{"id":59406,"date":"2025-11-19T19:57:25","date_gmt":"2025-11-19T19:57:25","guid":{"rendered":"https:\/\/growithjane.com\/como-usar-e-calibrar-medidor-de-ph-e-ce\/"},"modified":"2026-04-27T20:06:26","modified_gmt":"2026-04-27T20:06:26","slug":"como-usar-e-calibrar-medidor-de-ph-e-ce","status":"publish","type":"post","link":"https:\/\/growithjane.com\/pt-br\/como-usar-e-calibrar-medidor-de-ph-e-ce\/","title":{"rendered":"Como usar, calibrar e armazenar medidores de pH e EC"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"h-compreender-e-gerenciar-o-ph-e-a-ce-e-fundamental-para-o-cultivo-de-plantas-de-cannabis-saudaveis\"><strong>Compreender e gerenciar o pH e a CE \u00e9 fundamental para o cultivo de plantas de cannabis saud\u00e1veis.<\/strong><\/h2>\n\n\n\n<p><strong>O pH \u00e9 uma medida do grau de acidez ou alcalinidade de uma solu\u00e7\u00e3o e determina a capacidade da planta de absorver <a href=\"https:\/\/growithjane.com\/pt-br\/nutrientes-canabis-plantas\/\" data-wpel-link=\"internal\">nutrientes <\/a>da \u00e1gua e do meio de cultivo. <\/strong>Mesmo que os nutrientes estejam presentes, a planta n\u00e3o poder\u00e1 absorv\u00ea-los com efici\u00eancia se o pH estiver fora da faixa ideal.<\/p>\n\n\n\n<p><strong>A CE (condutividade el\u00e9trica) mede a concentra\u00e7\u00e3o de nutrientes (sais) na solu\u00e7\u00e3o ou no substrato. Isso pode ajudar a evitar a fertiliza\u00e7\u00e3o insuficiente ou excessiva. <\/strong><\/p>\n\n\n\n<p>A medi\u00e7\u00e3o do pH e da CE permite que voc\u00ea tenha controle sobre a zona da raiz e ajuda a identificar problemas antes que eles se tornem vis\u00edveis nas folhas. Nem sempre \u00e9 necess\u00e1rio, mas pode fazer uma grande diferen\u00e7a, dependendo do substrato que voc\u00ea estiver usando. <\/p>\n\n\n\n<p>Voc\u00ea pode medir o pH usando tiras de teste simples ou outros m\u00e9todos b\u00e1sicos, e tamb\u00e9m h\u00e1 ferramentas mais avan\u00e7adas dispon\u00edveis.  <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2020\/02\/GWJ_ph-ands-nutrients-lockdown_01.jpg?resize=1000%2C667&#038;ssl=1\" alt=\"tiras de papel ph planta de cannabis\" class=\"wp-image-39378\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2020\/02\/GWJ_ph-ands-nutrients-lockdown_01.jpg?w=1000&amp;ssl=1 1000w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2020\/02\/GWJ_ph-ands-nutrients-lockdown_01.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2020\/02\/GWJ_ph-ands-nutrients-lockdown_01.jpg?resize=768%2C512&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" data-recalc-dims=\"1\" \/><\/figure><\/div>\n\n\n<p>Para os cultivadores caseiros que desejam obter os resultados mais confi\u00e1veis e consistentes,<strong> este guia se concentra em como medir o pH e o EC\/TDS usando medidores port\u00e1teis.<\/strong> Esses dispositivos oferecem o melhor equil\u00edbrio entre precis\u00e3o, facilidade de uso e praticidade para o cultivo di\u00e1rio de cannabis.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-valores-alvo-de-ph-e-ce\"><strong>Valores-alvo de pH e CE<\/strong><\/h2>\n\n\n\n<p><strong>Para turfa e solo:<\/strong><\/p>\n\n\n\n<p>A irriga\u00e7\u00e3o com um pH entre 6,0 e 6,5 geralmente \u00e9 ideal. A CE \u00e9 menos cr\u00edtica aqui, a menos que surjam problemas. <\/p>\n\n\n\n<p>Em solos \u00e0 base de turfa, os valores de pH e CE geralmente s\u00e3o tamponados e mais est\u00e1veis, de modo que muitos produtores n\u00e3o precisam fazer medi\u00e7\u00f5es constantes.