{"id":2755,"date":"2024-11-14T13:41:25","date_gmt":"2024-11-14T12:41:25","guid":{"rendered":"https:\/\/www.vodarenskepohlady.sk\/?p=2755"},"modified":"2025-04-03T13:58:12","modified_gmt":"2025-04-03T11:58:12","slug":"2755","status":"publish","type":"post","link":"https:\/\/www.vodarenskepohlady.sk\/?p=2755","title":{"rendered":"Ostro sledovan\u00e1 voda – 3\/2024"},"content":{"rendered":"\n

Kvalita a zdravotn\u00e1 bezpe\u010dnos\u0165 pitnej vody a d\u00f4sledn\u00e9 \u010distenie odpadov\u00fdch v\u00f4d pod drobnoh\u013eadom laborat\u00f3ri\u00ed<\/h2>\n\n\n\n

Jedn\u00fdmi z naj\u010d\u00edtanej\u0161\u00edch v ka\u017edom vydan\u00ed Vod\u00e1rensk\u00fdch poh\u013eadov s\u00fa pravideln\u00e9 \u010dl\u00e1nky zo seri\u00e1lu Ostro sledovan\u00e1 voda. S vod\u00e1rkou a chemi\u010dkou telom i du\u0161ou Ing. Nata\u0161ou Riganovou, ved\u00facou \u00fatvaru chemicko-technologick\u00fdch \u010dinnost\u00ed V\u00fdchodoslovenskej vod\u00e1renskej spolo\u010dnosti (VVS), a.s., Ko\u0161ice, vychyt\u00e1vame r\u00f4zne zauj\u00edmav\u00e9 t\u00e9my t\u00fdkaj\u00face sa vody a zv\u00e4\u010d\u0161a i samotn\u00fdch  vod\u00e1rov, predov\u0161etk\u00fdm v\u0161ak pracovn\u00edkov vodohospod\u00e1rskych laborat\u00f3ri\u00ed. T\u00e9my s\u00fa priamo i nepriamo spojen\u00e9 s kvalitou a zdravotnou bezpe\u010dnos\u0165ou pitnej vody alebo s d\u00f4kladn\u00fdm \u010disten\u00edm a odv\u00e1dzan\u00edm odpadovej vody do recipienta, ktor\u00fdm je spravidla rieka pretekaj\u00faca mestom. In\u017eiznierka Nata\u0161a Riganov\u00e1 (\u010falej len: N. Riganov\u00e1) je z\u00e1rove\u0148 odborn\u00fdm garantom cel\u00e9ho seri\u00e1lu.<\/strong><\/p>\n\n\n\n

Pri pr\u00edle\u017eitosti 20. v\u00fdro\u010dia Asoci\u00e1cie vod\u00e1rensk\u00fdch spolo\u010dnost\u00ed (AVS) prin\u00e1\u0161ame zostrih zo zauj\u00edmav\u00fdch t\u00e9m z \u010ditate\u013esky ob\u013e\u00fabenej Ostro sledovanej z uplynul\u00fdch rokov.<\/p>\n\n\n\n

V seri\u00e1li sme sa napr\u00edklad zaoberali t\u00fdm, \u017ee v zmysle novej eur\u00f3pskej legislat\u00edvy sa postupne bud\u00fa musie\u0165 z odpadov\u00fdch v\u00f4d odstra\u0148ova\u0165 aj mikroplasty. Je to \u0161irok\u00e1 skupina syntetick\u00fdch polym\u00e9rov – ide o drobn\u00e9 \u010dastice plastov v r\u00f4znych tvaroch (vr\u00e1tane vl\u00e1ken) vo ve\u013ekostiach r\u00e1dovo v mikrometroch a\u017e v nanometroch. Ich prim\u00e1rnym zdrojom je kozmetick\u00fd a farmaceutick\u00fd priemysel, kde s\u00fa prid\u00e1van\u00e9 do r\u00f4znych v\u00fdrobkov vr\u00e1tane zubn\u00fdch p\u00e1st a mikroplasty sa dokonca aplikuj\u00fa aj v oblasti modernej medic\u00edny! <\/p>\n\n\n\n

