{"id":4356,"date":"2021-08-13T09:00:00","date_gmt":"2021-08-13T08:00:00","guid":{"rendered":"https:\/\/www.tiendanimal.pt\/blog\/?p=4356"},"modified":"2024-05-03T15:01:54","modified_gmt":"2024-05-03T14:01:54","slug":"o-valor-ph-o-dioxido-de-carbono-e-a-dureza-de-carbonatos-em-aquarios-de-agua-salgada","status":"publish","type":"post","link":"https:\/\/www.tiendanimal.pt\/blog\/o-valor-ph-o-dioxido-de-carbono-e-a-dureza-de-carbonatos-em-aquarios-de-agua-salgada\/","title":{"rendered":"O valor pH, o di\u00f3xido de carbono e a dureza de carbonatos em aqu\u00e1rios de \u00e1gua salgada"},"content":{"rendered":"\n<p>Os mares representam o sistema ecol\u00f3gico mais est\u00e1vel da Terra. Ao longo de v\u00e1rios milh\u00f5es de anos, os habitantes dos mares foram adaptando-se a par\u00e2metros f\u00edsicos e qu\u00edmicos constantes. Dado que na natureza estes valores registam apenas varia\u00e7\u00f5es muito limitadas, a maioria dos habitantes do mar s\u00e3o muito menos flex\u00edveis que os habitantes das correntes de \u00e1gua doce. Por isso, a \u00e1gua do aqu\u00e1rio tem de manter condi\u00e7\u00f5es est\u00e1veis, sem grandes varia\u00e7\u00f5es.<\/p>\n\n\n\n<p>O valor pH descreve se a \u00e1gua reage de uma forma \u00e1cida (pH abaixo de 7), neutra (pH = 7), ou alcalina (pH acima de 7). O valor pH na \u00e1gua marinha natural, que \u00e9 de 8 a 8,5, mostra uma leve tend\u00eancia alcalina.<\/p>\n\n\n\n<p>No aqu\u00e1rio, o valor pH \u00e9 ligeiramente mais baixo de manh\u00e3 que \u00e0 tarde. Isto \u00e9 devido a que durante o dia as algas absorvem o di\u00f3xido de carbono (CO2). Com o consumo de \u00e1cido, aumenta o valor pH.<\/p>\n\n\n\n<p>A dureza de carbonatos (KH) contida na \u00e1gua atua como um amortecedor. Tem a capacidade de neutralizar os \u00e1cidos, e com isso, compensar at\u00e9 certo ponto as varia\u00e7\u00f5es do valor pH. Para garantir uma a\u00e7\u00e3o de amortecimento suficiente no aqu\u00e1rio de \u00e1gua salgada, a dureza de carbonatos n\u00e3o deve descer al\u00e9m dos 8\u00b0 dKH.<\/p>\n\n\n\n<p>No caso de plantar muitas algas grandes (Caulerpa, Halimeda, etc.), \u00e0s vezes o valor pH aumenta at\u00e9 valores superiores a 8,5, devido \u00e0 forte necessidade de CO2.<\/p>\n\n\n\n<p>O m\u00e9todo mais simples e natural para reduzir estabilizar o valor pH \u00e9 fornecer di\u00f3xido de carbono \u00e0 \u00e1gua do aqu\u00e1rio. A introdu\u00e7\u00e3o de di\u00f3xido de carbono, de acordo com as necessidades, \u00e9 realizada com o SERA sistema fertilizante com CO2 e a seramic instala\u00e7\u00e3o de regula\u00e7\u00e3o de CO2.<\/p>\n\n\n\n<p>A seramic instala\u00e7\u00e3o de regula\u00e7\u00e3o \u00edon de CO2 \u00e9 programada de acordo com o valor pH desejado e \u00e9 encarregado de regular automaticamente o valor pH correto, adicionando doses exatas de CO2. O di\u00f3xido de carbono coloca-se na \u00e1gua do aqu\u00e1rio sem res\u00edduos mediante o, muito eficiente, reator de CO2. Uma vez que \u00e9 atingido o valor pH desejado, o fornecimento de di\u00f3xido de carbono \u00e9 interrompido automaticamente. Desta maneira, a seramic instala\u00e7\u00e3o de regula\u00e7\u00e3o de CO2 regula de forma confi\u00e1vel o valor pH no aqu\u00e1rio.<\/p>\n\n\n\n<p>As necessidades de CO2 no aqu\u00e1rio de \u00e1gua salgada s\u00e3o consider\u00e1veis e n\u00e3o se devem subestimar. At\u00e9 quando n\u00e3o se deva fornecer regularmente CO2 ao aqu\u00e1rio, recomendamos t\u00ea-lo dispon\u00edvel. Desta forma, \u00e9 poss\u00edvel intervir de imediato se o valor pH e o conte\u00fado de am\u00f4nio aumentam demasiado (ver os artigos \u201cO ciclo do nitrog\u00eanio\u201d e \u201cA verifica\u00e7\u00e3o do estado da \u00e1gua\u201d).