{"id":1758,"date":"2018-08-22T22:29:00","date_gmt":"2018-08-22T22:29:00","guid":{"rendered":"https:\/\/www.tetra.net\/en\/en\/in-my-aquarium\/?p=1758"},"modified":"2020-12-02T13:57:20","modified_gmt":"2020-12-02T13:57:20","slug":"water-quality-not-water-clarity","status":"publish","type":"post","link":"https:\/\/blog.tetra.net\/ro-ro\/water-quality-not-water-clarity\/","title":{"rendered":"Calitatea apei \u2013 nu claritatea apei"},"content":{"rendered":"

Mul\u021bi dintre cei care achizi\u021bioneaz\u0103 produse Tetra, ne \u00eentreab\u0103 c\u0103tre ce ar trebui s\u0103 se orienteze atunci c\u00e2nd caut\u0103 un produs pentru calitatea apei din acvariu sau iaz. Sunt persoane care au impresia c\u0103 o calitate bun\u0103 a apei este oferit\u0103 de claritatea acesteia, \u00eens\u0103 nu mereu claritatea reflect\u0103 calitatea. De fapt, claritatea are foarte pu\u021bin de-a face cu ceea ce \u00eenseamn\u0103 calitatea apei. De exemplu, se \u0219tie c\u0103 mul\u021bi pe\u0219ti, cum ar fi carasul auriu sau crapii Koi, prefer\u0103 siguran\u021ba pe care le-o ofer\u0103 o ap\u0103 mai tulbure.<\/p>\n

A\u0219adar, ce trebuie s\u0103 avem \u00een vedere atunci c\u00e2nd discut\u0103m despre calitatea apei din acvariu sau iaz? Care sunt semnele c\u0103 apa ar avea o calitate inferioar\u0103? Care sunt problemele care apar atunci c\u00e2nd apa este mai tulbure? Dar cele semnalate de existen\u021ba unei ape foarte clare?<\/p>\n

Ce \u00eenseamn\u0103 calitatea apei?<\/strong><\/h4>\n

Putem defini acest concept foarte important drept o descriere a propriet\u0103\u021bilor fizice \u0219i chimice ale apei. Cu alte cuvinte, profilul apei \u0219i nivelul poluan\u021bilor din aceasta. De exemplu, apa de la robinet care exist\u0103 la birourile Tetra din Marea Britanie este foarte dur\u0103 \u0219i u\u0219or alcalin\u0103. Aceast\u0103 duritate provine din rocile calcaroase din zon\u0103, care dizolv\u0103 mineralele \u00een apa de ploaie. Aceast\u0103 ap\u0103 de ploaie se scurge \u00een p\u0103m\u00e2nt, este apoi extras\u0103 pentru a fi tratat\u0103 \u0219i transformat\u0103 \u00een apa care curge la robinet. Aceste minerale confer\u0103 apei un profil caracteristic alcalin dur.<\/p>\n

A\u0219adar, calitatea apei implic\u0103 o descriere a profilului acesteia, dur \u0219i alcalin, moale \u0219i acid, etc. Acestea sunt propriet\u0103\u021bi chimice, dar \u00een cadrul defini\u021biei sunt incluse \u0219i propriet\u0103\u021bile fizice, cea mai important\u0103 find temperatura. Speciile de pe\u0219ti au nevoi\/necesit\u0103\u021bi diferite \u00een ceea ce prive\u0219te mediul \u00een care tr\u0103iesc, iar o calitate bun\u0103 a apei – necesar\u0103 unei anumite specii, poate cauza disconfort alteia.<\/p>\n

De-a lungul timpului, calitatea apei se va modifica, \u00een primul r\u00e2nd datorit\u0103 influen\u021bei organismelor vii care tr\u0103iesc \u00een acvariu\/iaz \u0219i care extrag sau depoziteaz\u0103 la nivelul ei diverse elemente \u0219i anumi\u021bi compu\u0219i.<\/p>\n

Prin urmare, calitatea apei cuprinde \u0219i o descriere a \u201epoluan\u021bilor\u201d naturali \u0219i nenaturali din ap\u0103. Poluan\u021bii naturali ar putea include amoniacul, nitri\u021bii, nitra\u021bii, fosfa\u021bii etc., to\u021bi compu\u0219ii elibera\u021bi din procesele naturale din iaz sau acvariu, cum ar fi metabolismul pe\u0219tilor. Poluan\u021bii nenaturali ar putea include acele substan\u021be ad\u0103ugate de om, cum ar fi clorul \u00een apa de la robinet, metalele grele sau pesticidele.<\/p>\n