Av\u0161ak masov\u00e9 pou\u017eitie mikroplastov a sp\u00f4sob zaobch\u00e1dzania s nimi ovplyv\u0148uje \u017eivotn\u00e9 prostredie a zrejme i kvalitu vody. Ale to v\u0161etko je e\u0161te len v \u0161t\u00e1diu v\u00fdskumov. Napr\u00edklad t\u00edm Floridskej \u0161t\u00e1tnej univerzity (USA) pouk\u00e1zal na to, \u017ee m\u00f4\u017eu existova\u0165 d\u00f4le\u017eit\u00e9 korel\u00e1cie medzi mikroplastmi a najz\u00e1va\u017enej\u0161\u00edmi respira\u010dn\u00fdmi poruchami, ako s\u00fa z\u00e1pal p\u013e\u00fac, astma, rakovina p\u013e\u00fac \u010di fibr\u00f3za a z\u00e1rove\u0148 vyzval, aby sa vo v\u00fdskumoch pokra\u010dovalo \u010falej! K \u010fal\u0161iemu v\u00fdskumu mikroplastov a ich mo\u017en\u00fdch vplyvov na \u013eudsk\u00e9 zdravie vyzvala aj Svetov\u00e1 zdravotn\u00edcka organiz\u00e1cia (WHO) po\u017eaduj\u00faca obmedzenie plastov\u00e9ho zne\u010distenia v prospech \u017eivotn\u00e9ho prostredia a zn\u00ed\u017eenia vystavenia \u013eud\u00ed t\u00fdmto l\u00e1tkam.

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\nT\u00edm Floridskej \u0161t\u00e1tnej univerzity (USA) pouk\u00e1zal na to, \u017ee m\u00f4\u017eu existova\u0165 d\u00f4le\u017eit\u00e9 korel\u00e1cie medzi mikroplastmi a najz\u00e1va\u017enej\u0161\u00edmi respira\u010dn\u00fdmi poruchami, ako s\u00fa z\u00e1pal p\u013e\u00fac, astma, rakovina p\u013e\u00fac \u010di fibr\u00f3za a z\u00e1rove\u0148 vyzval, aby sa vo v\u00fdskumoch pokra\u010dovalo \u010falej!
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 Srdce a obli\u010dky<\/h3>\n\n\n\n

N. Riganov\u00e1:<\/strong> \u201eMy vod\u00e1ri, no a zdravotn\u00edci h\u00e1dam e\u0161te viac ne\u017e my vod\u00e1ri,  upozor\u0148uj\u00fa, \u017ee na ka\u017edodenn\u00fa konzum\u00e1ciu nie s\u00fa vhodn\u00e9 n\u00e1poje z obchodov s obsahom cukru, kofe\u00ednu, chin\u00ednu \u010di alkoholu. Ide\u00e1lna je pitn\u00e1 voda, mnoh\u00ed Slov\u00e1ci v\u0161ak radi siahaj\u00fa po miner\u00e1lkach. V\u0161eobecne sa ale odpor\u00fa\u010da, aby spotreba miner\u00e1lok s vy\u0161\u0161ou mineraliz\u00e1ciou neprekro\u010dila hranicu 30 a\u017e 50 percent z celkov\u00e9ho pr\u00edjmu tekut\u00edn za de\u0148. A navy\u0161e, miner\u00e1lky je vhodn\u00e9 strieda\u0165, ka\u017ed\u00e1 z nich toti\u017e obsahuje in\u00e9 l\u00e1tky!\u201c<\/em>

 Zvl\u00e1\u0161\u0165 ve\u013ek\u00fa opatrnos\u0165 pri v\u00fdbere a d\u00e1vkovan\u00ed miner\u00e1lnych v\u00f4d so zv\u00fd\u0161enou mineraliz\u00e1ciou je potrebn\u00e9 dodr\u017eiava\u0165 v detskom veku a u dospel\u00fdch s ochoreniami obli\u010diek a srdca. Ale pri pitnej vode z vodovodu \u017eiadne pr\u00edsne obmedzenia nie s\u00fa potrebn\u00e9!

