[{"data":1,"prerenderedAt":267},["ShallowReactive",2],{"\u002Fwater-filters":3,"type-articles-\u002Fwater-filters":231,"related-\u002Fwater-filters":232},{"id":4,"title":5,"body":6,"date":221,"description":222,"extension":223,"meta":224,"navigation":225,"path":226,"seo":227,"silo":228,"stem":229,"__hash__":230},"content\u002Fwater-filters\u002Findex.md","Water Filters: Which One to Choose in 2026",{"type":7,"value":8,"toc":213},"minimark",[9,18,25,43,46,57,64,84,87,90,97,105,116,118,130,132,138,157,159,167,178,181,201,209],[10,11,12,13,17],"p",{},"Filtration is the middle road: more serious than a pitcher forgotten at the back of the fridge, less involved than reverse osmosis under the sink. For ",[14,15,16],"strong",{},"$35 to $110",", an activated carbon filter takes out chlorine, the taste that comes with it, microplastics and — on the certified ones — lead. It is what I recommend first to anyone who finds their water \"not great\" without having an actual health problem.",[10,19,20,21,24],{},"Because that is the real question: is your water bad, or just unpleasant? Most American tap water meets its federal limits; what sends people to the bottled water aisle is usually the ",[14,22,23],{},"chlorine taste",", and against chlorine, activated carbon is unbeatable on results per dollar.",[10,26,27,28,31,32,37,38,42],{},"If your utility's report shows ",[14,29,30],{},"lead, PFAS, nitrate or arsenic"," near their limits, though, you are in the wrong aisle: that calls for ",[33,34,36],"a",{"href":35},"\u002Freverse-osmosis-systems","reverse osmosis",". And if your problem is scale furring up the house, no filter will touch it — head for a ",[33,39,41],{"href":40},"\u002Fwater-softeners","softener",".",[44,45],"water-quality-widget",{},[47,48,50,56],"h2",{"id":49},"my-faucet-filter-picks",[51,52],"icon",{"className":53,"name":55},[54],"size-6","solar:star-bold-duotone"," My faucet filter picks",[10,58,59,60,42],{},"The faucet mount is my preferred format in simple filtration: nothing to do daily, a real flow rate, and a cartridge that lasts months where a pitcher wants a new one every four weeks. Two models stand out; I should say I have not run them for months at home, and my selection method is explained in my ",[33,61,63],{"href":62},"\u002Fwater-filters\u002Freviews","reviews",[10,65,66,69,70,75,76,79,80,83],{},[14,67,68],{},"The straightforward one:"," the ",[71,72,74],"aff-link",{"id":73},"pur-plus-faucet","PUR PLUS faucet mount"," screws on in five minutes without tools, with a lever to switch between filtered and running water, which spares the cartridge for drinking water. Around ",[14,77,78],{},"$34",", and — this is the part that matters — it is ",[14,81,82],{},"NSF certified for lead reduction",", which is rare at this price.",[85,86],"affiliation-box",{"id":73},[10,88,89],{},"On this format the real budget is not the housing but the cartridge, and the trap is always the same: you put off the reorder, stretch it another month, and end up drinking through saturated carbon. Buying replacements ahead of time removes the decision entirely.",[10,91,92,93,96],{},"One thing to check on any faucet mount: ",[14,94,95],{},"whether it fits your faucet",". Pull-down sprayers and some flat spouts cannot take a screw-on filter. Check before ordering — it is the number one reason these get returned.",[47,98,100,104],{"id":99},"pitcher-faucet-under-sink-the-three-formats",[51,101],{"className":102,"name":103},[54],"solar:filter-bold-duotone"," Pitcher, faucet, under-sink: the three formats",[10,106,107,110,111,115],{},[14,108,109],{},"The pitcher"," stays useful in two cases: a short-term rental, and the office. Anywhere else its apparent economy evaporates once you count monthly cartridges, and its upkeep discipline is its weak point — a forgotten cartridge becomes an incubator. If your faucet cannot take a screw-on filter, though, it is the only way out, and the ",[71,112,114],{"id":113},"brita-everyday-pitcher","Brita Everyday 10-cup"," is the size that avoids refilling six times a