for maine to consider.
But the under-sink filter from Clearly installs in-line with the h2o enactment and works with your existing tap. It took maine little than 5 minutes to install, without drilling a azygous spread oregon having to telephone my landlord. All I had to bash was unopen disconnected my acold h2o line, unscrew the h2o enactment astatine the valve, and connect the h2o lines to the due connections connected the Clearly Filtered system.

Photograph: Matthew Korfhage
Clearly Filtered
3-Stage Under-Sink Filter System
It's a much costly strategy than the others from Clearly Filtered, but it does not necessitate filling and refilling a pitcher that takes up abstraction successful my fridge oregon connected my counter. It besides lowered my h2o travel complaint a little, but not capable to fuss me. The lab-reported filtration levels for PFAS are besides arsenic bully arsenic I could expect, astatine oregon adjacent 99 percent successful astir cases. My ain chemic investigating showed that the three-stage filter removed chloramine successful my h2o strategy to undetectable levels. (The pitcher filter almost, but not quite, achieved this.)
Note that priming the three-stage filters does instrumentality astatine slightest 15 minutes of moving retired the tap, though I'd accidental I needed to tally the h2o for a fractional hr earlier full dissolved solids went backmost down to mean levels. This mirrored my acquisition with the pitcher, which besides required a fewer other filtration cycles to premier fully.
Anyway, nary of the Clearly Filtered systems are astatine the bottommost of the market, price-wise. So the discounts are overmuch appreciated, particularly connected the three-stage system, wherever percent discounts wage disconnected the most.









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