Pitn\u00e1 voda ako kvalitn\u00fd n\u00e1poj na ka\u017edodenn\u00fa konzum\u00e1ciu obsahuje vyv\u00e1\u017een\u00e9 mno\u017estvo miner\u00e1lov potrebn\u00fdch pre \u013eudsk\u00fd organizmus, neza\u0165a\u017euje ho a tak ju mo\u017eno pi\u0165 fakticky neobmedzene! Je pravidelne kontrolovan\u00e1 a svoj\u00edm zlo\u017een\u00edm, najm\u00e4 vyv\u00e1\u017een\u00fdm pomerom v\u00e1pnika, hor\u010d\u00edka a \u010fal\u0161\u00edch miner\u00e1lnych l\u00e1tok je nielen vhodn\u00e1, ale priam prospe\u0161n\u00e1 pre na\u0161e zdravie.<\/p>\n\n\n\n

N. Riganov\u00e1:<\/strong> \u201e\u00c1no, pitn\u00e1 voda je odpor\u00fa\u010dan\u00e1 ako najlep\u0161ia forma pitn\u00e9ho re\u017eimu, m\u00e1 vlastnos\u0165 detoxikova\u0165 organizmus
a neza\u0165a\u017euje ani na\u0161e pe\u0148a\u017eenky. Preto by mala by\u0165 z\u00e1kladom pitn\u00e9ho re\u017eimu ka\u017ed\u00e9ho jedn\u00e9ho \u010dloveka! Teda nie miner\u00e1lne vody by mali by\u0165 z\u00e1kladom, ale voda z vodovodu!\u201c<\/em><\/p>\n\n\n\n

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\u010co hovoria baristi? <\/h3>\n\n\n\n

Dobr\u00e1 k\u00e1va je hotov\u00e1 veda a chu\u0165 k\u00e1vy ovplyv\u0148uje aj tvrdos\u0165 vody. P\u00fdtali sme sa, zhruba ko\u013eko stup\u0148ov m\u00e1 ma\u0165 prevaren\u00e1 voda pri zalievan\u00ed zrnkovej \u010di instantnej k\u00e1vy. V\u0161eobecne sa toti\u017e hovor\u00ed, \u017ee k\u00e1va sa nesmie zalieva\u0165 vriacou vodou, ale treba po\u010dka\u0165, k\u00fdm trochu vychladne. Ko\u013eko asi stup\u0148ov by teda voda mala ma\u0165 na pr\u00edpravu k\u00e1vy a pre\u010do? <\/p>\n\n\n\n

N. Riganov\u00e1:<\/strong>  \u201eTo je ot\u00e1zka , ktor\u00e1 by mala by\u0165 smerovan\u00e1 sk\u00f4r na baristu. (Smiech.) Av\u0161ak z dostupn\u00fdch zdrojov, kde bol napr\u00edklad realizovan\u00fd v\u00fdskum sk\u00fasen\u00fdmi degust\u00e1tormi k\u00e1vy na Kansaskej \u0161t\u00e1tnej univerzite (USA) vyplynulo, \u017ee celkovo najide\u00e1lnej\u0161ia teplota vody pri zalievan\u00ed k\u00e1vy je 70 \u00b0C , a to najm\u00e4 pre t\u00fdch, ktor\u00ed ob\u013eubuj\u00fa siln\u00fa k\u00e1vu. Ale v\u00fdskumy zameran\u00e9 na sk\u00famanie tejto problematiky v minulosti priniesli v\u00fdsledky, ktor\u00e9 sa nezhoduj\u00fa s t\u00fdm, \u010do tvrdia kansask\u00ed vedci. Pod\u013ea niektor\u00fdch zisten\u00ed by teplota vody pri zalievan\u00ed k\u00e1vy mala ma\u0165 od 82,2 po 85 \u00b0C. Existuj\u00fa aj odpor\u00fa\u010dania, \u017ee by voda nemala ma\u0165 viac ako  70 stup\u0148ov a v z\u00e1vislosti od druhu k\u00e1vy sa m\u00f4\u017ee zalieva\u0165 hoci aj len 50-stup\u0148ovou vodou!\u201c <\/em><\/p>\n\n\n\n

