Re ikemela re hlahloba tsohle tseo re li khothalletsang.Ha o reka ka lihokelo tsa rona, re ka fumana komisi.Fumana ho eketsehileng >
Lisefa tse kholo tsa metsi tsa Berkey li na le sehlotšoana sa borapeli.Esale re ntse re etsa lipatlisiso ka lipitsa tse ntle ka ho fetisisa tsa sesefa sa metsi le tse ntle ka ho fetisisa tlas'a metsi a siling ka lilemo, 'me re 'nile ra botsoa ka Big Berkey hangata.Moetsi o bolela hore sefe sena se ka tlosa litšila tse ngata ho feta lihloela tse ling.Leha ho le joalo, ho fapana le likhetho tsa rona tse ling tsa li-filters, Big Berkey ha e na bopaki bo ikemetseng ho litekanyetso tsa NSF / ANSI.
Kamora lihora tse 50 tsa lipatlisiso le liteko tse ikemetseng tsa likopo tsa moetsi oa Big Berkey, liphetho tsa liteko tsa rona, hammoho le liphetho tsa laboratoring e 'ngoe eo re buileng le eona le lab ea boraro eo liphetho tsa eona li fumanehang phatlalatsa, ha li lumellane ka botlalo.Re lumela hore sena se boetse se bontša bohlokoa ba setifikeiti sa NSF/ANSI: se lumella batho ho etsa liqeto tsa ho reka ho ipapisitse le papiso e tšepahalang ea tšebetso ea liapole le liapole.Ho feta moo, kaha sistimi e kholo ea Berkey e kholoanyane, e theko e boima haholo, 'me ho thata ho e hlokomela ho feta lipitsa le li-filters tse ka tlase ho teba, re ne re ke ke ra e khothaletsa leha e ka netefatsoa.
Lits'ebetso tsa li-countertop tsa Berkey le li-filters li theko e boima haholo ho feta likhetho tse ling tsa ho sefa metsi ebile ha li bonolo ho li sebelisa.Litlaleho tsa tšebetso ea bahlahisi ha lia tiisetsoa ka boikemelo ho latela maemo a naha.
New Millennium Concepts, moetsi oa Big Berkey, o re filthara e ka tlosa litšila tse fetang lekholo, tse fetang tse ling tse feptjoang ka matla a khoheli tseo re li hlahlobileng.Re ile ra leka likopo tsena ka tekanyo e fokolang, 'me liphetho tsa rona ha se kamehla li lumellanang le liphetho tsa laboratori tse laetsoeng ke New Millennium.Haholo-holo, liphetho tse tsoang laboratoring eo re e rometseng le laboratoring ea New Millennium e sa tsoa kena konteraka li bontšitse hore tlhoekiso ea chloroform e ne e sa sebetse joalo ka tlhahlobo ea boraro ea pejana (eo hape e tlalehiloeng libukeng tsa lihlahisoa tsa New Millennium).
Ha ho le e 'ngoe ea liteko tseo re li bolelang mona (ha e le tlhahlobo ea rona kapa tlhahlobo ea Envirotek kapa tlhahlobo ea konteraka ea New Millennium ea Los Angeles County Laboratory) e kopanang le liteko tse thata tsa NSF/ANSI.Haholo-holo, NSF/ANSI e ne e hloka hore mofuta oa sefe se sebelisoang ke Berkey o tlameha ho fetisa matla a lekantsoeng habeli a sefe eo metsi a litšila a lekantsoeng ka eona pele a nka litekanyo.Le hoja liteko tsohle tseo re li etsang konteraka le New Millennium, ho ea ka tsebo ea rona, ka botlalo le ka setsebi, e 'ngoe le e' ngoe e sebelisa protocol ea eona, e sa sebetseng haholo.Kaha ha ho le e 'ngoe ea liteko e ileng ea etsoa ho latela litekanyetso tse feletseng tsa NSF / ANSI, ha re na mokhoa o hlakileng oa ho bapisa liphetho ka nepo kapa ho bapisa ts'ebetso e akaretsang ea sefahla sa Burkey ho seo re se lekileng nakong e fetileng.
