{"id":815,"date":"2026-01-29T17:08:07","date_gmt":"2026-01-29T07:08:07","guid":{"rendered":"https:\/\/www.thinkwater.co.nz\/marlborough\/?p=815"},"modified":"2026-01-29T17:08:10","modified_gmt":"2026-01-29T07:08:10","slug":"when-should-you-replace-your-water-filter","status":"publish","type":"post","link":"https:\/\/www.thinkwater.co.nz\/marlborough\/2026\/01\/29\/when-should-you-replace-your-water-filter\/","title":{"rendered":"When Should You Replace Your Water Filter?"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.thinkwater.co.nz\/marlborough\/\"><img decoding=\"async\" src=\"https:\/\/www.thinkwater.co.nz\/aucklandsouth\/wp-content\/uploads\/sites\/47\/2026\/01\/filter-2026-blog-img-2-1024x512.png\" alt=\"\" class=\"wp-image-722\"\/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"has-medium-font-size\"><strong>A Guide for Marlborough<\/strong> <strong>Homes<\/strong><\/p>\n\n\n\n<p>Clean, great-tasting water relies on one simple thing \u2013 a properly maintained filter. At <strong><a href=\"https:\/\/www.thinkwater.co.nz\/marlborough\/\">Think Water <strong>Marlborough<\/strong><\/a><\/strong>, one of the most common questions we hear is, <em>\u201cHow often should I change my water filter?\u201d<\/em><\/p>\n\n\n\n<p>For most Marlborough households, the answer is every <strong>6 to 12 months<\/strong>, depending on water quality, usage, and the type of system installed.<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Why Filter Changes Are So Important<\/strong><\/p>\n\n\n\n<p>Your filter captures sediment, chlorine, rust, and other contaminants from your water supply. Over time, these particles build up and restrict flow. When a filter becomes blocked, it no longer works effectively and can start causing problems throughout your home.<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Health Risks of Using an Old Filter<\/strong><\/p>\n\n\n\n<p>A clogged filter can become a breeding ground for bacteria. Instead of protecting your household, it may actually allow contaminants to pass through. This can result in unpleasant tastes and odours, and increased exposure to chlorine and other chemicals.<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>How a Blocked Filter Affects Your System<\/strong><\/p>\n\n\n\n<p>When water struggles to pass through a dirty filter, pressure builds up inside your system. This can lead to leaks, cracked housings, and unnecessary wear on pumps and fittings. What starts as a simple cartridge replacement can quickly turn into a costly repair if left too long.<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Impact on Appliances<\/strong><\/p>\n\n\n\n<p>Poor filtration doesn\u2019t just affect drinking water. Coffee machines, kettles, dishwashers, and hot water systems can all suffer from scale and sediment build-up. Regular filter changes help protect these appliances and keep them running efficiently for longer.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.thinkwater.co.nz\/marlborough\/\"><img decoding=\"async\" src=\"https:\/\/www.thinkwater.co.nz\/aucklandsouth\/wp-content\/uploads\/sites\/47\/2026\/01\/filter-2026-blog-img-1-1024x512.png\" alt=\"\" class=\"wp-image-723\"\/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"has-medium-font-size\"><strong>How Often Should You Change Your Filter?<\/strong><\/p>\n\n\n\n<p>As a general rule, most household filters should be replaced every <strong>6 to 12 months<\/strong>. Sediment filters may need changing more frequently, especially in high-usage homes or areas with higher levels of particles in the water. If you\u2019re unsure, the team at <strong><a href=\"https:\/\/www.thinkwater.co.nz\/marlborough\/\">Think Water Marlborough<\/a><\/strong> can assess your system and water quality.<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Your Local Filtration Experts in Marlborough<\/strong><\/p>\n\n\n\n<p>Whether you have an under-sink system, whole-house filtration, or a commercial setup, our experienced team can help you choose the right solution and keep your system performing at its best.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"has-text-align-center has-h-3-font-size\"><strong>Book a Filter Change Today<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\">Don\u2019t wait until your water quality drops. Visit <strong><a href=\"https:\/\/www.thinkwater.co.nz\/marlborough\/\">Think Water Marlborough<\/a><\/strong> or contact our team to organise your next filter replacement and enjoy cleaner, safer water all year round.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A Guide for Marlborough Homes Clean, great-tasting water relies on one simple thing \u2013 a properly maintained filter. At Think Water Marlborough,&hellip; <a class=\"more-link\" href=\"https:\/\/www.thinkwater.co.nz\/marlborough\/2026\/01\/29\/when-should-you-replace-your-water-filter\/\">Continue reading <span class=\"screen-reader-text\">When Should You Replace Your Water Filter?<\/span><\/a><\/p>\n","protected":false},"author":12,"featured_media":817,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":".single-post .post-thumbnail,\n.single-post .wp-post-image {\n    display: none;\n}","footnotes":""},"categories":[1],"tags":[],"class_list":["post-815","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorised","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>When to Replace Your Water Filter in Marlborough | Home Guide<\/title>\n<meta name=\"description\" content=\"Learn how often you should change your water filter and the signs it needs replacing. 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