Ale  \u010do na to hovoria baristi? – dom\u0155zali sme \u010falej.<\/p>\n\n\n\n

N. Riganov\u00e1: <\/strong>\u201ePod\u013ea profesion\u00e1lnych baristov je na uvo\u013enenie v\u0161etk\u00fdch po\u017eadovan\u00fdch l\u00e1tok potrebn\u00e1 voda s teplotou okolo 90 \u00b0C. To je teplota, ktor\u00fa by mala ma\u0165 voda pri kontakte so zrnkovou k\u00e1vou. Samotn\u00e1 \u010derstvo uvaren\u00e1 k\u00e1va by mala ma\u0165 v \u0161\u00e1lke cca 84 a\u017e 87 \u00b0C. Ak by sme to zhrnuli, mo\u017eno v\u0161eobecne poveda\u0165, \u017ee k\u00e1va by sa nemala pripravova\u0165 z vriacej vody. Ale ako pripravi\u0165 naozaj dobr\u00fa k\u00e1vu, to je hotov\u00e1 veda, preto\u017ee do hry vstupuje mno\u017estvo \u010fal\u0161\u00edch faktorov (tvrdos\u0165 vody, zna\u010dka k\u00e1vy, mletie, sp\u00f4sob pr\u00edpravy a podobne), ktor\u00e9 v\u00fdrazne ovplyv\u0148uj\u00fa kvalitu a chu\u0165 k\u00e1vy!\u201c<\/em><\/p>\n\n\n\n

Doj\u010dence, jedin\u00e1 v\u00fdnimka!<\/h3>\n\n\n\n

Nie je e\u0161te tak d\u00e1vno, \u010do na pr\u00edpravu mlie\u010dnej stravy do f\u013ea\u0161iek pre doj\u010dence sa odpor\u00fa\u010dalo necha\u0165 vodu z vodovodu dlho, opakovane a d\u00f4kladne aj viackr\u00e1t prev\u00e1ra\u0165. Dnes sa od toho na\u0161\u0165astie u\u017e ustupuje. A tak sme sa v Ostro sledovanej zaoberali t\u00fdm, \u010d\u00ed na pr\u00edpravu stravy pre t\u00fdch najmen\u0161\u00edch sta\u010d\u00ed prevaren\u00e1 voda z verejn\u00e9ho vodovodu alebo s\u00fa na pr\u00edpravu stravy pre doj\u010dence potrebn\u00e9 \u0161peci\u00e1lne balen\u00e9 vody?<\/p>\n\n\n\n

N. Riganov\u00e1:<\/strong> \u201ePre pr\u00edpravu stravy pre t\u00fdch najmen\u0161\u00edch platia krit\u00e9ri\u00e1 kvality doj\u010denskej vody, ktor\u00e9 stanovuje Potravinov\u00fd k\u00f3dex, v ktorom s\u00fa niektor\u00e9 ukazovatele celkom logicky pr\u00edsnej\u0161ie ako krit\u00e9ri\u00e1 pre kvalitu pitnej vody. V zmysle legislat\u00edvnych predpisov, ktor\u00e9 stanovuj\u00fa limity kvality pitnej vody (vyhl\u00e1\u0161ka MZ SR \u010d. 91\/2023 Z.z.) je pre pitn\u00fa vodu najvy\u0161\u0161ia medzn\u00e1 hodnota obsahu dusi\u010dnanov maxim\u00e1lne 50 miligramov na liter (mg\/l), pri\u010dom pre doj\u010dence povo\u013euje Potravinov\u00fd k\u00f3dex maxim\u00e1lne 10 mg\/l, a pre dusitany je najvy\u0161\u0161ia medzn\u00e1 hodnota 0,5mg\/l, av\u0161ak u doj\u010diat je to len 0,1 mg\/l.\u201c <\/em>
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\nVarom vody sa mno\u017estvo – koncentr\u00e1cia dusi\u010dnanov ani dusitanov nie\u017ee nezn\u00ed\u017ei, ale dokonca sa e\u0161te zv\u00fd\u0161i, ke\u010f\u017ee objem vody sa varom zmen\u0161\u00ed, ale dusi\u010dnany a dusitany tam zost\u00e1vaj\u00fa!
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A d\u00f4vod? – op\u00fdtali sme sa.<\/p>\n\n\n\n