<\/p>\n\n\n\n<p><strong>Para coco e hidroponia:<\/strong><\/p>\n\n\n\n<p>Irriga\u00e7\u00e3o com um pH entre 5,8 e 6,2. Os valores de CE dependem muito da fase de crescimento e do fertilizante usado, portanto, voc\u00ea deve sempre usar o cronograma de fertiliza\u00e7\u00e3o do fabricante como refer\u00eancia. <\/p>\n\n\n\n<p>Em coco, hidroponia ou outros substratos sem solo, esses valores flutuam muito mais. O monitoramento \u00e9 fundamental para evitar bloqueios ou defici\u00eancias de nutrientes. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-sobre-os-medidores\"><strong>Sobre os medidores<\/strong><\/h2>\n\n\n\n<p>Um medidor confi\u00e1vel de m\u00e9dio porte, calibrado regularmente, \u00e9 um investimento que vale a pena para plantas saud\u00e1veis.<\/p>\n\n\n\n<p>Medidores de pH e CE muito baratos geralmente s\u00e3o menos precisos e perdem a calibra\u00e7\u00e3o mais rapidamente, mas ainda assim s\u00e3o melhores do que n\u00e3o fazer nenhuma medi\u00e7\u00e3o.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"820\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image.png?resize=400%2C820&#038;ssl=1\" alt=\"\" class=\"wp-image-59169\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image.png?w=400&amp;ssl=1 400w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image.png?resize=146%2C300&amp;ssl=1 146w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">O testador de condutividade DiST 3 da Hanna exibe leituras de CE e temperatura. ph: Hanna Instruments <\/figcaption><\/figure><\/div>\n\n\n<p>Os medidores que medem o pH ou a CE diretamente no substrato podem ser \u00fateis, mas se n\u00e3o forem de uma marca conhecida e cientificamente validada, suas leituras geralmente n\u00e3o s\u00e3o confi\u00e1veis. Se voc\u00ea optar por us\u00e1-los, trate os n\u00fameros como um guia aproximado e evite tomar decis\u00f5es importantes com base apenas nessas medi\u00e7\u00f5es. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-calibracao-e-solucoes\"><strong>Calibra\u00e7\u00e3o e solu\u00e7\u00f5es<\/strong><\/h2>\n\n\n\n<p>Todos os medidores de pH devem ser calibrados regularmente com solu\u00e7\u00f5es de calibra\u00e7\u00e3o. Os medidores de CE tamb\u00e9m podem ser verificados e calibrados com uma solu\u00e7\u00e3o de refer\u00eancia. \u00c9 importante manter o eletrodo limpo e armazen\u00e1-lo em uma solu\u00e7\u00e3o de armazenamento para manter sua vida \u00fatil e precis\u00e3o.  <\/p>\n\n\n\n<p><strong>A temperatura da \u00e1gua desempenha um papel importante nas medi\u00e7\u00f5es precisas de pH e EC\/TDS<\/strong>. Ambos os valores mudam com a temperatura e, se a \u00e1gua estiver significativamente mais quente ou mais fria do que a temperatura ambiente, suas leituras podem estar erradas. <\/p>\n\n\n\n<p>Muitos medidores incluem compensa\u00e7\u00e3o autom\u00e1tica de temperatura, mas esse recurso n\u00e3o corrige diferen\u00e7as extremas.  <strong>Para obter resultados mais consistentes, sempre deixe a \u00e1gua atingir uma faixa est\u00e1vel de temperatura ambiente antes de fazer a medi\u00e7\u00e3o.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-o-que-e-um-medidor-de-ph\"><strong>O que \u00e9 um medidor de pH?