Sebaka se seng seo e mong le e mong a ileng a lumela ho sona e ne e le ho ntša loto metsing a nooang, e leng se ileng sa bontša hore Big Berkey e entse mosebetsi o motle oa ho ntša litšepe tse boima.Kahoo haeba u na le bothata bo tsejoang ka loto kapa litšepe tse ling metsing a hau, ho ka ba molemo ho sheba Big Berks e le mohato oa nakoana.
Ntle le bothata ba ho bapisa liphetho tsa laboratori tse hanyetsanang, New Millennium Concepts ha ea ka ea arabela likōpo tse ngata tsa lipuisano ho buisana ka liphuputso tsa rona.Ka kakaretso, litlaleho tsa rona li re fa kutloisiso e hlakileng ea litsamaiso tsa Berkey, ho seng joalo ka bahlahisi ba bang ba bangata ba lifilimi.
Bakeng sa tlhoekiso ea letsatsi le letsatsi ea metsi, linkho tse ngata tse netefalitsoeng tsa NSF/ANSI le lihloela tse ka tlas'a sinki li nyane, li bonolo haholoanyane, li theko e tlase ho reka le ho li hlokomela, 'me ho bonolo ho li sebelisa.Li boetse li fana ka boikarabello bo amanang le tlhahlobo e ikemetseng le e hlakileng.
Hopola hore litsamaiso tse ngata tsa metsi a masepala li bolokehile ka tlhaho, ka hona ntle le haeba u tseba hore ho na le bothata sebakeng sa heno, mohlomong u ke ke ua hloka ho sefa ka mabaka a bophelo.Haeba ho itokisetsa maemo a tšohanyetso e le ntho e u tšoenyang haholo, nahana ka malebela a tataiso ea rona ea ho itokisetsa maemo a tšohanyetso, e kenyelletsang lihlahisoa le malebela a ho boloka metsi a hloekileng a fumaneha.
Ho tloha ka 2016, ke hlokometse tataiso ea rona ea li-filters tsa metsi, ho kenyelletsa le li-pitcher le litsamaiso tse ka tlas'a sink.John Holecek ke mofuputsi oa mehleng oa NOAA ea 'nileng a etsa tlhahlobo ea boleng ba moea le metsi bakeng sa rona ho tloha 2014. O ile a hlahisa litharollo tsa liteko 'me a sebetsa le li-laboratory tse ikemetseng molemong oa Wirecutter ho ngola tataiso ena le tataiso ea filthara ea pitcher.EnviroMatrix Analytical e ngolisitsoe ka molao ke Lefapha la Bophelo bo Botle la California ho etsa tlhahlobo ea metsi a nooang khafetsa.
Litsamaiso tse kholo tsa ho hloekisa Berkey le mekhoa e tšoanang e tsoang Alexapure le ProOne (eo pele e neng e le Propur) e tumme har'a batho ba itšetlehileng ka metsi a seliba, a ka 'nang a e-na le litšila tse neng li ka tlosoa ke limela tsa ho hloekisa metsi tsa masepala.Burkey e boetse e na le balateli ba bangata har'a litsebi tsa ho itokisetsa likoluoa ​​​​le babelaeli ba mmuso.1 Bahoebi ba Berkey ba phatlalatsa litsamaiso tsena e le lisebelisoa tsa ts'ireletso ea tšohanyetso, 'me ho latela likhakanyo tse ling ba ka fana ka metsi a nooang a tlhotliloeng ho batho ba ka bang 170 ka letsatsi.
Ho sa tsotellehe hore na lebaka ke lefe la thahasello ea hau ho Berkey kapa tsamaiso leha e le efe ea ho hloekisa metsi, re tlameha ho hatisa hore metsi a mangata a masepala United States a hloekile haholo ho qala.Ha ho sefe se ka tlosang litšila tse seng li le sieo, ka hona ntle le haeba u na le bothata bo tsejoang, mohlomong u ke ke ua hloka sefe ho hang.
Baetsi ba Big Berkey ba bolela hore sesebelisoa se ka tlosa litšila tse fetang lekholo (tse ngata ho feta sefe kapa sefe se feptjoang ka matla a khoheli seo re se hlahlobileng).Kaha sefe sena ha sea netefatsoa ke NSF/ANSI (ho fapana le lihloela tse ling tseo re li khothaletsang ho litataiso tse ling), ha re na motheo o tiileng oa ho se bapisa le lihloela tse ling tseo re li lekileng nakong e fetileng.Kahoo re nkile qeto ea ho etsa liteko tse ikemetseng ho leka ho pheta tse ling tsa liphetho tsena.