N. Riganov\u00e1:<\/strong> \u201eD\u00f4vodom pre\u010do je pre doj\u010dence konzum\u00e1cia dusitanov a dusi\u010dnanov nad limit stanoven\u00fd Potravinov\u00fdm k\u00f3dexom \u017eivotu nebezpe\u010dn\u00e1 je to, \u017ee \u013eahko m\u00f4\u017ee d\u00f4js\u0165 k poruche okysli\u010dovania tkan\u00edv a k uduseniu. \u010casto sa stret\u00e1vam s n\u00e1zorom, \u017ee dusi\u010dnany a dusitany je mo\u017en\u00e9 redukova\u0165 d\u00f4kladn\u00fdm prevaren\u00edm pitnej vody. Nie je to pravda! A preto mus\u00edm opakovane zd\u00f4razni\u0165, \u017ee varom vody sa mno\u017estvo – koncentr\u00e1cia dusi\u010dnanov ani dusitanov nie\u017ee nezn\u00ed\u017ei, ale dokonca sa e\u0161te zv\u00fd\u0161i, ke\u010f\u017ee objem vody sa varom zmen\u0161\u00ed, ale dusi\u010dnany a dusitany tam zost\u00e1vaj\u00fa!\u201c<\/em><\/p>\n\n\n\n

A ak to v\u0161etko zhrnieme z poh\u013eadu sk\u00fasenej vod\u00e1rky?<\/p>\n\n\n\n

N. Riganov\u00e1:<\/strong> \u201eAko zanieten\u00e1 vod\u00e1rka s dlhoro\u010dnou praxou cel\u00fd svoj \u017eivot propagujem pitn\u00fa vodu ako najzdrav\u0161\u00ed n\u00e1poj. Av\u0161ak u t\u00fdch najmen\u0161\u00edch – u doj\u010diat jednozna\u010dne odpor\u00fa\u010dam na pr\u00edpravu stravy a n\u00e1pojov \u0161peci\u00e1lne balen\u00e9 vody pre doj\u010dence. \u00c1 to pr\u00e1ve pre n\u00edzky obsah dusi\u010dnanov a dusitanov. Ale to je jedin\u00e1 v\u00fdnimka! Pre v\u0161etk\u00fdch ostatn\u00fdch odpor\u00fa\u010dam ako zdrav\u00fd n\u00e1poj jedine vodu z verejn\u00e9ho vodovodu, kde je z\u00e1ruka jej zdravotnej bezpe\u010dnosti a ktorej kvalitu pravidelne monitoruj\u00fa v\u0161etky vod\u00e1rensk\u00e9 spolo\u010dnosti na Slovensku. Je presne tak\u00e1, ak\u00fa potrebuje \u013eudsk\u00fd organizmus, je svie\u017ea, zdrav\u00e1 a perfektne zah\u00e1\u0148a sm\u00e4d! Na rozdiel od balen\u00fdch v\u00f4d, ktor\u00e9 pre bublinky (oxid uhli\u010dit\u00fd), alebo pre jednostranne vysok\u00fd obsah niektor\u00fdch miner\u00e1lnych l\u00e1tok \u010di pre sladidl\u00e1, farbiv\u00e1 a r\u00f4zne ochucovadl\u00e1 len zbyto\u010dne \u017ea\u0165a\u017euj\u00fa \u013eudsk\u00fd organizmus. Nie, naozaj niet nad vodu z vodovodu!\u201c<\/em><\/p>\n\n\n\n

Pr\u00edli\u0161 slab\u00fd mot\u00edv<\/h3>\n\n\n\n

Konzum\u00e1cia ak\u00fdchko\u013evek balen\u00fdch v\u00f4d z obchodu  – bez oh\u013eadu na to, \u010di ide o miner\u00e1lne vody alebo napr\u00edklad o sladkast\u00e9 n\u00e1poje kolov\u00e9ho typu – v\u017edy so sebou prin\u00e1\u0161a zne\u010dis\u0165ovanie pr\u00edrody! Bratislavsk\u00e1 vod\u00e1rensk\u00e1 spolo\u010dnos\u0165 (BVS) a.s. pred \u010dasom zistila a verejne upozornila, \u017ee napriek sp\u00e4tn\u00e9mu v\u00fdkupu na recykl\u00e1ciu, tony plastov\u00fdch flia\u0161 na\u010falej kon\u010dia v slovenskej pr\u00edrode, v na\u0161ich kr\u00e1snych lesoch! \u201eNajekologickej\u0161\u00ed sp\u00f4sob dod\u00e1vania pitnej vody je potrub\u00edm. Na rozdiel od plastov\u00fdch flia\u0161, ktor\u00e9 s\u00fa v\u00e4\u010d\u0161inou ur\u010den\u00e9 na jedno pou\u017eitie, potrubia vydr\u017eia cel\u00e9 desa\u0165ro\u010dia!\u201c – zd\u00f4raz\u0148uj\u00fa vod\u00e1ri z Bratislavy.<\/p>\n\n\n\n