<\/strong><\/h2>\n\n\n\n<p>Um medidor de pH \u00e9 um dispositivo port\u00e1til que mede o grau de acidez ou alcalinidade da \u00e1gua ou da solu\u00e7\u00e3o de nutrientes. Como a disponibilidade de nutrientes muda com o pH, o uso de um medidor de pH ajuda voc\u00ea a manter a \u00e1gua de irriga\u00e7\u00e3o, a solu\u00e7\u00e3o de nutrientes e o escoamento dentro da faixa ideal para a absor\u00e7\u00e3o saud\u00e1vel de nutrientes. <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"492\" height=\"1024\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-2.png?resize=492%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-59171\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-2.png?resize=492%2C1024&amp;ssl=1 492w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-2.png?resize=144%2C300&amp;ssl=1 144w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-2.png?w=577&amp;ssl=1 577w\" sizes=\"auto, (max-width: 492px) 100vw, 492px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Medidor de pH port\u00e1til de bolso da Hanna. ph: Hanna Instruments <\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-como-calibrar-e-usar-um-medidor-de-ph\"><strong>Como calibrar e usar um medidor de pH<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-etapas-de-calibracao\"><strong>Etapas de calibra\u00e7\u00e3o:<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Limpe a sonda<\/strong>: Enx\u00e1gue a sonda do medidor de pH com \u00e1gua destilada para remover qualquer res\u00edduo de leituras anteriores. Seque-a suavemente com um pano sem fiapos ou uma toalha de papel. Evite esfregar a sonda, pois isso pode danific\u00e1-la.  <\/li>\n\n\n\n<li><strong>Prepare solu\u00e7\u00f5es de calibra\u00e7\u00e3o<\/strong>: Normalmente, voc\u00ea precisar\u00e1 de pelo menos duas solu\u00e7\u00f5es de calibra\u00e7\u00e3o, geralmente pH 4,0 e pH 7,0. <strong>Calibre com a solu\u00e7\u00e3o de pH 7,0<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ligue o medidor e mergulhe a sonda na solu\u00e7\u00e3o tamp\u00e3o de pH 7,0.<\/li>\n\n\n\n<li>Aguarde a estabiliza\u00e7\u00e3o da leitura e, em seguida, pressione o bot\u00e3o &#8220;calibrar&#8221; (ou ajuste usando as configura\u00e7\u00f5es, dependendo do seu medidor) para ajust\u00e1-la para 7,0.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"777\" height=\"880\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-5.png?resize=777%2C880&#038;ssl=1\" alt=\"\" class=\"wp-image-59174\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-5.png?w=777&amp;ssl=1 777w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-5.png?resize=265%2C300&amp;ssl=1 265w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-5.png?resize=768%2C870&amp;ssl=1 768w\" sizes=\"auto, (max-width: 777px) 100vw, 777px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Solu\u00e7\u00e3o de calibra\u00e7\u00e3o de p\u00f3 de tamp\u00e3o de pH pH 6,86<\/figcaption><\/figure><\/div>\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>Enx\u00e1gue a sonda<\/strong>: Enx\u00e1gue com \u00e1gua destilada e seque antes de passar para a pr\u00f3xima solu\u00e7\u00e3o tamp\u00e3o.<\/li>\n\n\n\n<li><strong>Calibre com solu\u00e7\u00e3o de pH 4,0<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mergulhe a sonda na solu\u00e7\u00e3o tamp\u00e3o de pH 4,0.<\/li>\n\n\n\n<li>Quando a leitura se estabilizar, pressione o bot\u00e3o &#8220;Calibrate&#8221; (Calibrar) para ajust\u00e1-la para 4,0.