Ho leka liqoso tsena, joalo ka tlhahlobo ea canister, John Holecek o ile a lokisa seo a se bitsitseng "tharollo ea mathata" mme a li tsamaisa ka sistimi e kholo ea Berkey (e nang le sefahla sa Black Berkey).Eaba o romela lisampole tsa tharollo le metsi a tlhotliloeng ho EnviroMatrix Analytical, laboratori e ikemetseng e ngolisitsoeng ka molao ke Naha ea California, bakeng sa tlhahlobo.E le ho etsa teko ea Big Burkey, o ile a lokisetsa litharollo tse peli: e ’ngoe e na le loto e ngata e qhibilihisitsoeng, e ’ngoe e e-na le chloroform.Ba tla fana ka mohopolo oa katleho e akaretsang ea filthara mabapi le litšepe tse boima le metsoako ea manyolo.
John o lokiselitse lisampole tsa taolo ho kopana kapa ho feta likhakanyo tsa litšila tse boletsoeng ho setifikeiti sa NSF/ANSI (150 µg/L bakeng sa loto le 300 µg/L bakeng sa chloroform).Ho ea ka teko ea dae ea Berkey (video), ka mor'a ho tiisa hore filthara e kentsoe le ho sebetsa ka nepo, o ile a matha gallon ea tharollo e silafetseng ka Berkey mme a lahla filtrate (metsi le ntho leha e le efe e fetang ka har'a sefa).Ho lekanya tharollo e silafetseng, o ile a sefa kakaretso ea lilithara tse peli tsa metsi ka Burkey, a tlosa sampole ea taolo ho tloha galone ea bobeli, 'me a bokella lisampole tse peli tsa tlhahlobo ea filtrate ho eona.Lisampole tsa taolo le tsa leachate li ile tsa romeloa ho EnviroMatrix Analytical bakeng sa tlhahlobo.Hobane chloroform e fetoha mouoane haholo 'me e "batla" ho fetoha mouoane le ho kopana le metsoako e meng e teng, John o kopanya chloroform ka har'a motsoako o silafatsang pele e sefa.
EnviroMatrix Analytical e sebelisa khase ea chromatography-mass spectrometry (GC-MS) ho metha chloroform le metsoako efe kapa efe e fetohang ea tlhaho (kapa VOCs).Likahare tse etellang pele li ile tsa lekanyetsoa ho sebelisoa plasma mass spectrometry (ICP-MS) e kopantsoeng ka inductively ho latela EPA Method 200.8.
Liphetho tsa EnviroMatrix Analytical li hanana hanyane ebile li tšehetsa liqoso tsa New Millennium.Li-filters tse ntšo tsa Berkey ha li sebetse hantle ho tlosa chloroform.Ka lehlakoreng le leng, ba etsa mosebetsi o motle haholo oa ho fokotsa loto.(Sheba karolo e latelang bakeng sa liphetho tse felletseng.)
Re arolelane liphetho tsa rona tsa laboratoring le Jamie Young, setsebi sa k'hemistri le monga/mosebetsi oa laboratori ea tlhahlobo ea metsi e nang le laesense ea New Jersey (eo ka nako eo e neng e tsejoa e le Envirotek) e laoloang ke New Millennium Concepts (moetsi oa sistimi e kholo ea Berkey) e laetsoeng ka 2014. tlhahlobo ea hau.Ena ke sefe ea Black Berkey.2 Bacha ba netefalitse seo re se fumaneng ka chloroform le lead.
New Millennium e fane ka liteko tse ling nakong e fetileng, ho kenyelletsa le e 'ngoe ea 2012 e entsoeng ke Los Angeles County Agricultural Commissioner/Lefapha la Boima le Mehato Laboratory ea Toxicology ea Tikoloho;tlalehong ena, chloroform (PDF) e hlile e thathamisitsoe e le Black Berkey ho latela litekanyetso tsa lefapha (EPA, eseng e 'ngoe ea litšila tse tlositsoeng ke NSF/ANSI).Kamora ho etsa liteko ka 2012, mosebetsi oa toxicology o ile oa fetisetsoa Lefapheng la Bophelo la Sechaba la Los Angeles.Re ikopanye le DPH mme ba netefalitse hore tlaleho ea mantlha e nepahetse.Empa New Millennium e hlalositse tlhahlobo ea Young e le "potoloho ea morao-rao" 'me liphetho tsa hae ke tsa morao-rao tse thathamisitsoeng ho Birkey Water Knowledge Base, eo New Millennium e e bolokang ho thathamisa liphetho tsa liteko le ho araba lipotso tse atisang ho botsoa webosaeteng e ikemetseng.
