{"id":650,"date":"2026-05-13T16:02:00","date_gmt":"2026-05-13T14:02:00","guid":{"rendered":"https:\/\/piscinistes-charente-maritime.fr\/blog\/?p=650"},"modified":"2026-05-13T16:02:00","modified_gmt":"2026-05-13T14:02:00","slug":"comment-regler-ph-piscine","status":"publish","type":"post","link":"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/","title":{"rendered":"Comment r\u00e9gler le pH d&#39;une piscine ?"},"content":{"rendered":"<p><strong>R\u00e9gler le pH de votre piscine<\/strong>, c&#39;est 10 minutes par semaine. Pas plus. Un pH entre 7,2 et 7,6 prot\u00e8ge votre peau, vos \u00e9quipements et l&#39;efficacit\u00e9 du chlore.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"Comment r\u00e9gler le pH de l&#039;eau de sa piscine?\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/ooPZ0PwrzXY?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Sommaire<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/#En_resume_pH_trop_haut_ou_trop_bas_que_faire\" >En r\u00e9sum\u00e9 : pH trop haut ou trop bas, que faire ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/#Comment_mesurer_le_pH_de_votre_piscine\" >Comment mesurer le pH de votre piscine ?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/#Choisir_son_outil_de_mesure\" >Choisir son outil de mesure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/#La_bonne_methode_de_prelevement\" >La bonne m\u00e9thode de pr\u00e9l\u00e8vement<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/#Comment_baisser_un_pH_trop_eleve\" >Comment baisser un pH trop \u00e9lev\u00e9 ?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/#Quel_produit_utiliser\" >Quel produit utiliser<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/#Etapes_dapplication\" >\u00c9tapes d&#39;application<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/#Comment_augmenter_un_pH_trop_bas\" >Comment augmenter un pH trop bas ?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/#Quel_produit_utiliser-2\" >Quel produit utiliser<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/#Etapes_dapplication-2\" >\u00c9tapes d&#39;application<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/#Entretien_et_prevention_ne_pas_subir_anticiper\" >Entretien et pr\u00e9vention : ne pas subir, anticiper<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/#Et_maintenant\" >Et maintenant ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/#FAQ\" >FAQ<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/#Quel_est_le_pH_ideal_pour_une_piscine\" >Quel est le pH id\u00e9al pour une piscine ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/#Comment_baisser_le_pH_dune_piscine\" >Comment baisser le pH d&rsquo;une piscine ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/#Comment_augmenter_le_pH_dune_piscine\" >Comment augmenter le pH d&rsquo;une piscine ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/#Combien_de_pH-_pour_baisser_le_pH_dune_piscine\" >Combien de pH- pour baisser le pH d&rsquo;une piscine ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/piscinistes-charente-maritime.fr\/blog\/comment-regler-ph-piscine\/#Pourquoi_mon_pH_de_piscine_ne_se_stabilise-t-il_pas\" >Pourquoi mon pH de piscine ne se stabilise-t-il pas ?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 id=\"en-r\u00e9sum\u00e9--ph-trop-haut-ou-trop-bas-que-faire-\"><span class=\"ez-toc-section\" id=\"En_resume_pH_trop_haut_ou_trop_bas_que_faire\"><\/span>En r\u00e9sum\u00e9 : pH trop haut ou trop bas, que faire ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Deux cas, deux produits. Voil\u00e0 la r\u00e9ponse courte.<\/p>\n<table>\n<thead>\n<tr>\n<th>Situation<\/th>\n<th>Produit<\/th>\n<th>Dosage (100 m\u00b3)<\/th>\n<th>D\u00e9lai avant test<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>pH &gt; 7,6<\/td>\n<td>pH- (acide)<\/td>\n<td>100-200 g\/10 m\u00b3 pour -0,2<\/td>\n<td>4 \u00e0 6 h<\/td>\n<\/tr>\n<tr>\n<td>pH &lt; 7,2<\/td>\n<td>pH+ (bicarbonate)<\/td>\n<td>3 \u00e0 6 kg pour +0,6<\/td>\n<td>6 h minimum<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Prix indicatifs 2026 : pH- entre 15 et 25 \u20ac les 5 kg, pH+ entre 12 et 20 \u20ac les 5 kg. Budget annuel pour une piscine familiale : 50 \u00e0 150 \u20ac.