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"432\" height=\"507\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-4.png?resize=432%2C507&#038;ssl=1\" alt=\"\" class=\"wp-image-59173\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-4.png?w=432&amp;ssl=1 432w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-4.png?resize=256%2C300&amp;ssl=1 256w\" sizes=\"auto, (max-width: 432px) 100vw, 432px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Solu\u00e7\u00e3o de calibra\u00e7\u00e3o de p\u00f3 de tamp\u00e3o de pH pH 4,01<\/figcaption><\/figure><\/div>\n\n\n<ol start=\"5\" class=\"wp-block-list\">\n<li><strong>Verifique a calibra\u00e7\u00e3o<\/strong>: Enx\u00e1gue e verifique novamente nas solu\u00e7\u00f5es de pH 7,0 e pH 4,0 para garantir a precis\u00e3o. Se as leituras estiverem erradas, repita as etapas de calibra\u00e7\u00e3o. <\/li>\n\n\n\n<li><strong>Armazenamento<\/strong>: Ap\u00f3s a calibra\u00e7\u00e3o, armazene a sonda na solu\u00e7\u00e3o de armazenamento fornecida pelo fabricante. Nunca deixe a sonda de pH secar se ela for destinada a ser armazenada em uma solu\u00e7\u00e3o <\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-usando-seu-medidor-de-ph\"><strong>Usando seu medidor de pH:<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Enx\u00e1gue a sonda com \u00e1gua destilada antes de fazer uma nova medi\u00e7\u00e3o.<\/li>\n\n\n\n<li>Mergulhe a sonda na solu\u00e7\u00e3o que voc\u00ea est\u00e1 testando e aguarde a estabiliza\u00e7\u00e3o da leitura.<\/li>\n\n\n\n<li>Enx\u00e1gue a sonda com \u00e1gua destilada ap\u00f3s cada uso para evitar o ac\u00famulo de res\u00edduos e a contamina\u00e7\u00e3o.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-o-que-e-um-medidor-de-ec-tds\"><strong>O que \u00e9 um medidor de EC\/TDS?<\/strong><\/h2>\n\n\n\n<p>Um medidor de EC\/TDS mede a condutividade el\u00e9trica ou o total de s\u00f3lidos dissolvidos na \u00e1gua ou na solu\u00e7\u00e3o nutritiva. Isso informa a concentra\u00e7\u00e3o de nutrientes, ajudando voc\u00ea a evitar tanto a subalimenta\u00e7\u00e3o quanto a superalimenta\u00e7\u00e3o, mantendo as plantas em um ambiente est\u00e1vel e equilibrado <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"387\" height=\"785\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-1.png?resize=387%2C785&#038;ssl=1\" alt=\"\" class=\"wp-image-59170\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-1.png?w=387&amp;ssl=1 387w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-1.png?resize=148%2C300&amp;ssl=1 148w\" sizes=\"auto, (max-width: 387px) 100vw, 387px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Testador de condutividade \/ TDS e temperatura 3 em 1 da Milwaukee. ph: Milwaukee Instruments <\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-como-calibrar-e-usar-um-medidor-de-ce\"><strong>Como calibrar e usar um medidor de CE<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-etapas-de-calibracao-0\"><strong>Etapas de calibra\u00e7\u00e3o:<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Enx\u00e1gue a sonda<\/strong>: Antes da calibra\u00e7\u00e3o, enx\u00e1gue a sonda do medidor de CE com \u00e1gua destilada e seque-a com cuidado.<\/li>\n\n\n\n<li><strong>Prepare a solu\u00e7\u00e3o de calibra\u00e7\u00e3o<\/strong>: Use uma solu\u00e7\u00e3o de calibra\u00e7\u00e3o de CE padr\u00e3o (geralmente 1,41 mS\/cm, mas seu medidor pode exigir um padr\u00e3o diferente).<\/li>\n\n\n\n<li><strong>Mergulhe a sonda na solu\u00e7\u00e3o de calibra\u00e7\u00e3o: Ligue o medidor e mergulhe a sonda na solu\u00e7\u00e3o de calibra\u00e7\u00e3o<\/strong>. Aguarde at\u00e9 que a leitura se estabilize. <\/li>\n\n\n\n<li><strong>Calibrar<\/strong>: Ajuste o medidor para corresponder ao valor de CE da solu\u00e7\u00e3o de calibra\u00e7\u00e3o (siga as instru\u00e7\u00f5es espec\u00edficas fornecidas com o medidor, que podem envolver o pressionamento de um bot\u00e3o &#8220;calibrar&#8221; ou o ajuste manual).