Liteko tsa liteko tsa Wirecutter, Young le Los Angeles County ha li lumellane.'Me kaha ha ho le e' ngoe ea tsona e finyellang litekanyetso tsa NSF/ANSI, ha re na motheo o tloaelehileng oa ho bapisa liphetho.
Ka hona, maikutlo a rona ka kakaretso a tsamaiso ea Big Berkey ha a itšetlehe haholo ka liphello tsa liteko tsa rona.The Big Berkey e bonolo ka ho lekaneng ho e sebelisa ebile e theko e tlaase hoo re khothaletsang sefahla sa kamehla se feptjoang ka matla a khoheli bakeng sa babali ba bangata, leha Berkey e etsa ntho e 'ngoe le e 'ngoe New Millennium e reng e ka e etsa e le sefe.
Re boetse re bula li-filters tse 'maloa tsa Black Berkey ho bona hore na li hahiloe joang le ho fumana bopaki ba hore li na le "bonyane" likarolo tse tšeletseng tse fapaneng, joalo ka ha lefapha la papatso la Berkey le bolela.Re fumane hore le ha filthara ea Berkey e le kholoanyane ebile e teteane ho feta lihloela tsa Brita le 3M Filtrete, li bonahala li na le mochini o ts'oanang oa ho sefa: khabone e kentsoeng e kentsoeng ka resin ea ion exchange.
Sistimi ea ho sefa ea Berkey e oela sehlopheng se seholo sa lihloela tse feptjoang ka matla a khoheli.Lisebelisoa tsena tse bonolo li sebelisa matla a khoheli ho hula metsi a mohloli phaposing e ka holimo ka sefe e ntle ea letlooeng;metsi a hloekisitsoeng a bokelloa ka kamoreng e ka tlaase 'me a ka ajoa ho tloha moo.Ena ke mokhoa o atlehang le o sebelisoang haholo, oo li-filters tsa canister e leng mohlala o tloaelehileng.
Lisefe tsa Berkey li sebetsa hantle haholo ho phekoleng metsi a nooang a silafalitsoeng ke loto.Tekong ea rona, ba ile ba fokotsa maemo a lead ho tloha ho 170 µg/L ho ea ho 0.12 µg/L feela, e fetang hole tlhoko ea setifikeiti sa NSF/ANSI ea ho fokotsa maemo a lead ho tloha ho 150 µg/L ho ea ho 10 µg/L kapa tlase.
Empa litekong tsa rona ka chloroform, sefe ea Black Berkey ha e sebetse hantle, e fokotsa litaba tsa chloroform tsa sampole ea tlhahlobo ka 13% feela, ho tloha ho 150 µg/L ho isa 130 µg/L.NSF/ANSI e hloka phokotso ea 95% ho tloha ho 300 µg/L ho isa ho 15 µg/L kapa ka tlase ho moo.(Tharollo ea rona ea teko e ne e lokiselitsoe ho maemo a NSF/ANSI a 300 µg/L, empa ho feto-fetoha ha chloroform ho bolela hore e potlakela ho etsa metsoako e mecha kapa e fetoha mouoane, kahoo mahloriso a eona a theohela ho 150 µg/L ha e lekoa. Empa tlhahlobo ea EnviroMatrix Analytical le eona ho hapa (metsoako e meng e feto-fetohang eo chloroform e ka e hlahisang, kahoo re lumela hore liphetho li nepahetse.) Jamie Young, moenjiniere ea nang le tumello ea ho hlahloba metsi ho tloha New Jersey ea entseng tlhahlobo ea morao-rao ea New Millennium Concepts, le eena o sebelitse hampe ka chloroform e tsoang ho Black. Sefahla sa Berkey
Leha ho le joalo, New Millennium Concepts e bolela ka lebokoseng la filthara hore filthara ea Black Berkey e fokotsa chloroform ka 99.8% ho "tlasa meeli e ka bonoang ea laboratori."(Palo ena e bonahala e ipapisitse le liphetho tsa liteko tse entsoeng ke Los Angeles County Laboratory ka 2012. Liphetho tsa liteko [PDF] li fumaneha setsing sa tsebo sa Berkey Water, se hokahaneng le (empa e se karolo ea) sebaka se seholo sa Berkey.)