Uk\u00e1zalo sa, \u017ee 15 centov za jednu odk\u00fapen\u00fa f\u013ea\u0161u nie je ve\u013emi siln\u00fd mot\u00edv!<\/p>\n\n\n\n

Odborn\u00e9ho garanta seri\u00e1lu Ostro sledovan\u00e1 voda sme sa op\u00fdtali, ako v\u0161elijako tie pohoden\u00e9 tis\u00edce a tis\u00edce plastov\u00fdch flia\u0161 v pr\u00edrode m\u00f4\u017eu ohrozova\u0165 kvalitu a bezpe\u010dnos\u0165 pitnej vody a pre\u010do ich treba odovzd\u00e1va\u0165 do v\u00fdkupu?<\/p>\n\n\n\n

N. Riganov\u00e1:<\/strong> \u201eTreba ich odovzd\u00e1va\u0165 a t\u00fdm zamedzi\u0165 zne\u010dis\u0165ovaniu \u017eivotn\u00e9ho prostredia a z\u00e1rove\u0148 obmedzi\u0165 riziko kontamin\u00e1cie zdrojov pitnej vody. Ide o mechanick\u00fa alebo chemick\u00fa degrad\u00e1ciu plastov ich starnut\u00edm, v d\u00f4sledku poveternostn\u00fdch vplyvov sa tie plasty rozkladaj\u00fa na mno\u017estvo mikro\u010dast\u00edc a naru\u0161en\u00edm stability materi\u00e1lu m\u00f4\u017ee doch\u00e1dza\u0165 k l\u00fahovaniu do vodn\u00e9ho prostredia.\u201c<\/em><\/p>\n\n\n\n

\u00c1no, najzdrav\u0161\u00edm a z\u00e1rove\u0148 aj najekologickej\u0161\u00edm n\u00e1pojom je pitn\u00e1 voda z vodovodu. <\/p>\n\n\n\n

N. Riganov\u00e1:<\/strong> \u201eNa rozdiel od v\u0161etk\u00fdch typov balen\u00fdch v\u00f4d jej m\u00f4\u017eeme pi\u0165, ko\u013eko n\u00e1m len hrdlo r\u00e1\u010di! Pri balen\u00fdch vod\u00e1ch v\u0161ak mus\u00edme by\u0165 opatrn\u00ed a nesmieme ich pi\u0165 neobmedzene! A nad realitou, \u017ee na pitie balen\u00fdch v\u00f4d z obchodu napriek sp\u00e4tn\u00e9mu v\u00fdkupu plastov\u00fdch flia\u0161 na\u010falej kruto dopl\u00e1ca slovensk\u00e1 pr\u00edroda, by sme o\u010di zatv\u00e1ra\u0165 nemali! Pr\u00edroda je len jedna. Nov\u00fa v obchode nek\u00fapime!\u201c<\/em><\/p>\n\n\n\n

Hroz\u00ed vzdu\u0161n\u00e1 kontamin\u00e1cia?<\/h3>\n\n\n\n


Mnoh\u00ed z n\u00e1s si r\u00e1no, ke\u010f sa chystaj\u00fa do pr\u00e1ce, nap\u00fa\u0161\u0165aj\u00fa vodu do poh\u00e1ra, aby sa e\u0161te napili tesne pred odchodom z domu. Vtom ale pozr\u00fa na hodiny a u\u017e aj utekaj\u00fa! Poh\u00e1r s vodou zostal nedotknut\u00fd na stole. Povedzme po \u00f4smich – deviatich hodin\u00e1ch pr\u00eddeme z pr\u00e1ce domov a je tu dilema: M\u00f4\u017eeme sa napi\u0165 tej vody, ktor\u00e1 tak dlho st\u00e1la v poh\u00e1ri na stole? Alebo ju rad\u0161ej vylia\u0165 \u010di polia\u0165 \u0148ou mu\u0161k\u00e1ty na okne? A ozaj, ako kvalitu a zdravotn\u00fa bezpe\u010dnos\u0165 vody, ktor\u00e1 st\u00e1la nieko\u013eko hod\u00edn v poh\u00e1ri na stole, ovplyv\u0148uje to, \u010di je leto alebo zima, a ak je zima, \u010di je dan\u00e1 miestnos\u0165 vykurovan\u00e1 a \u010di na ten poh\u00e1r s vodou priamo svietilo slnko?<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