<\/li>\n\n\n\n<li><strong>Enx\u00e1gue a sonda<\/strong>: Enx\u00e1gue com \u00e1gua destilada e seque antes de fazer qualquer medi\u00e7\u00e3o.<\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"564\" height=\"1024\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-3.png?resize=564%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-59172\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-3.png?w=564&amp;ssl=1 564w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-3.png?resize=165%2C300&amp;ssl=1 165w\" sizes=\"auto, (max-width: 564px) 100vw, 564px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Solu\u00e7\u00e3o de calibra\u00e7\u00e3o de condutividade (EC). ph: Milwaukee Instruments <\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-usando-seu-medidor-de-ce\"><strong>Usando seu medidor de CE:<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Enx\u00e1gue antes de usar<\/strong>: Assim como no medidor de pH, enx\u00e1gue a sonda de EC com \u00e1gua destilada antes de fazer uma nova medi\u00e7\u00e3o.<\/li>\n\n\n\n<li><strong>Medi\u00e7\u00e3o<\/strong>: submerja a sonda na solu\u00e7\u00e3o a ser testada e aguarde a estabiliza\u00e7\u00e3o da leitura. Anote o valor de EC. <\/li>\n\n\n\n<li><strong>Enx\u00e1gue ap\u00f3s o uso<\/strong>: Enx\u00e1gue a sonda com \u00e1gua destilada ap\u00f3s cada uso para manter a precis\u00e3o.<\/li>\n\n\n\n<li>Ligue o medidor e mergulhe a sonda na solu\u00e7\u00e3o tamp\u00e3o de pH 7,0.<\/li>\n\n\n\n<li>Aguarde a estabiliza\u00e7\u00e3o da leitura e, em seguida, pressione o bot\u00e3o &#8220;calibrar&#8221; (ou ajuste usando as configura\u00e7\u00f5es, dependendo do seu medidor) para ajust\u00e1-la para 7,0.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-dicas-gerais-de-manutencao-para-ambos-os-medidores\"><strong>Dicas gerais de manuten\u00e7\u00e3o para ambos os medidores<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Frequ\u00eancia de calibra\u00e7\u00e3o<\/strong>: Calibre seus medidores regularmente, especialmente antes de medi\u00e7\u00f5es cr\u00edticas. Para uso frequente, calibre pelo menos uma vez por semana. <\/li>\n\n\n\n<li><strong>Armazenamento<\/strong>: Armazene as sondas de acordo com as instru\u00e7\u00f5es do fabricante. As sondas de pH devem ser mantidas em uma solu\u00e7\u00e3o de armazenamento, enquanto as sondas de EC devem ser mantidas secas e limpas. <\/li>\n\n\n\n<li><strong>Compensa\u00e7\u00e3o de temperatura<\/strong>: Muitos medidores modernos de pH e EC v\u00eam com compensa\u00e7\u00e3o autom\u00e1tica de temperatura (ATC), mas sempre verifique seu dispositivo. No caso dos medidores de EC, certifique-se de que a solu\u00e7\u00e3o e o ambiente estejam em uma temperatura est\u00e1vel para garantir leituras precisas. <\/li>\n\n\n\n<li><strong>Solu\u00e7\u00f5es de limpeza:<\/strong> A manuten\u00e7\u00e3o regular \u00e9 essencial para manter a precis\u00e3o e a resposta de qualquer eletrodo de pH ou EC\/TDS. A limpeza da sonda remove a sujeira e os sedimentos que se acumulam nas superf\u00edcies de vidro ou carbono do sensor, o que ajuda a manter o desempenho e a precis\u00e3o.   <strong>Lembre-se de que a solu\u00e7\u00e3o de limpeza do eletrodo n\u00e3o substitui o enx\u00e1gue adequado ou as solu\u00e7\u00f5es de armazenamento necess\u00e1rias para proteger a sonda entre os usos.