Pericolul unei ape clar\u0103\/limpede precum cristalul<\/strong><\/h4>\n

Un lucru ce trebuie con\u0219tientizat c\u00e2nd vine vorba de calitatea apei, este acela c\u0103 ochii nu sunt kit-uri de testare. Dou\u0103 mostre de ap\u0103, una dintre ele perfect\u0103 pentru acvariu, iar cealalt\u0103 cu un pH incorect (aciditate prea mare) sau nivel ridicat de amoniac\/nitri\u021bi, pot ar\u0103ta identic \u00een ochii no\u0219tri.<\/p>\n

Pentru a testa \u0219i determina calitatea apei, \u0219i pentru a-i m\u0103sura propriet\u0103\u021bile (nivel pH, duritate, nivel de oxigen, existen\u021ba poluan\u021bilor – amoniac, clor, etc.), folosim kit-uri de testare. Nu exist\u0103 un substitut pentru acestea.<\/p>\n

Kit-urile de testare \u0219i benzile de testare – cum sunt cele de la Tetra – reprezint\u0103 singurele modalit\u0103\u021bi prin care se poate m\u0103sura \u0219i determina calitatea apei. Acum, cu ajutorul\u00a0Tetra Aquatics App<\/strong>, testarea apei, interpretarea \u0219i stocarea rezultatelor pentru a le compara \u00een timp, devine o sarcin\u0103 mult mai u\u0219oar\u0103. Vorba des \u00eent\u00e2lnit\u0103 – \u201dai grij\u0103 de ap\u0103, c\u0103ci pe\u0219tii pot avea grij\u0103 singuri de ei\u201d este mai real\u0103 ca niciodat\u0103, iar abilitatea noastr\u0103 de a monitoriza calitatea apei este mai simpl\u0103 ca nicic\u00e2nd.<\/p>\n

Semne c\u0103 sunt probleme cu calitatea apei:\u00a0<\/strong><\/h4>\n

Dup\u0103 cum am v\u0103zut c\u0103 exist\u0103 o calitate \u201ebun\u0103\u201d a apei pentru p\u0103strarea pe\u0219tilor, a\u0219a exist\u0103 \u0219i calitatea \u201eproast\u0103\u201d, f\u0103c\u00e2nd referire la aspectul apei \u00een sine. Cu toate acestea, comportamentul \u0219i fiziologia pe\u0219tilor ne pot spune multe despre calitatea mediului \u00een care tr\u0103iesc.<\/p>\n

Cel mai frecvent exemplu este comportamentul pe\u0219tilor \u00een apa cu oxigen sc\u0103zut dizolvat (DO). C\u00e2nd nivelul DO scade sub cel preferat de un pe\u0219te, acesta \u00eencepe s\u0103-\u0219i ventileze branhiile \u00eentr-un ritm mai rapid \u0219i se deplaseaz\u0103 frecvent p\u00e2n\u0103 la suprafa\u021ba apei, unde nivelul DO ar trebui s\u0103 fie\u00a0 mai mare. Acest “g\u00e2f\u00e2it” la suprafa\u021b\u0103 este un r\u0103spuns comportamental \u0219i fiziologic care permite pe\u0219tilor s\u0103 extrag\u0103 suficient oxigen pentru nevoile lor, cum facem \u0219i noi, oamenii, c\u00e2nd\u00a0 puf\u0103im sau g\u00e2f\u00e2im c\u00e2nd r\u0103m\u00e2nem f\u0103r\u0103 aer.<\/p>\n

Mul\u021bi pe\u0219ti tropicali au dezvoltate organe ce-i ajuta sa respire \u0219i vor incepe sa se foloseasc\u0103 de aceasta abilitate \u00een cazul \u00een care nivelul de oxigen dizolvat din interiorul acvariului \u00eencepe sa scada. Un exemplu ideal pentru acest scenariu este “catfish” Corydoras sp.<\/em>\u00a0care, de fiecare data c\u00e2nd nivelul de DO din acvariu scade, se repede la suprafa\u021ba apei pentru o gura de aer.<\/p>\n

Apoi aerul este \u00eenghi\u021bit \u0219i ajunge intr-o zona bogat vascularizata de la nivelul intestinului, acolo unde este posibila absorb\u021bia oxigenului \u00een s\u00e2nge.<\/p>\n