day.",[85,117],{"id":113},[10,119,120,121,124,125,129],{},"One detail worth more than it looks: the standard Brita filter is ",[14,122,123],{},"not"," certified for lead. The ",[71,126,128],{"id":127},"brita-elite-filters","Elite filter"," is, and it fits the same pitchers. If lead is why you are here, that swap is the whole point.",[85,131],{"id":127},[10,133,134,137],{},[14,135,136],{},"The faucet mount"," is what this page recommends by default: five-minute install, dense carbon filtration, controlled cost.",[10,139,140,143,144,148,149,152,153,42],{},[14,141,142],{},"The under-sink filter"," puts a bigger cartridge below the countertop, plumbed into the existing faucet or a small dedicated one. Tidier, longer-lived, a little pricier and a little more technical to fit. It is the logical step before reverse osmosis, without the wastewater or the tank. The ",[71,145,147],{"id":146},"waterdrop-15ub","Waterdrop 15UB"," is the one I would pick: a ",[14,150,151],{},"year-long cartridge",", a 0.5 micron carbon block certified NSF\u002FANSI 42 and 53 including for lead, and a dedicated faucet in the box. The format is covered in ",[33,154,156],{"href":155},"\u002Fwater-filters\u002Fcomparisons\u002Funder-sink-water-filters","which under-sink water filter to choose",[85,158],{"id":146},[47,160,162,166],{"id":161},"what-filtration-does-not-do",[51,163],{"className":164,"name":165},[54],"solar:danger-triangle-bold-duotone"," What filtration does not do",[10,168,169,170,173,174,177],{},"Let's be clear about the limits, because filter marketing loves a grey area. Activated carbon ",[14,171,172],{},"does not hold nitrate",", does not hold hardness (your kettle will keep going white), and does not \"structure\" or \"energize\" anything at all, whatever the sellers of magic pebbles claim. It does hold chlorine, organic compounds, microplastics, disinfection byproducts, and — on certified blocks — lead. That is already a lot, provided you ",[14,175,176],{},"change cartridges on time",": a saturated filter releases what it has accumulated.",[10,179,180],{},"On PFAS, be precise: a plain carbon block reduces some PFAS compounds, unevenly and only while it is fresh. If PFOA or PFOS show up above their federal limit in your report, reverse osmosis is the answer, not a faucet filter.",[10,182,183,184,188,189,188,193,195,196,200],{},"To go further: my ",[33,185,187],{"href":186},"\u002Fwater-filters\u002Fguides","guides",", ",[33,190,192],{"href":191},"\u002Fwater-filters\u002Fcomparisons","comparisons",[33,194,63],{"href":62}," and the ",[33,197,199],{"href":198},"\u002Fwater-filters\u002Ftools","tools section",", which is where the hardness testing guide lives.",[47,202,204,208],{"id":203},"frequently-asked-questions",[51,205],{"className":206,"name":207},[54],"solar:question-circle-bold-duotone"," Frequently asked questions",[210,211],"faq",{":items":212},"[{\"q\":\"Which filter improves the taste of tap water?\",\"a\":\"An activated carbon faucet filter is the best result per dollar: $34 to $60 to buy, it removes the chlorine responsible for the taste, with nothing to do daily unlike a pitcher.\"},{\"q\":\"Does a carbon filter remove hardness?\",\"a\":\"No. Hardness is a dissolved mineral that activated carbon lets straight through. Against scale, the only effective answer for a whole house is a softener; at the level of a glass of water, reverse osmosis.\",\"href\":\"\u002Fwater-softeners\",\"linkText\":\"The water softener guide\"},{\"q\":\"Faucet filter or pitcher?\",\"a\":\"The faucet mount wins on almost every count: denser filtration, real flow rate, cartridges every 3 to 4 months instead of every 4 weeks, and comparable cost over 3 years. The pitcher keeps the edge in short rentals and on faucets that cannot take a filter.\"},{\"q\":\"Which under-sink water filter should I choose?\",\"a\":\"Look at cartridge life before the price of the housing: a year-long block beats one you change four times a year. The Waterdrop 15UB is the compromise I would pick, with a dedicated faucet and NSF\u002FANSI 42 and 53 certification.