<\/strong><\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"554\" height=\"1024\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-6.png?resize=554%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-59175\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-6.png?resize=554%2C1024&amp;ssl=1 554w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-6.png?resize=162%2C300&amp;ssl=1 162w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/11\/image-6.png?w=649&amp;ssl=1 649w\" sizes=\"auto, (max-width: 554px) 100vw, 554px\" data-recalc-dims=\"1\" \/><figcaption class=\"wp-element-caption\">Solu\u00e7\u00e3o de limpeza para eletrodos de pH. ph: Milwaukee Instruments <\/figcaption><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-compreensao-das-leituras-de-ce\"><strong>Compreens\u00e3o das leituras de CE<\/strong><\/h2>\n\n\n\n<p>Mesmo os medidores de alta qualidade t\u00eam uma margem de precis\u00e3o de \u00b15%, portanto, trate a CE como um guia e n\u00e3o como um valor exato. A CE\/TDS mede a quantidade total de sais de fertilizantes dissolvidos, que muda \u00e0 medida que as plantas absorvem \u00e1gua e nutrientes. <\/p>\n\n\n\n<p>Quando a \u00e1gua evapora ou as plantas transpiram, a CE aumenta; quando as plantas consomem nutrientes mais rapidamente do que a \u00e1gua, a CE cai<\/p>\n\n\n\n<p>Em <strong>sistemas hidrop\u00f4nicos<\/strong>, verifique a CE a cada 1 ou 2 dias, reabaste\u00e7a com \u00e1gua limpa para reduzir a CE e adicione fertilizante somente se ela ficar abaixo da meta.<\/p>\n\n\n\n<p>Em <strong>misturas de cultivo<\/strong> como coco ou turfa, verifique semanalmente usando o m\u00e9todo <strong>PourThru<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-metodos-de-teste\"><strong>M\u00e9todos de teste<\/strong><\/h2>\n\n\n\n<p>A maneira como voc\u00ea mede o pH e a CE afeta muito os resultados, assim como pesar algo com a m\u00e3o n\u00e3o \u00e9 o mesmo que usar uma balan\u00e7a.<\/p>\n\n\n\n<p>Para meios de cultivo (qualquer coisa que n\u00e3o seja um sistema hidrop\u00f4nico)<strong>, recomendo que voc\u00ea use o teste PourThru, <\/strong>que fornece leituras consistentes e compar\u00e1veis. Confira o pr\u00f3ximo artigo, onde explicarei passo a passo como faz\u00ea-lo e compartilharei os <strong>valores-alvo de pH e CE para cada est\u00e1gio de crescimento da cannabis<\/strong>. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-acompanhe-suas-medicoes-para-obter-melhores-resultados\"><strong>Acompanhe suas medi\u00e7\u00f5es para obter melhores resultados<\/strong><\/h2>\n\n\n\n<p>Registre suas leituras de pH e CE no <strong>aplicativo Grow with Jane<\/strong> para acompanhar seu progresso ao longo do tempo. Quanto mais consistentes forem o m\u00e9todo e a frequ\u00eancia de medi\u00e7\u00e3o, mais confi\u00e1veis ser\u00e3o os dados, ajudando voc\u00ea a identificar tend\u00eancias, prevenir problemas antecipadamente e ajustar a nutri\u00e7\u00e3o da planta com confian\u00e7a.   <\/p>\n\n\n\n<div class=\"wp-block-columns has-2-columns blog-article-inline-cta has-background is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\" style=\"background-color:#edf8ee\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-text-color has-link-color wp-elements-1b8a34fddb7b0136ff79bd6a24db862c\" id=\"h-grow-with-the-best-cannabis-growing-app\" style=\"color:#4caf50;font-size:30px\"><strong>Cultive com o melhor aplicativo de cultivo de cannabis<\/strong><\/h3>\n\n\n\n<p><strong>Crie <\/strong>plantas e ambientes <strong>com facilidade <\/strong><\/p>\n\n\n\n<p><strong>Avalie<\/strong> seu sucesso e <strong>compartilhe com a comunidade<\/strong><\/p>\n\n\n\n<p><strong>Obtenha suporte profissional ao produtor<\/strong>, da semente \u00e0 colheita.