{"id":271272,"date":"2026-09-10T15:56:37","date_gmt":"2026-09-10T13:56:37","guid":{"rendered":"https:\/\/mooiwater.nl\/"},"modified":"2026-10-13T11:22:27","modified_gmt":"2026-10-13T09:22:27","slug":"is-descaling-the-same-as-demineralising","status":"publish","type":"post","link":"https:\/\/mooiwater.nl\/en\/blog\/is-descaling-the-same-as-demineralising\/","title":{"rendered":"Is descaling the same as demineralising?"},"content":{"rendered":"

[et_pb_section fb_built=”1″ _builder_version=”4.27.0″ _module_preset=”default” background_color=”#f6f6f6″ custom_margin=”0px||0px||true|false” custom_margin_tablet=”0px||0px||true|false” custom_margin_phone=”0px||||false|false” custom_margin_last_edited=”on|phone” custom_padding=”0px||0px|||” global_module=”5923″ saved_tabs=”all” locked=”on” collapsed=”on” global_colors_info=”{}”][\/et_pb_section][et_pb_section fb_built=”1″ custom_padding_last_edited=”on|phone” admin_label=”Hero section” _builder_version=”4.27.7″ background_color=”#003558″ background_enable_image=”off” custom_margin=”||||true|false” custom_margin_tablet=”” custom_margin_phone=”0px||0px||true|false” custom_margin_last_edited=”on|phone” custom_padding=”50px||50px||true|false” custom_padding_tablet=”0px||50px||false|false” custom_padding_phone=”25px||50px||false|false” bottom_divider_style=”wave” bottom_divider_color=”#e3f9fa” bottom_divider_height=”54px” bottom_divider_repeat=”1.5x” bottom_divider_flip=”vertical” bottom_divider_arrangement=”above_content” hover_transition_duration=”0ms” background_last_edited=”off|desktop” background_enable_color_phone=”off” background_image_phone=”https:\/\/mooiwater.nl\/wp-content\/uploads\/2020\/10\/header-image.svg” background_enable_image_phone=”on” custom_css_free_form=”.bottom{|| background-color: #003558;||}||||.custom-menu-wrapper .menu a{|| color: #fff !important;||}||||.custom-menu-wrapper .menu .sub-menu li a{|| color: #003558 !important;||}” saved_tabs=”all” locked=”off” global_colors_info=”{}” title_text_phone=”Group 15 (1)”][et_pb_row custom_padding_last_edited=”on|phone” _builder_version=”4.16″ custom_margin=”||0px||false|false” custom_padding=”30px||25px||false|false” custom_padding_tablet=”||0px||false|false” custom_padding_phone=”0px||0px||false|false” hover_transition_duration=”0ms” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ global_colors_info=”{}”][et_pb_text content_last_edited=”off|tablet” admin_label=”Page Title” _builder_version=”4.27.5″ _dynamic_attributes=”content” text_font=”Open Sans||||||||” text_text_color=”#ffffff” text_font_size=”28px” text_line_height=”1.6em” header_font=”Open Sans|800|||||||” header_text_color=”#ffffff” header_font_size=”36px” custom_margin=”||10px||false|false” custom_margin_tablet=”0px||20px||false|false” custom_margin_phone=”40px||0px||false|false” custom_margin_last_edited=”on|phone” custom_padding=”0px||||false|false” custom_padding_tablet=”0px||||false|false” custom_padding_phone=”||20px||false|false” custom_padding_last_edited=”on|phone” hover_transition_duration=”0ms” text_font_size_tablet=”” text_font_size_phone=”28px” text_font_size_last_edited=”on|desktop” header_font_size_tablet=”” header_font_size_phone=”22px” header_font_size_last_edited=”on|phone” background_last_edited=”on|phone” background_enable_image_phone=”off” global_colors_info=”{}” title_text_phone=”header image”]@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF90aXRsZSIsInNldHRpbmdzIjp7ImJlZm9yZSI6IjxoMT4iLCJhZnRlciI6IjwvaDE+In19@[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.7″ background_color=”#e3f9fa” global_colors_info=”{}”][et_pb_row column_structure=”2_3,1_3″ _builder_version=”4.16″ custom_padding=”0px||5px||false|false” border_color_bottom=”#d1d1d1″ global_colors_info=”{}”][et_pb_column type=”2_3″ _builder_version=”4.16″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.9″ _module_preset=”default” text_text_color=”#121212″ link_text_color=”#00aced” header_font=”Open Sans|700|||||||” header_text_color=”#0072fe” header_font_size=”24px” header_2_font=”Open Sans|700|||||||” header_2_text_color=”#00aced” header_2_font_size=”24px” custom_margin=”0px||||false|false” hover_enabled=”0″ header_font_size_tablet=”” header_font_size_phone=”18px” header_font_size_last_edited=”on|phone” header_2_font_size_tablet=”” header_2_font_size_phone=”18px” header_2_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