<\/p>\n<h2 id=\"comment-mesurer-le-ph-de-votre-piscine-\"><span class=\"ez-toc-section\" id=\"Comment_mesurer_le_pH_de_votre_piscine\"><\/span>Comment mesurer le pH de votre piscine ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Avant de corriger, il faut mesurer. Logique.<\/p>\n<h3 id=\"choisir-son-outil-de-mesure\"><span class=\"ez-toc-section\" id=\"Choisir_son_outil_de_mesure\"><\/span>Choisir son outil de mesure<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trois options existent : bandelettes (\u00e9conomiques, pr\u00e9cision correcte), kit goutte (plus fiable) et sonde \u00e9lectronique (20 \u00e0 100 \u20ac, lecture imm\u00e9diate). La sonde reste le choix le plus pratique au quotidien.<\/p>\n<h3 id=\"la-bonne-m\u00e9thode-de-pr\u00e9l\u00e8vement\"><span class=\"ez-toc-section\" id=\"La_bonne_methode_de_prelevement\"><\/span>La bonne m\u00e9thode de pr\u00e9l\u00e8vement<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Pr\u00e9levez l&#39;eau \u00e0 30-50 cm de profondeur, loin des skimmers. Notez aussi le <strong>TAC<\/strong> (alcalinit\u00e9, id\u00e9al : 80-120 ppm) et le TH (duret\u00e9, id\u00e9al : 8-14 \u00b0f). Ces deux param\u00e8tres influencent directement la stabilit\u00e9 du pH. Testez 2 \u00e0 3 fois par semaine en saison, quotidiennement apr\u00e8s une forte pluie ou une grosse utilisation.<\/p>\n<h2 id=\"comment-baisser-un-ph-trop-\u00e9lev\u00e9-\"><span class=\"ez-toc-section\" id=\"Comment_baisser_un_pH_trop_eleve\"><\/span>Comment baisser un pH trop \u00e9lev\u00e9 ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Un pH sup\u00e9rieur \u00e0 7,6, c&#39;est du chlore qui ne sert presque \u00e0 rien. Le calcaire s&#39;installe, le filtre s&#39;encrasse.<\/p>\n<h3 id=\"quel-produit-utiliser\"><span class=\"ez-toc-section\" id=\"Quel_produit_utiliser\"><\/span>Quel produit utiliser<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Le <strong>pH minus<\/strong> se pr\u00e9sente en poudre ou en liquide (acide chlorhydrique ou sulfurique). <em>Hayward<\/em> et <em>Zodiac<\/em> proposent des formules liquides pratiques \u00e0 doser. Portez des gants et des lunettes. Toujours.<\/p>\n<h3 id=\"\u00e9tapes-dapplication\"><span class=\"ez-toc-section\" id=\"Etapes_dapplication\"><\/span>\u00c9tapes d&#39;application<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Diluez le pH- dans un seau d&#39;eau de piscine. Versez pr\u00e8s de la bonde de fond, filtre en marche. Attendez 4 \u00e0 6 heures, puis retestez. Proc\u00e9dez par petites doses : mieux vaut deux corrections qu&#39;une surcorrection acide.<\/p>\n<h2 id=\"comment-augmenter-un-ph-trop-bas-\"><span class=\"ez-toc-section\" id=\"Comment_augmenter_un_pH_trop_bas\"><\/span>Comment augmenter un pH trop bas ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Un pH inf\u00e9rieur \u00e0 7,2 irrite les yeux, attaque les liners et corrode les \u00e9quipements m\u00e9talliques.<\/p>\n<h3 id=\"quel-produit-utiliser-1\"><span class=\"ez-toc-section\" id=\"Quel_produit_utiliser-2\"><\/span>Quel produit utiliser<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Le <strong>pH plus<\/strong> \u00e0 base de bicarbonate ou de carbonate de sodium fait le travail. Dissolvez-le dans un seau avant de le verser, filtre allum\u00e9, r\u00e9parti uniform\u00e9ment sur toute la surface.<\/p>\n<h3 id=\"\u00e9tapes-dapplication-1\"><span class=\"ez-toc-section\" id=\"Etapes_dapplication-2\"><\/span>\u00c9tapes d&#39;application<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Patientez au moins 6 heures avant de retester. Pas de baignade pendant la stabilisation. Si le pH remonte trop lentement, v\u00e9rifiez d&#39;abord votre TAC : un TAC trop bas emp\u00eache le pH de se stabiliser durablement.<\/p>\n<h2 id=\"entretien-et-pr\u00e9vention--ne-pas-subir-anticiper\"><span class=\"ez-toc-section\" id=\"Entretien_et_prevention_ne_pas_subir_anticiper\"><\/span>Entretien et pr\u00e9vention : ne pas subir, anticiper<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>R\u00e9glez toujours le TAC avant le pH.<\/strong> C&#39;est la r\u00e8gle d&#39;or. Un TAC stable entre 80 et 120 ppm amortit les variations de pH naturellement.