Ho hlakisa, le rona, Envirotek, kapa Setereke sa Los Angeles ha re so ka ra pheta protocol eohle ea NSF/ANSI Standard 53 e sebelisetsoang lihloela tsa matla a khoheli joalo ka Black Berkey.
Tabeng ea rona, re ile ra etsa tlhahlobo ea laboratori ka mor'a hore Black Berkeys e sefe lilithara tse 'maloa tsa tharollo e lokiselitsoeng ho NSF / ANSI.Empa setifikeiti sa NSF/ANSI se hloka li-filters tse feptjoang ka matla a khoheli ho mamella matla a phallo e lekantsoeng habeli pele ho tlhahlobo.Bakeng sa sefe ea Black Berkey, seo se bolela lilithara tse 6,000.
Joalo ka rona, Jamie Young o lokiselitse tharollo ea liteko ho NSF/ANSI Standard 53, empa ha ea ka ea feta ho protocol e felletseng ea 53, e neng e hloka lilithara tse 6,000 tsa tharollo e silafatsang e sebelisoang ke Black Berries ho feta sefeneng.O ile a tlaleha hore litekong tsa hae filthara e boetse e sebetsa hantle ka loto, e ileng ea tiisa seo re se fumaneng.Leha ho le joalo, o ile a re ha ba sa kopana le litekanyetso tsa ho tlosa NSF ka mor'a ho sefa li-gallon tse ka bang 1,100-e leng karolo e ka holimo ho karolo ea boraro feela ea nako ea bophelo ea New Millennium ea 3,000-gallon bakeng sa li-filters tsa Black Berkey.
Los Angeles County e latela protocol e arohaneng ea EPA eo ho eona sampuli e le 'ngoe feela ea 2-liter ea tharollo ea sampole e fetang sefeneng.Ho fapana le rona le Bacha, setereke se fumane hore sefahla sa Black Berkey se tlositse chloroform ho litekanyetso tsa liteko, ntlheng ena e kholo ho feta 99.8%, ho tloha ho 250 µg/L ho isa tlase ho 0.5 µg/L.
Liphetho tse sa tsitsang tsa liteko tsa rona ha li bapisoa le tse tsoang lilaboratoring tse peli tse laetsoeng ke Burkey li etsa hore re be leqe ho khothaletsa sefate sena, haholo ha u ka fumana likhetho tse ling tse netefalitsoeng tse sebetsanang le lipotso tsena kaofela tse bulehileng.
Ka kakaretso, boiphihlelo ba rona ba liteko bo tšehetsa boemo ba rona: re khothaletsa lihloela tsa metsi tse nang le setifikeiti sa NSF/ANSI, athe Berkey ha a na setifikeiti se joalo.Lebaka ke hobane maemo a setifikeiti sa NSF/ANSI a thata haholo ebile a hlakile: mang kapa mang a ka a bala webosaeteng ea NSF.Lilaboratori tse ikemetseng tse amohetsoeng bakeng sa tlhahlobo ea setifikeiti sa NSF/ANSI ka botsona ke tse ngolisitsoeng ka molao.Ha re ngola ka tataiso ena, re buile le NSF mme ra ithuta hore ho tla bitsa chelete e fetang $ 1 milione ho etsa tlhahlobo ea setifikeiti ea lintho tsohle tseo New Millennium Concepts e reng sefahla sa Black Berkey se tlose.New Millennium e re e lumela hore setifikeiti sa NSF ha se hlokahale, a bolela litšenyehelo e le lebaka le leng leo e so kang e etsa liteko.
