{"id":52681,"date":"2022-12-07T10:15:00","date_gmt":"2022-12-07T09:15:00","guid":{"rendered":"https:\/\/www.fluidra.com\/commercial-solutions\/inspiration\/blog\/reducir-la-alcalinidad-de-la-piscina\/"},"modified":"2026-02-11T14:54:15","modified_gmt":"2026-02-11T13:54:15","slug":"reducir-la-alcalinidad-de-la-piscina","status":"publish","type":"new","link":"https:\/\/www.fluidra.com\/ca\/solucions-comercials\/inspiracio\/bloc\/reducir-la-alcalinidad-de-la-piscina\/","title":{"rendered":"C\u00f3mo bajar la alcalinidad de la piscina paso a paso"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Taula de continguts<\/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 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fluidra.com\/ca\/solucions-comercials\/inspiracio\/bloc\/reducir-la-alcalinidad-de-la-piscina\/#What_is_pool_alkalinity_and_why_does_the_pH_rise\" >What is pool alkalinity and why does the pH rise?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fluidra.com\/ca\/solucions-comercials\/inspiracio\/bloc\/reducir-la-alcalinidad-de-la-piscina\/#Difference_between_alkalinity_and_pH_in_water\" >Difference between alkalinity and pH in water<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fluidra.com\/ca\/solucions-comercials\/inspiracio\/bloc\/reducir-la-alcalinidad-de-la-piscina\/#Main_causes_of_high_alkalinity_in_swimming_pools\" >Main causes of high alkalinity in swimming pools<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fluidra.com\/ca\/solucions-comercials\/inspiracio\/bloc\/reducir-la-alcalinidad-de-la-piscina\/#How_to_measure_pool_alkalinity_correctly\" >How to measure pool alkalinity correctly<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fluidra.com\/ca\/solucions-comercials\/inspiracio\/bloc\/reducir-la-alcalinidad-de-la-piscina\/#Simple_methods_for_measuring_alkalinity\" >Simple methods for measuring alkalinity<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fluidra.com\/ca\/solucions-comercials\/inspiracio\/bloc\/reducir-la-alcalinidad-de-la-piscina\/#Recommended_total_alkalinity_values\" >Recommended total alkalinity values<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fluidra.com\/ca\/solucions-comercials\/inspiracio\/bloc\/reducir-la-alcalinidad-de-la-piscina\/#Consequences_of_high_alkalinity_in_the_pool\" >Consequences of high alkalinity in the pool<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.fluidra.com\/ca\/solucions-comercials\/inspiracio\/bloc\/reducir-la-alcalinidad-de-la-piscina\/#Problems_caused_in_the_water_and_equipment\" >Problems caused in the water and equipment<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.fluidra.com\/ca\/solucions-comercials\/inspiracio\/bloc\/reducir-la-alcalinidad-de-la-piscina\/#How_to_tell_if_alkalinity_is_too_high\" >How to tell if alkalinity is too high<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.fluidra.com\/ca\/solucions-comercials\/inspiracio\/bloc\/reducir-la-alcalinidad-de-la-piscina\/#How_to_safely_lower_the_alkalinity_of_your_pool\" >How to safely lower the alkalinity of your pool<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.fluidra.com\/ca\/solucions-comercials\/inspiracio\/bloc\/reducir-la-alcalinidad-de-la-piscina\/#Tips_for_maintaining_long-term_water_balance\" >Tips for maintaining long-term water balance<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>If your pool&#8217;s pH does not stabilize, the water easily becomes cloudy, and you use more product than normal, <strong>the problem is probably related to total alkalinity.<\/strong><\/p>\n\n<p>Understanding this is essential to effectively and safely lowering the alkalinity of your pool.<\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_pool_alkalinity_and_why_does_the_pH_rise\"><\/span><strong>What is pool alkalinity and why does the pH rise?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Total alkalinity measures<strong> the amount of salts with buffering capacity in the water<\/strong> (mainly bicarbonates). Its function is to buffer pH changes.<\/p>\n\n<p>When alkalinity <strong>is within range, the pH remains stable<\/strong>. If it is <strong>too high, the pH tends to rise<\/strong> continuously and is very difficult to correct.