<\/p>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-75 ga-article-inline-cta-event-store aligncenter\"><a class=\"wp-block-button__link has-very-dark-gray-color has-vivid-green-cyan-background-color has-text-color has-background wp-element-button\" href=\"https:\/\/app.growithjane.com\/blog\/article\/inline-cta\" data-wpel-link=\"external\" rel=\"nofollow\">Comece a cultivar gratuitamente<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"709\" height=\"990\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/08\/GWJ-CTA-Blog.png?resize=709%2C990&#038;ssl=1\" alt=\"\" class=\"wp-image-58909\" style=\"width:275px;height:auto\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/08\/GWJ-CTA-Blog.png?w=709&amp;ssl=1 709w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2025\/08\/GWJ-CTA-Blog.png?resize=215%2C300&amp;ssl=1 215w\" sizes=\"auto, (max-width: 709px) 100vw, 709px\" data-recalc-dims=\"1\" \/><\/figure><\/div><\/div>\n<\/div>\n\n\n\n<p>N\u00edveis adequados de pH e CE favorecem o desenvolvimento de ra\u00edzes fortes, a absor\u00e7\u00e3o equilibrada de nutrientes e o crescimento est\u00e1vel, o que reduz o risco de defici\u00eancias e estresse. Ao manter esses princ\u00edpios b\u00e1sicos sob controle, voc\u00ea estabelece a base para plantas saud\u00e1veis e vigorosas que apresentam bom desempenho em cada est\u00e1gio do ciclo de crescimento. <\/p>\n\n\n\n<p>Se voc\u00ea come\u00e7ar a notar amarelecimento, manchas ou outras marcas nas folhas, recomendo verificar a se\u00e7\u00e3o de defici\u00eancias de nutrientes para ajudar a identificar o problema. Muitos sintomas nas folhas est\u00e3o diretamente relacionados a desequil\u00edbrios de pH ou picos de CE, que afetam a capacidade da planta de absorver nutrientes. Se voc\u00ea detectar esses problemas logo no in\u00edcio e corrigir a causa subjacente, ajudar\u00e1 suas plantas a se recuperarem mais rapidamente e a continuarem crescendo fortes.  <\/p>\n\n\n\n<p>Feliz crescimento!<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/07\/premium-cultivars-7ah7durjqPM-unsplash.jpg?resize=1024%2C1024&#038;ssl=1\" alt=\"est\u00e1gio de flora\u00e7\u00e3o da planta de cannabis\" class=\"wp-image-56881\" srcset=\"https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/07\/premium-cultivars-7ah7durjqPM-unsplash.jpg?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/07\/premium-cultivars-7ah7durjqPM-unsplash.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/07\/premium-cultivars-7ah7durjqPM-unsplash.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/07\/premium-cultivars-7ah7durjqPM-unsplash.jpg?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/07\/premium-cultivars-7ah7durjqPM-unsplash.jpg?resize=1536%2C1536&amp;ssl=1 1536w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/07\/premium-cultivars-7ah7durjqPM-unsplash.jpg?resize=2048%2C2048&amp;ssl=1 2048w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/07\/premium-cultivars-7ah7durjqPM-unsplash.jpg?resize=600%2C600&amp;ssl=1 600w, https:\/\/i0.wp.com\/growithjane.com\/wp-content\/uploads\/2024\/07\/premium-cultivars-7ah7durjqPM-unsplash.jpg?w=2400&amp;ssl=1 2400w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" data-recalc-dims=\"1\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-serie-sobre-ph-ec-e-alcalinidade\">S\u00e9rie sobre pH, EC e alcalinidade<\/h2>\n\n\n<div class=\"gb-container gb-container-6eba179d\">\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-grow-with-jane