Empa ho sa tsotelehe ts'ebetso ea 'nete ea ho sefa, ho na le mathata a lekaneng ka sefe sena hoo ho leng bonolo ho rona ho khothaletsa e' ngoe ea likhetho tsa rona tsa sefa metsi pele re khothaletsa Big Berkey.Taba ea pele, sistimi ea Berkey e theko e boima haholo ho e reka le ho e hlokomela ho feta sefe kapa sefe seo re se khothaletsang.Ho fapana le li-filters tseo re li khothaletsang, Berkey e kholo ebile e ntle.E etselitsoe hore e behoe holim'a letlapa.Empa kaha e bolelele ba lisenthimithara tse 19, e ke ke ea lekana ka tlas'a lik'habote tse ngata tsa marako, tseo hangata li kentsoeng ka lisenthimithara tse 18 ka holim'a countertop.Berkey e boetse e telele haholo hore e ka lekana litlhophiso tse ngata tsa sehatsetsi.Ka tsela ena, ha u na monyetla oa ho boloka metsi a Berkey a bata (e leng ntho e bonolo ho e etsa ka khetho ea mosesisi oa rona ka sefe).New Millennium Concepts e fana ka bracket ea 5-inch ho etsa hore ho be bonolo ho beha likhalase tlas'a peipi e kholo ea Berkey, empa li-brackets tsena li bitsa chelete e ngata 'me li eketsa bophahamo ho yuniti e seng e le telele.
Mongoli e mong oa Wirecutter eo e kileng ea e-ba mong’a Big Berkey o ile a ngola ka phihlelo ea hae: “Kantle ho ’nete ea hore sesebelisoa sena se seholo ka mokhoa o phoqang, tanka e ka holimo e ka tlala habonolo haeba u lebala ho tšolla tanka e ka tlaase.e boima hanyane mme e le ngata mme e qala ho sefa hanghang.Kahoo u tla tlameha ho e phahamisetsa holimo ho etsa sebaka bakeng sa sefe ea khabone (e telele ebile e le bobebe) ebe u e kenya ka sinking e ka tlase pele e qala ho lutla fatše kapa k'haontareng.“
Mohlophisi e mong oa Wirecutter o ne a e-na le Big Berkey (e nang le filthara ea ceramic e ka nkeloang sebaka) empa kapele a emisa ho e sebelisa.O re: “E ne e le mpho e tsoang ho molekane oa ka hobane ke ile ka bona e ’ngoe ha motsoalle oa ka ’me ka nahana hore metsi a tsoang a ne a latsoeha e le kannete.“Ho lula le motho e mong e ne e le taba e fapaneng ka ho feletseng.Sebaka sa li-countertop, tse tšekaletseng le tse theohileng, se ne se le seholo ebile se le thata.’Me sinki ea kichineng eo re neng re lula ho eona e ne e le nyenyane hoo e neng e le mosebetsi o boima ho e hloekisa.”
Re boetse re bona beng ba bangata ba tletleba ka algae le kholo ea libaktheria, 'me hangata, li-mucus ho Great Berkies ea bona.New Millenium Concepts e lemoha bothata bona mme e khothaletsa ho kenyelletsa Berkey Biofilm Drops ho metsi a tlhotliloeng.Ena ke taba e tebileng hoo barekisi ba bangata ba Berkey ba faneng ka leqephe lohle ho eona.
Bahoebi ba bangata ba lumela hore kholo ea baktheria e ka ba bothata, empa hangata ba bolela hore e tla hlaha ka mor'a lilemo tse 'maloa tsa tšebeliso, empa ha ho joalo ka bahlophisi ba rona.O ile a re: "E qalile ka nako e ka tlase ho selemo.“Metsi a na le tatso ea seretse, ’me likamore tse ka holimo le tse ka tlaase li qala ho nkha lerata.Ke e hloekisa ka botlalo, ke hlatsoa li-filters ebe ke li tlosa ho ea fihla lihokelong tsohle tse nyane, 'me ke etsa bonnete ba hore ke hlatsoa bokahare ba faucet.Hoo e ka bang matsatsi a mabeli kapa a mararo.Ka mor'a matsatsi a seng makae monko oa metsi o ile oa fetoha o tloaelehileng 'me oa fetoha hlobo hape.Ke ile ka qetella ke emisa Birki ’me ka utloa bohloko.”