<\/p>\n<p>Faites tourner la filtration 6 \u00e0 12 heures par jour. Nettoyez le filtre chaque semaine. La pluie fait baisser le pH, le soleil et le chlore le font monter : surveillez davantage en plein \u00e9t\u00e9.<\/p>\n<ul>\n<li>R\u00e9gulateurs pH automatiques : 200 \u00e0 500 \u20ac, compatibles liquides <em>Zodiac<\/em> ou <em>Hayward<\/em><\/li>\n<li>Stockez vos produits au sec, au frais, hors de port\u00e9e des enfants<\/li>\n<li>En hivernage, visez 7,2 avant la vidange partielle<\/li>\n<\/ul>\n<p>Avec les \u00e9t\u00e9s de plus en plus chauds, les contr\u00f4les sont \u00e0 renforcer d\u00e8s juin.<\/p>\n<h2 id=\"et-maintenant-\"><span class=\"ez-toc-section\" id=\"Et_maintenant\"><\/span>Et maintenant ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Mesurez votre pH ce soir. Corrigez si besoin. Retestez demain. C&#39;est vraiment tout. Une eau \u00e9quilibr\u00e9e, c&#39;est une piscine qu&#39;on profite sans se poser de questions.<\/p>\n<p>Camille<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div itemscope=\"\" itemtype=\"https:\/\/schema.org\/FAQPage\">\n<div itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n<h3><span class=\"ez-toc-section\" id=\"Quel_est_le_pH_ideal_pour_une_piscine\"><\/span><span itemprop=\"name\">Quel est le pH id\u00e9al pour une piscine ?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n<p itemprop=\"text\">Entre 7,2 et 7,6, avec une cible \u00e0 7,4 pour le chlore. Cette plage garantit l&rsquo;efficacit\u00e9 du traitement et le confort des baigneurs.<\/p>\n<\/div>\n<\/div>\n<div itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n<h3><span class=\"ez-toc-section\" id=\"Comment_baisser_le_pH_dune_piscine\"><\/span><span itemprop=\"name\">Comment baisser le pH d&rsquo;une piscine ?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n<p itemprop=\"text\">Ajoutez du pH- dilu\u00e9 dans un seau, filtre en marche, et attendez 4 \u00e0 6 heures avant de retester.<\/p>\n<\/div>\n<\/div>\n<div itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n<h3><span class=\"ez-toc-section\" id=\"Comment_augmenter_le_pH_dune_piscine\"><\/span><span itemprop=\"name\">Comment augmenter le pH d&rsquo;une piscine ?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n<p itemprop=\"text\">Utilisez du pH+ dissous dans un seau d&rsquo;eau, versez avec la filtration en route et patientez 6 heures avant de tester \u00e0 nouveau.<\/p>\n<\/div>\n<\/div>\n<div itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n<h3><span class=\"ez-toc-section\" id=\"Combien_de_pH-_pour_baisser_le_pH_dune_piscine\"><\/span><span itemprop=\"name\">Combien de pH- pour baisser le pH d&rsquo;une piscine ?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n<p itemprop=\"text\">Comptez 100 \u00e0 200 g par 10 m\u00b3 pour descendre de 0,2 point. Pour passer de 7,8 \u00e0 7,2 sur 100 m\u00b3, pr\u00e9voyez environ 3,6 kg.<\/p>\n<\/div>\n<\/div>\n<div itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n<h3><span class=\"ez-toc-section\" id=\"Pourquoi_mon_pH_de_piscine_ne_se_stabilise-t-il_pas\"><\/span><span itemprop=\"name\">Pourquoi mon pH de piscine ne se stabilise-t-il pas ?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n<p itemprop=\"text\">V\u00e9rifiez d&rsquo;abord le TAC (il doit \u00eatre entre 80 et 120 ppm), puis nettoyez le filtre et contr\u00f4lez le taux de chlore et la duret\u00e9 de l&rsquo;eau.<\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>R\u00e9gler le pH de votre piscine, c&#39;est 10 minutes par semaine. Pas plus. Un pH entre 7,2 et 7,6 prot\u00e8ge votre peau, vos \u00e9quipements et l&#39;efficacit\u00e9 du chlore. En r\u00e9sum\u00e9 : pH trop haut ou trop bas, que faire ? Deux cas, deux produits. Voil\u00e0 la r\u00e9ponse courte. Situation Produit Dosage (100 m\u00b3) D\u00e9lai avant&#8230;<\/p>\n","protected":false},"author":1,"featured_media":651,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[5],"tags":[],"class_list":["post-650","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-entretien-piscine"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Comment r\u00e9gler le pH d&#039;une piscine : erreurs \u00e0 \u00e9viter en 2026<\/title>\n<meta name=\"description\" content=\"Comment r\u00e9gler le pH d&#039;une piscine facilement ? 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