N. Riganov\u00e1:<\/strong> \u201ePitn\u00e1 voda mus\u00ed by\u0165 zdravotne bezpe\u010dn\u00e1 a nesmie predstavova\u0165 riziko ohrozenia zdravia \u013eud\u00ed. Ak nech\u00e1me poh\u00e1r s vodou st\u00e1\u0165 otvoren\u00fd cel\u00fd de\u0148, nem\u00f4\u017eeme e\u0161te tvrdi\u0165, \u017ee je nebezpe\u010dn\u00e1, ale po \u00f4smich hodin\u00e1ch ur\u010dite u\u017e hroz\u00ed vzdu\u0161n\u00e1 kontamin\u00e1cia jednak prachom, bakt\u00e9riami a m\u00f4\u017ee sa tie\u017e sta\u0165, \u017ee tam spadne ne\u017eelan\u00fd drobn\u00fd hmyz. Vlhk\u00e9 prostredie je ide\u00e1lne pre rozmno\u017eovanie bakt\u00e9ri\u00ed. Aj jedn\u00fdm d\u00fa\u0161kom sa m\u00f4\u017eu prenies\u0165 mili\u00f3ny bakt\u00e9ri\u00ed z \u00fast do poh\u00e1ra, kde sa \u010falej mno\u017eia, \u010do vo\u013en\u00fdm okom samozrejme nevid\u00edme. Svetlo a teplo s\u00fa \u010fal\u0161\u00edm faktorom pre rast a rozmno\u017eovanie mikroorganizmov. Taktie\u017e dlhodob\u00fdm st\u00e1t\u00edm vody m\u00f4\u017ee d\u00f4js\u0165 k zmene jej senzorick\u00fdch vlastnost\u00ed, najm\u00e4 chuti. Voda v otvorenom poh\u00e1ri m\u00f4\u017ee absorbova\u0165 plyny zo vzduchu, najm\u00e4 oxid uhli\u010dit\u00fd a t\u00fdm sa mierne zmen\u00ed rovnov\u00e1ha pH a aj chu\u0165 vody. Pri dezinfikovanej chl\u00f3rovanej vode dlhodob\u00fdm st\u00e1t\u00edm d\u00f4jde k vyprchaniu chl\u00f3ru, \u010do tie\u017e m\u00f4\u017ee trochu zmeni\u0165 jej chu\u0165. Ak sme zvyknut\u00ed pi\u0165 \u010derstv\u00fa vodu, je lep\u0161ie si nalia\u0165 st\u00e1le nov\u00fa ne\u017e pi\u0165 dlhodobo odst\u00e1tu.“ <\/em><\/p>\n\n\n\n

A vieme, ak\u00fd m\u00f4\u017ee ma\u0165 vplyvv na ten zabudnut\u00fd poh\u00e1r vody na stole  to, \u010di je dan\u00e1 miestnos\u0165 pravidelne a d\u00f4kladne vetran\u00e1 alebo nie je \u010dasto vetran\u00e1 a m\u00f4\u017ee by\u0165 pln\u00e1 choroboplodn\u00fdch z\u00e1rodkov?
<\/p>\n\n\n

\n\n\n\n
<\/i><\/span>

\nVoda v otvorenom poh\u00e1ri m\u00f4\u017ee absorbova\u0165 plyny zo vzduchu, najm\u00e4 oxid uhli\u010dit\u00fd a t\u00fdm sa mierne zmen\u00ed rovnov\u00e1ha pH a aj chu\u0165 vody.
\n<\/blockquote><\/div>\n\n\n\n
\n\n\n\n\n