Is ontkalken hetzelfde als demineraliseren?<\/span><\/h2>\n

Rond onthard water bestaat een hardnekkig misverstand: dat het hetzelfde zou zijn als gedemineraliseerd water, met een andere zuurgraad tot gevolg die je leidingen zou aantasten. In deze blog lees je wat het verschil is tussen ontkalken en demineraliseren, en waarom die aantasting van je leidingen bij een waterontharder niet aan de orde is.<\/span><\/p>\n

Wat is het verschil tussen ontkalken en demineraliseren?<\/span><\/h2>\n

Een <\/span>waterontharder<\/span><\/a> haalt alleen de mineralen Calcium en Magnesium uit het water. Gedemineraliseerd water is daarentegen ontdaan van alle mineralen en overige vaste deeltjes, waardoor er simpelweg H2O overblijft, puur water zonder enige samenstelling. Ontharden raakt dus maar een heel beperkt deel van de samenstelling van het water, terwijl demineraliseren het water volledig kaal maakt.<\/span><\/p>\n

Verandert ontharden de zuurgraad (pH) van je water?<\/span><\/h2>\n

Nee. Bij het ontharden blijven de Total Dissolved Solids (TDS) en de carbonaathardheid (KH) precies gelijk aan voor het ontharden. Omdat deze waarden niet veranderen, verandert ook de zuurgraad (pH) van het water niet. Dat is precies waar het bij demineraliseren wel misgaat: haal je alle mineralen uit het water, dan verandert de pH wel, en kan het water zuur en corrosief worden.<\/span><\/p>\n

Is onthard water slecht voor koperen leidingen?<\/span><\/h2>\n

Nee, integendeel: kalkvrij water is juist goed voor koperen leidingen. De ruwe kalk in hard water laat leidingen zelfs sneller slijten dan ontkalkt water, dat leidingen juist schoon en glad houdt. Dit is uitgebreid onderzocht door TNO in opdracht van Aquacombi (rapport TNO 2012 R10424). Meer over dit onderwerp lees je op onze pagina’s over of <\/span>zacht water corrosief is<\/span><\/a> en of <\/span>hard water koperen leidingen aantast<\/span><\/a>.<\/span><\/p>\n

Waar komt de fabel vandaan dat ontharden hetzelfde is als demineraliseren?<\/span><\/h2>\n

Deze fabel is te herleiden tot een verwarring met natuurlijk zacht water. Zacht water dat je in de natuur aantreft, zoals regenwater, heeft namelijk vaak wel een hoge zuurgraad en tast koperen leidingen en andere metalen wel aan. Je leidingwater is echter altijd pH-neutraal, en een waterontharder verandert daar niets aan. Onthard water dat uit je eigen waterontharder komt, is dus niet gedemineraliseerd of zuur, en tast je leidingen niet aan.<\/span><\/p>\n

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Is ontkalken hetzelfde als demineraliseren? Rond onthard water bestaat een hardnekkig misverstand: dat het hetzelfde zou zijn als gedemineraliseerd water, met een andere zuurgraad tot gevolg die je leidingen zou aantasten. In deze blog lees je wat het verschil is tussen ontkalken en demineraliseren, en waarom die aantasting van je leidingen bij een waterontharder niet […]<\/p>\n","protected":false},"author":34,"featured_media":252652,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[59],"tags":[],"class_list":["post-271272","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"\nIs ontkalken hetzelfde als demineraliseren? | Mooiwater<\/title>\n<meta name=\"description\" content=\"Ontkalken en demineraliseren worden vaak door elkaar gehaald. 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