\",\"href\":\"\u002Fwater-filters\u002Fcomparisons\u002Funder-sink-water-filters\",\"linkText\":\"The under-sink filter comparison\"},{\"q\":\"How often should I change a faucet filter cartridge?\",\"a\":\"Every 3 to 4 months depending on the model. This is not optional: saturated carbon stops filtering and can release what it has accumulated. A reminder in your phone on the day you fit it prevents the drift.\"},{\"q\":\"Do filters remove lead and PFAS?\",\"a\":\"Lead, yes — but only on filters specifically certified for it under NSF\u002FANSI 53, which is not all of them. PFAS, only partly and only while the carbon is fresh. If PFOA or PFOS are above their limit in your report, reverse osmosis is the right answer.\",\"href\":\"\u002Freverse-osmosis-systems\",\"linkText\":\"The reverse osmosis guide\"}]",{"title":214,"searchDepth":215,"depth":215,"links":216},"",2,[217,218,219,220],{"id":49,"depth":215,"text":56},{"id":99,"depth":215,"text":104},{"id":161,"depth":215,"text":166},{"id":203,"depth":215,"text":208},"2026-08-03","Pitcher, faucet mount or under-sink: which water filter to pick to improve your tap water, what it costs, and what it really does to the taste.","md",{},true,"\u002Fwater-filters",{"title":5,"description":222},"water-filters","water-filters\u002Findex","6Scjad7APNz2I1ZWPBHARY6uUFAJM0irg1ZqqKMCPvg",[],{"overview":233,"articles":234},{"path":226,"title":5,"description":222},[235,238,242,246,249,253,256,259,263],{"path":191,"title":236,"description":237,"date":221},"Water Filter Comparisons: My Method and My Head-to-Heads","How I compare water filters: cost per gallon, filtration grade, real flow rate and certification — beyond 'removes chlorine, improves taste'.",{"path":155,"title":239,"description":240,"date":241},"Which Under-Sink Water Filter to Choose in 2026","Under-sink filters: real cartridge capacity, cost per gallon, installation, and the difference with reverse osmosis. The models I would pick, and for what.","2026-08-04",{"path":243,"title":244,"description":245,"date":241},"\u002Fwater-filters\u002Fguides\u002Fchlorine-taste-tap-water","Chlorine Taste in Tap Water: Where It Comes From, How to Get Rid of It","Why your tap water tastes like a swimming pool, what that says about its quality, and the fixes that actually work — from a pitcher to an under-sink filter.",{"path":186,"title":247,"description":248,"date":221},"Water Filters: The 3 Questions to Settle Before Buying","Diagnosis, format, upkeep: my water filter buying guides, in the order the questions come up before you reach for a card.",{"path":250,"title":251,"description":252,"date":241},"\u002Fwater-filters\u002Freviews\u002Fbrita-faucet-filter-review","PUR PLUS Faucet Filter Review: What It Really Does","A review of the PUR PLUS faucet mount: what it actually filters, its real cost per gallon, the faucet compatibility question, and the alternatives.",{"path":62,"title":254,"description":255,"date":221},"Water Filter Reviews: How I Judge Them","How I build my water filter reviews: the verifiable criteria, the traps in online reviews, and what only shows up after months of use.",{"path":198,"title":257,"description":258,"date":221},"Water Filter Tools: Diagnose Before You Buy","My tools for sizing up your water before spending a dollar: your utility's report, testing hardness yourself, and the cost-per-gallon calculation that settles every comparison.",{"path":260,"title":261,"description":262,"date":241},"\u002Fwater-filters\u002Ftools\u002Ftest-water-hardness-at-home","How to Test Your Water Hardness at Home","Test strips, titration kits or a TDS meter: the three ways to measure water hardness at home, how accurate each really is, and the ppm-versus-grains trap.",{"path":264,"title":265,"description":266,"date":221},"\u002Fwater-filters\u002Ftools\u002Fwater-hardness-by-city","Water Hardness by City: Why Your Report Probably Doesn't List It","Finding your water hardness in grains per gallon: what utilities publish and what they leave out, why most reports skip hardness, and how to get the number anyway.",1787678116721]