<\/p>\n\n\n  <style>\n  .product-container{\n    cursor:pointer;\n  }\n  a.producto-titulo{\n    font-size: 13px;line-height: 1.2;height: 62px;margin-bottom: 12px;color: #575757;font-weight:400;display:inline-block;overflow:hidden;font-family: \"Poppins\", sans-serif;\n  }\n  .producto .product-container img{\n    max-height: 126px;\n    width: auto;\n    height: auto;\n  }\n  @media (max-width: 480px){\n    a.producto-titulo{\n        font-size: 16px;\n        line-height: 1.3;\n    }\n  }\n  <\/style>\n  <div class=\"clearfix\"><\/div>\n    <div id=\"external-products-40194\" class=\"row external-products producto\" style=\"width:100%; margin:0 auto;\"><div itemprop=\"offers\" itemscope itemtype=\"http:\/\/schema.org\/Offer\" 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'label':'body', 'link_url':'https:\/\/www.tiendanimal.pt\/sera-costapur-condicionador-de-agua-para-aquarios\/SER2130.html', 'category':'Medicamentos', 'product_name':'Sera Costapur Condicionador de \u00c1gua para aqu\u00e1rios'});window.open('https:\/\/www.tiendanimal.pt\/sera-costapur-condicionador-de-agua-para-aquarios\/SER2130.html');\">\n      <img decoding=\"async\" src=\"https:\/\/www.tiendanimal.pt\/on\/demandware.static\/-\/Sites-kiwoko-master-catalog\/default\/dw216d2d80\/images\/sera_costapur_50ml_SER2130.jpg\" alt=\"Sera Costapur Condicionador de \u00c1gua para aqu\u00e1rios\" width=\"90%\" \/><a href=\"https:\/\/www.tiendanimal.pt\/sera-costapur-condicionador-de-agua-para-aquarios\/SER2130.html\" itemprop=\"name\" class=\"producto-titulo\" data-test=\"test\" target=\"_blank\">Sera Costapur Condicionador de \u00c1gua para aqu\u00e1rios<\/a>\n      <button class=\"producto-boton\" style=\"width:100%;border-radius:3px;padding:5px;\">Ver produto<\/button><\/div>\n      <div 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Ao longo de v\u00e1rios milh\u00f5es de anos, os habitantes dos mares foram adaptando-se a par\u00e2metros &#8230; <a title=\"O valor pH, o di\u00f3xido de carbono e a dureza de carbonatos em aqu\u00e1rios de \u00e1gua salgada\" class=\"read-more\" href=\"https:\/\/www.tiendanimal.pt\/blog\/o-valor-ph-o-dioxido-de-carbono-e-a-dureza-de-carbonatos-em-aquarios-de-agua-salgada\/\">Ler mais<\/a><\/p>\n","protected":false},"author":40,"featured_media":4357,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[22],"tags":[],"class_list":["post-4356","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-peixes","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33"],"acf":[],"uagb_featured_image_src":{"full":["https:\/\/www.tiendanimal.pt\/blog\/wp-content\/uploads\/2021\/08\/O-valor-pH-1.jpg",900,600,false],"thumbnail":["https:\/\/www.tiendanimal.pt\/blog\/wp-content\/uploads\/2021\/08\/O-valor-pH-1-150x150.jpg",150,150,true],"medium":["https:\/\/www.tiendanimal.pt\/blog\/wp-content\/uploads\/2021\/08\/O-valor-pH-1-300x200.jpg",300,200,true],"medium_large":["https:\/\/www.tiendanimal.pt\/blog\/wp-content\/uploads\/2021\/08\/O-valor-pH-1-768x512.jpg",768,512,true],"large":["https:\/\/www.tiendanimal.pt\/blog\/wp-content\/uploads\/2021\/08\/O-valor-pH-1.jpg",900,600,false],"1536x1536":["https:\/\/www.tiendanimal.pt\/blog\/wp-content\/uploads\/2021\/08\/O-valor-pH-1.jpg",900,600,false],"2048x2048":["https:\/\/www.tiendanimal.pt\/blog\/wp-content\/uploads\/2021\/08\/O-valor-pH-1.jpg",900,600,false]},"uagb_author_info":{"display_name":"Tiendanimal","author_link":"https:\/\/www.tiendanimal.pt\/blog\/author\/lucia\/"},"uagb_comment_info":0,"uagb_excerpt":"Os mares representam o sistema ecol\u00f3gico mais est\u00e1vel da Terra. Ao longo de v\u00e1rios milh\u00f5es de anos, os habitantes dos mares foram adaptando-se a par\u00e2metros ... 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