wp-block-embed-grow-with-jane\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"x4Z749U24h\"><a href=\"https:\/\/growithjane.com\/pt-br\/que-e-ph-no-cultivo-de-cannabis\/\" data-wpel-link=\"internal\">pH para produtores de cannabis: o que \u00e9 e por que \u00e9 importante<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;pH para produtores de cannabis: o que \u00e9 e por que \u00e9 importante&#8221; &#8212; Grow with Jane\" src=\"https:\/\/growithjane.com\/pt-br\/que-e-ph-no-cultivo-de-cannabis\/embed\/#?secret=fTmynm4mye#?secret=x4Z749U24h\" data-secret=\"x4Z749U24h\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n<\/div>\n\n<div class=\"gb-container gb-container-24b20e02\">\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-grow-with-jane wp-block-embed-grow-with-jane\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"SItRui6Haj\"><a href=\"https:\/\/growithjane.com\/pt-br\/como-medir-ph-e-ce-em-substratos-de-cultivo-pourthru\/\" data-wpel-link=\"internal\">Como medir o pH e a CE em meios de cultivo<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Como medir o pH e a CE em meios de cultivo&#8221; &#8212; Grow with Jane\" src=\"https:\/\/growithjane.com\/pt-br\/como-medir-ph-e-ce-em-substratos-de-cultivo-pourthru\/embed\/#?secret=Mqv7Waijnv#?secret=SItRui6Haj\" data-secret=\"SItRui6Haj\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n<\/div>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Compreender e gerenciar o pH e a CE \u00e9 fundamental para o cultivo de plantas de cannabis saud\u00e1veis. O pH \u00e9 uma medida do grau de acidez ou alcalinidade de uma solu\u00e7\u00e3o e determina a capacidade da planta de absorver nutrientes da \u00e1gua e do meio de cultivo. Mesmo que os nutrientes estejam presentes, a &#8230; <a title=\"Como usar, calibrar e armazenar medidores de pH e EC\" class=\"read-more\" href=\"https:\/\/growithjane.com\/pt-br\/como-usar-e-calibrar-medidor-de-ph-e-ce\/\" aria-label=\"More on Como usar, calibrar e armazenar medidores de pH e EC\" data-wpel-link=\"internal\">Leia mais<\/a><\/p>\n","protected":false},"author":5,"featured_media":59407,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[859],"tags":[966],"class_list":["post-59406","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cultivo-de-cannabis","tag-ph-ce-alcalinidade"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v26.1.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Como usar, calibrar e armazenar medidores de pH e EC - 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O pH \u00e9 uma medida do grau de acidez ou alcalinidade de uma solu\u00e7\u00e3o e determina a capacidade da planta de absorver nutrientes da \u00e1gua e do meio de cultivo. Mesmo que os nutrientes estejam presentes, a&hellip;","_links":{"self":[{"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/posts\/59406","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/comments?post=59406"}],"version-history":[{"count":3,"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/posts\/59406\/revisions"}],"predecessor-version":[{"id":59456,"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/posts\/59406\/revisions\/59456"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/media\/59407"}],"wp:attachment":[{"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/media?parent=59406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/categories?post=59406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/growithjane.com\/pt-br\/wp-json\/wp\/v2\/tags?post=59406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}