Ho tlosa algae le slime ea baktheria ka ho feletseng ho sefe ea Black Berkey, hloekisa bokaholimo ka Scotch-Brite, etsa se tšoanang bakeng sa matamo a holimo le a ka tlaase, 'me qetellong u tsamaise tharollo ea bleach ka sefe.E hloka tlhokomelo e ngata bakeng sa ntho e etselitsoeng ho etsa hore batho ba ikutloe ba sireletsehile ka metsi a bona.
Haeba u tsotella boitokisetso ba likoluoa ​​'me u batla ho etsa bonnete ba hore u na le metsi a hloekileng nakong ea maemo a tšohanyetso, re khothaletsa ho sebelisa lihlahisoa tsa polokelo ea metsi ho Tataiso ea rona ea Boitokisetso ba Tšohanyetso.Haeba u batla feela sesefe se setle sa metsi a pompo, re khothaletsa ho batla sefe se netefalitsoeng sa NSF/ANSI, joalo ka litataiso tsa rona ho Li-Pitchers tsa Metsi a Molemo ka ho Fetisisa a Tlas'a Sink Water.
Lisebelisoa tse ngata tsa matla a khoheli li sebelisa lisebelisoa tse peli tse fapaneng ho tlosa litšila metsing.Li-activated carbon adsorbs kapa lik'hemik'hale li tlama metsoako ea lintho tse phelang, ho kenyelletsa le mafura le lihlapolli tse thehiloeng petroleum, chefo e ngata e bolaeang likokoanyana le meriana e mengata.Li-resin tsa ion tsa phapanyetsano li tlosa litšepe tse ngata tse qhibilihisitsoeng metsing, li nkela litšepe tse boima tse chefo (tse kang loto, mercury le cadmium) ka litšepe tse boima tse bobebe, tseo boholo ba tsona li se nang kotsi (tse kang sodium, karolo e ka sehloohong ea letsoai la tafole).
Khetho ea rona ea li-pitcher filters (ho tloha Brita) le li-filters tse ka tlas'a sink (ho tloha 3M Filtrete) li entsoe ka tsela ena.New Millennium Concepts ha e senole hore na sefe ea Black Berkey e entsoe ka eng, empa barekisi ba 'maloa ba hlahisa moralo oa eona, ho kenyeletsoa TheBerkey.com: "Sefaele sa rona sa Black Berkey se entsoe ka motsoako oa mecha ea litaba e fetang tse tšeletseng.Foromo ena e na le mefuta e fapaneng, ho kenyeletsoa khabone ea boleng bo holimo ea coconut shell, kaofela e kentsoe ka har'a matrix e kopaneng e nang le lipores tse limilione tse nyane haholo."Ha re seha li-filters tse peli tsa Black Berkey, li ne li entsoe ka li-ion tse kenngoeng tse nang le li-block tsa khabone tse neng li fapanyetsana resin.Jamie Young o tiisa tlhokomeliso ena.
Tim Heffernan ke sengoli se phahameng se sebetsanang le boleng ba moea le metsi le matla a matla a lapeng.Motho ea kileng a kenya letsoho ho The Atlantic, Popular Mechanics le limakasine tse ling tsa naha, o ile a ikopanya le Wirecutter ka 2015. O na le libaesekele tse tharo le likoloi tsa zero.
Lisebelisoa tsena tsa metsi, li-pitcher le li-dispensers li netefalitsoe ho tlosa litšila le ho ntlafatsa boleng ba metsi a nooang ka tlung ea hau.
Ka mor'a ho hlahloba liliba tse 13 tsa metsi a liphoofolo tse ruuoang lapeng (le ho fetola e 'ngoe hore e be papali ea ho hlafuna), re ile ra fumana hore Seliba sa Lipalesa Tsa Cat se loketse likatse tse ngata (le lintja tse ling).
Wirecutter ke tšebeletso ea likhothaletso tsa sehlahisoa sa New York Times.Baqolotsi ba rona ba litaba ba kopanya lipatlisiso tse ikemetseng le (ka linako tse ling) liteko tse matla ho u thusa ho etsa qeto ea ho reka kapele le ka kholiseho.Hore na o batla lihlahisoa tsa boleng bo holimo kapa o batla likeletso tse ka u thusang, re tla u thusa ho fumana likarabo tse nepahetseng (khetlo la pele).