Cu toate acestea, un pe\u0219te care cauta aer\/oxigen la suprafa\u021ba apei nu este neap\u0103rat un semn al nivelurilor sc\u0103zute de DO. Mul\u021bi al\u021bi parametri \u0219i poluan\u021bi pot duce la deteriorarea branhiilor, ceea ce \u00eempiedic\u0103 capacitatea pe\u0219tilor de a absorbi oxigenul, determinandu-i sa caute aer in partea de sus a acvariului, chiar dac\u0103 nivelul DO este adecvat pentru pe\u0219tii s\u0103n\u0103to\u0219i.<\/p>\n

Alte semne care indica o slaba calitate a apei includ prezenta algelor sau ierburilor \u00een exces, ceea ce \u00eenseamn\u0103 o cre\u0219tere a nutrien\u021bilor \u00een sistem, \u00een mod special a nitratilor \u0219i fosfatilor.<\/p>\n

Acest lucru poate fi pre\u00eent\u00e2mpinat dac\u0103 se utilizeaz\u0103 produse de tipul\u00a0Tetra PhosphateMinus<\/strong><\/a>\u00a0care au rolul de a reduce valorile ridicate ale fosfatului ca sa previn\u0103 cre\u0219terea exagerata a plantelor nedorite.<\/p>\n

Un alt exemplu ar fi spuma de la suprafa\u021ba apei – ceea ce poate indica un exces de materii organice \u00een sistem datorat, posibil, prea multor pe\u0219ti sau hr\u0103nirii exagerate.\u00a0 Este \u0219i un semn al unei performante limitate a filtrului, din acelea\u0219i cauze men\u021bionate anterior (prea mul\u021bi pesti, prea multa hrana) sau din pricina unei defec\u021biuni.<\/p>\n

Deci o ap\u0103 clar\u0103 nu \u00eenseamn\u0103 neap\u0103rat o ap\u0103 de calitate, iar o ap\u0103 mai tulbure nu \u00eenseamn\u0103 o calitate sc\u0103zut\u0103. De ce dorim o ap\u0103 clar\u0103 pentru pe\u0219tii nostri \u0219i de ce asociem calitatea cu claritatea?<\/p>\n

De ce ne dorim o ap\u0103 clar\u0103?\u00a0<\/strong><\/h4>\n

\u00cen primul rand, ca sa fim siguri c\u0103 le cre\u0103m pe\u0219tilor un habitat optim, avem nevoie de ap\u0103 curat\u0103, dar ne a\u0219tept\u0103m ca apa s\u0103 fie \u0219i clara, pentru simplul motiv c\u0103 vrem sa observ\u0103m pe\u0219tii.<\/p>\n

Dar apa clar\u0103 este bun\u0103 pentru ei – dac\u0103 ar fi s\u0103 poat\u0103 alege singuri, pe\u0219tii ar opta pentru o ap\u0103 clar\u0103? Credem ca nu, din moment ce mul\u021bi pe\u0219ti – cum e cazul carasului auriu sau al crapului – care prefer\u0103 s\u0103 stea \u00eentr-o ap\u0103 tulbure \u0219i mai \u00eentunecat\u0103, astfel \u00eenc\u00e2t sa se simt\u0103 feri\u021bi de pericolul reprezentat de pr\u0103d\u0103tori.<\/p>\n

\u00cen cazul crapului, de exemplu, s-a observat o cre\u0219tere considerabil\u0103 a num\u0103rului de exemplare \u00een ap\u0103 tulbure, mai mult dec\u00e2t \u00een ap\u0103 clar\u0103. A\u0219adar, crapii Koi se vor sim\u021bi mai confortabil – chiar \u0219i \u00eentr-o ap\u0103 clar\u0103, dac\u0103 le adaugi ceva \u00een iaz pe care ei \u00eel vor considera, \u00een caz de nevoie, refugiu. De regul\u0103, se opteaz\u0103 pentru poduri sau pun\u021bi ale iazului.<\/p>\n

Exist\u0103 pe\u0219ti – cum este\u00a0catfish – care au foarte dezvoltate sim\u021burile gustului, mirosului, dar \u0219i cel tactil, \u00eens\u0103 cu o vedere slab dezvoltat\u0103 \u0219i care nu prea le este de ajutor \u00eentr-o ap\u0103 tulbure.\u00a0 Pe\u0219tii cu\u021bit sau cei cu trompa de elefant au sim\u021buri de navigare\/deplasare adaptate apelor tulburi \u0219i deseori dibuiesc hrana datorit\u0103 impulsurilor electrice emise de corpurile lor.<\/p>\n