<\/p>\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Difference_between_alkalinity_and_pH_in_water\"><\/span>Difference between alkalinity and pH in water<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p>Although they are related, they are not the same:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>The pH indicates whether <strong>the water is acidic or basic<\/strong> (ideally between 7.2 and 7.6).<\/li>\n\n\n\n<li>Total alkalinity indicates <strong>the water&#8217;s ability to resist pH<\/strong> changes and is measured in ppm.<\/li>\n<\/ul>\n\n<p>You can adjust the pH, but if the alkalinity remains high, the value will shoot back up in no time.<\/p>\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Main_causes_of_high_alkalinity_in_swimming_pools\"><\/span>Main causes of high alkalinity in swimming pools<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p>The most common causes are:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Tap water with high carbonate content.<\/li>\n\n\n\n<li>Frequent refilling due to evaporation.<\/li>\n\n\n\n<li>Continued use of alkalizing products.<\/li>\n\n\n\n<li>Excessive corrections to compensate for acidic water.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_measure_pool_alkalinity_correctly\"><\/span><strong>How to measure pool alkalinity correctly<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Before thinking about how to lower pool alkalinity, you need to know where you are starting from. A reliable measurement also depends on the condition of the <a href=\"https:\/\/www.fluidra.com\/commercial-solutions\/inspiration\/blog\/pool-filtration-system\/\"><strong>pool&#8217;s filtration system<\/strong><\/a>, as this influences the overall water quality.<\/p>\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Simple_methods_for_measuring_alkalinity\"><\/span>Simple methods for measuring alkalinity<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p>The most common systems are:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Test strips:<\/strong> quick and easy to interpret.<\/li>\n\n\n\n<li><strong>Drop kits:<\/strong> slightly more accurate.<\/li>\n\n\n\n<li><strong>Digital meters:<\/strong> useful for frequent checks.<\/li>\n<\/ul>\n\n<p>Take the sample at mid-depth, away from nozzles and skimmers, and analyze immediately.<\/p>\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Recommended_total_alkalinity_values\"><\/span>Recommended total alkalinity values<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p>In most pools, <strong>the recommended range is between 80 and 120 ppm<\/strong>. This table will help you interpret the result:<\/p>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Measured alkalinity (ppm)<\/strong><\/td><td><strong>Water condition<\/strong><\/td><td><strong>What to do<\/strong><\/td><\/tr><tr><td>&lt; 80<\/td><td>Low alkalinity, unstable pH<\/td><td>Increase alkalinity with specific products<\/td><\/tr><tr><td>80\u2013120<\/td><td>Recommended and stable range<\/td><td>Maintain and monitor regularly<\/td><\/tr><tr><td>120\u2013180<\/td><td>High alkalinity<\/td><td>Begin gentle corrections with reducing products<\/td><\/tr><tr><td>&gt; 180<\/td><td>Very high alkalinity, pH difficult to control<\/td><td>More intensive correction plan and frequent measurements<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<p>Above the ideal range, the water may become less clear and begin to appear cloudy.<\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Consequences_of_high_alkalinity_in_the_pool\"><\/span><strong>Consequences of high alkalinity in the pool<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Problems_caused_in_the_water_and_equipment\"><\/span>Problems caused in the water and equipment<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p>When alkalinity is excessive, the following may occur:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Chronically high pH<\/strong>, which does not remain within the range.<\/li>\n\n\n\n<li><strong>Reduced disinfectant effectiveness<\/strong> and risk of the water turning green.<\/li>\n\n\n\n<li><strong>Scale and deposits on linings<\/strong>, ladders, and equipment.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_tell_if_alkalinity_is_too_high\"><\/span>How to tell if alkalinity is too high<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n<p>In addition to testing, you can suspect high alkalinity if:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>The pH rises again shortly after correcting it.