N. Riganov\u00e1:<\/strong> \u201eTak ako je u\u017e vy\u0161\u0161ie spom\u00ednan\u00e9, pri otvorenom poh\u00e1ri s vodou hroz\u00ed vzdu\u0161n\u00e1 kontamin\u00e1cia aj bakt\u00e9riami \u010di\u017ee \u017eiv\u00fdmi organizmami s ur\u010dit\u00fdmi n\u00e1rokmi na prostredie, v ktorom sa im optim\u00e1lne dar\u00ed. Svetlo a teplo s\u00fa d\u00f4le\u017eit\u00fdmi faktormi pre rast a rozmno\u017eovanie mikroorganizmov. Ale aj ke\u010f zabudnut\u00fd poh\u00e1r vody po celom dni nemus\u00ed chuti\u0165 dobre, je nepravdepodobn\u00e9, \u017ee by niekomu hne\u010f tak\u00e1to voda sp\u00f4sobila ochorenie.\u201c<\/em><\/p>\n\n\n\n

Niet nad vodu z vodovodu!<\/h3>\n\n\n\n

Mnoh\u00ed majitelia individu\u00e1lnych domov\u00fdch studn\u00ed sa nechc\u00fa napoji\u0165 na verejn\u00fd vodovod, lebo voda z neho je vraj ne\u00fanosne drah\u00e1 a tak rad\u0161ej pou\u017e\u00edvaj\u00fa vlastn\u00e9 domov\u00e9 studne. Argumentuj\u00fa t\u00fdm, \u017ee voda z ich studne je zdrav\u00e1, lebo ju pil aj ich dedo a do\u017eil sa 98 rokov! Zabudn\u00fa v\u0161ak doda\u0165, \u017ee ke\u010f dedo bol mlad\u00fd, nebolo to\u013eko \u00e1ut ani priemyslu a v po\u013enohospod\u00e1rstve sa priemyseln\u00e9 hnojiv\u00e1 nepou\u017e\u00edvali.<\/p>\n\n\n\n

Po zisten\u00ed, \u017ee ich voda obsahuje prive\u013ea dusi\u010dnanov a dusitanov, odvrkn\u00fa, \u017ee si vodu na pitie aj dvakr\u00e1t prevaria a t\u00fdm je vraj v\u0161etko o.k. <\/p>\n\n\n\n

N. Riganov\u00e1:<\/strong> \u201e\u010casto sa stret\u00e1vam s n\u00e1zorom, \u017ee dusi\u010dnany a dusitany je mo\u017en\u00e9 redukova\u0165 d\u00f4kladn\u00fdm, hoci aj viacn\u00e1sobn\u00fdm prevaren\u00edm vody. Nie je to pravda, preto\u017ee varom vody sa mno\u017estvo – koncentr\u00e1cia dusi\u010dnanov ani dusitanov nie\u017ee nezn\u00ed\u017ei, ale dokonca sa e\u0161te zv\u00fd\u0161i, ke\u010f\u017ee objem vody sa ka\u017ed\u00fdm prev\u00e1ran\u00edm zmen\u0161\u00ed, no dusi\u010dnany a dusitany tam zost\u00e1vaj\u00fa! Niet nad vodu z vodovodu!\u201c <\/em>

(fur.)
Ilustra\u010dn\u00e9 foto: shutterstock

<\/p>\n\n\n

<\/i><\/i><\/i><\/div>\n\n\n\n\n

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Kvalita a zdravotn\u00e1 bezpe\u010dnos\u0165 pitnej vody a d\u00f4sledn\u00e9 \u010distenie odpadov\u00fdch v\u00f4d pod drobnoh\u013eadom laborat\u00f3ri\u00ed Jedn\u00fdmi z naj\u010d\u00edtanej\u0161\u00edch v ka\u017edom vydan\u00ed Vod\u00e1rensk\u00fdch poh\u013eadov s\u00fa pravideln\u00e9 \u010dl\u00e1nky zo [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":2765,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[13],"tags":[29,33,28],"class_list":["post-2755","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tema","tag-03-2024","tag-ostro-sledovana-voda","tag-tema"],"yoast_head":"\nOstro sledovan\u00e1 voda - 3\/2024 - Vod\u00e1rensk\u00e9 Poh\u013eady<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vodarenskepohlady.sk\/?p=2755\" \/>\n<link rel=\"next\" href=\"https:\/\/www.vodarenskepohlady.sk\/?p=2755&page=2\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ostro sledovan\u00e1 voda - 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