A\u0219adar, este apa tulbure chiar at\u00e2t de d\u0103un\u0103toare? Asta depinde de motivele pentru care claritatea este redus\u0103.\u00a0 Tulburarea datorat\u0103 particulelor de minerale, cum ar fi solul\/argila, nu este o problem\u0103 foarte grav\u0103 \u0219i nu afecteaz\u0103 intr-o maniera serioas\u0103 mediul natural al pe\u0219tilor.\u00a0 Cu toate acestea, apa tulbure cauzat\u0103 de prezen\u021ba exagerat\u0103 a algelor, care parc\u0103 transform\u0103 apa \u00eentr-o… sup\u0103 de mazare, este o treab\u0103 distinct\u0103 \u0219i o problem\u0103 de luat \u00een serios.<\/p>\n

\u00cen primul r\u00e2nd, apa verzuie din iaz, aidoma unei supe de mazare, nu ofer\u0103 gr\u0103dinii un aspect pl\u0103cut privirii, este clar. \u00cen al doilea r\u00e2nd, o cantitate rezonabil\u0103 de alge nu cauzeaz\u0103 mari probleme pe\u0219tilor, dar dac\u0103 algele se tot \u00eenmul\u021besc si ajung sa sufoce iazul atunci calitatea apei va avea de suferit.<\/p>\n

Cre\u0219terea \u00een exces a algelor cauzeaz\u0103 fluctua\u021bii zilnice ale oxigenului dizolvat, dioxid de carbon, modific\u0103 nivelul pH-ului, toate acestea av\u00e2nd consecin\u021be serioase asupra s\u0103n\u0103t\u0103\u021bii pe\u0219tilor.\u00a0 Vestea bun\u0103 e c\u0103 exist\u0103 o gam\u0103 variat\u0103 de aditivi foarte eficien\u021bi \u00een a \u021bine algele \u00een fr\u00e2u, cum este\u00a0Tetra\u2019s Pond AlgoRem<\/strong><\/a>.<\/p>\n

\u00cen ultimul timp, fiecare dintre noi are o opinie diferit\u0103 despre claritatea apei, \u0219i ce apa li se potrive\u0219te pe\u0219tilor din acvariu\/iaz. Unii opteaz\u0103 pentru o ap\u0103 u\u0219or tulbure, pentru ca pe\u0219tii s\u0103 se simt\u0103 \u00een largul lor. Cu tehnologia de filtrare care exist\u0103 azi, este foarte u\u0219or de men\u021binut apa extrem de clar\u0103 \u0219i de a asigura un aspect estetic impecabil. Dar, mai important\u0103 dec\u00e2t claritatea, este calitatea apei, \u0219i trebuie s\u0103 fim aten\u021bi, c\u0103ci fiecare specie de pe\u0219ti are propriile cerin\u021be. De aceea este foarte important\u0103 testarea calit\u0103\u021bii apei!<\/p>\n

\u00a0<\/sub><\/p>\n","protected":false},"excerpt":{"rendered":"

Mul\u021bi dintre cei care achizi\u021bioneaz\u0103 produse Tetra, ne \u00eentreab\u0103 c\u0103tre ce ar trebui s\u0103 se orienteze atunci c\u00e2nd caut\u0103 un produs pentru calitatea apei din acvariu sau iaz. Sunt persoane care au impresia c\u0103 o calitate bun\u0103 a apei este oferit\u0103 de claritatea acesteia, \u00eens\u0103 nu mereu claritatea reflect\u0103 calitatea. De fapt, claritatea are foarte […]\n","protected":false},"author":1,"featured_media":1759,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[165,163],"tags":[],"class_list":["post-1758","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-acvariu","category-pesti"],"yoast_head":"\nCalitatea apei \u2013 nu claritatea apei - Tetra Advanced Fishkeeper Blog<\/title>\n<meta name=\"description\" content=\"At Tetra, our customers often ask what it is that they should be looking for when it comes to pond and aquarium water quality.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.tetra.net\/ro-ro\/water-quality-not-water-clarity\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Calitatea apei \u2013 nu claritatea apei - 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