<\/li>\n\n\n\n<li>You need more and more product to lower it.<\/li>\n\n\n\n<li>You notice whitish stains on the waterline or metal elements.<\/li>\n<\/ul>\n\n<p>If several of these symptoms occur, <strong>it is very likely that the alkalinity is above the recommended level<\/strong>.<\/p>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_safely_lower_the_alkalinity_of_your_pool\"><\/span><strong>How to safely lower the alkalinity of your pool<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Follow these steps to lower the alkalinity in a controlled manner:<\/p>\n\n<ol class=\"wp-block-list\">\n<li><strong>Measure the initial alkalinity and pH:<\/strong> Write down both values so you can check the effect of each correction later.<\/li>\n\n\n\n<li><strong>Stop using products that increase alkalinity:<\/strong> Stop adding alkalinity increasers or other alkalizing products while the adjustment is in progress.<\/li>\n\n\n\n<li><strong>Apply pH reducers:<\/strong> Acids, i.e., <a href=\"https:\/\/www.astralpool.com\/en\/en\/pool-chemicals\/maintenance\/balance.html\" target=\"_blank\" rel=\"noopener\">pH reducers<\/a>, are used to decrease alkalinity.<\/li>\n<\/ol>\n\n<ul class=\"wp-block-list\">\n<li>Follow the manufacturer&#8217;s recommended doses.<\/li>\n\n\n\n<li>Dilute the product in a bucket of water and distribute it around the pool, with the filtration system running.<\/li>\n<\/ul>\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>Let the water circulate and measure again: <\/strong>After several hours of recirculation, measure the pH and alkalinity again.<\/li>\n<\/ol>\n\n<ul class=\"wp-block-list\">\n<li>If the alkalinity is still high, repeat the process with small successive doses.<\/li>\n\n\n\n<li>Avoid sudden corrections so as not to upset other parameters.<\/li>\n<\/ul>\n\n<ol start=\"5\" class=\"wp-block-list\">\n<li><strong>Adjust the final pH:<\/strong> When the alkalinity is between 80\u2013120 ppm, correct the pH if necessary until it is between 7.2 and 7.6.<\/li>\n<\/ol>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tips_for_maintaining_long-term_water_balance\"><\/span><strong>Tips for maintaining long-term water balance<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Check<strong> pH and alkalinity at least once a week<\/strong>, not just chlorine; combine these checks with basic <a href=\"https:\/\/www.fluidra.com\/commercial-solutions\/inspiration\/blog\/swimming-pool-maintenance\/\">pool maintenance <\/a>practices.<\/li>\n\n\n\n<li>Monitor the effect of <strong>water refills<\/strong> and rainfall with subsequent measurements.<\/li>\n\n\n\n<li>Avoid making sudden corrections: it is better to work with small, frequent adjustments.<\/li>\n<\/ul>\n\n<p>For more stable management, you can support control with water treatment automation systems (excluding brands and links removed).<\/p>\n\n<p>Good alkalinity control from the start translates into a more comfortable, efficient pool that is ready to offer a more enjoyable swimming experience.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>If your pool&#8217;s pH does not stabilize, the water easily becomes cloudy, and you use more product than normal, the problem is probably related to total alkalinity. Understanding this is essential to effectively and safely lowering the alkalinity of your pool. What is pool alkalinity and why does the pH rise? Total alkalinity measures the [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":61757,"template":"","meta":{"_acf_changed":true},"new-category":[2166],"class_list":["post-52681","new","type-new","status-publish","has-post-thumbnail","hentry","new-category-leisure-pool-ca"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.fluidra.com\/ca\/wp-json\/wp\/v2\/new\/52681","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fluidra.com\/ca\/wp-json\/wp\/v2\/new"}],"about":[{"href":"https:\/\/www.fluidra.com\/ca\/wp-json\/wp\/v2\/types\/new"}],"author":[{"embeddable":true,"href":"https:\/\/www.fluidra.com\/ca\/wp-json\/wp\/v2\/users\/10"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fluidra.com\/ca\/wp-json\/wp\/v2\/media\/61757"}],"wp:attachment":[{"href":"https:\/\/www.fluidra.com\/ca\/wp-json\/wp\/v2\/media?parent=52681"}],"wp:term":[{"taxonomy":"new-category","embeddable":true,"href":"https:\/\/www.fluidra.com\/ca\/wp-json\/wp\/v2\/new-category?post=52681"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}