{"product_id":"triple-whole-house-hard-water-heavy-metal-chlorine-reduction-filter-system-20-x-4-5-big-blue-watermark-gt1-108-osp","title":"Triple Whole House Hard Water, Heavy Metal \u0026 Chlorine Reduction Filter System | 20\" x 4.5\" High Flow | Watermark (GT1-108-OSP)","description":"\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #3598db;\"\u003eTriple Whole House Hard Water, Heavy Metal \u0026amp; Chlorine Reduction Filter System\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cem\u003e\u003cspan style=\"color: #843fa1;\"\u003eWhat is water hardness \u0026amp; limescale and why should you treat it?\u003c\/span\u003e\u003c\/em\u003e\u003c\/h3\u003e\n\u003cp\u003e“Hard Water” contains high levels of naturally-occurring dissolved minerals, such as Calcium and Magnesium. When dissolved in water, these minerals form sticky “scale” crystals that can cause the following problems:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eScale can clog pipes and build up in and around fixtures such as taps and toilets;\u003c\/li\u003e\n\u003cli\u003eScale has a tendency to form in hot water systems and appliances such as washing machines, kettles and coffee machines;\u003c\/li\u003e\n\u003cli\u003eScale bonds with detergents to form soap scum which leaves a film and prevents proper cleaning (i.e white spots on glass, white soap scum residue on clothing).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"\" height=\"603\" src=\"https:\/\/www.filtersystemsaustralia.com.au\/media\/wysiwyg\/Scale_Map_Australia.jpg\" width=\"1206\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe level of hardness in your water depends on where your water supply comes from. For example, bore water is a common source of water hardness, and many geographical regions (i.e. Western Australia and South Australia) are renowned for soils with high mineral content.\u003c\/p\u003e\n\u003cp\u003eIf you live in an area with hard water, consider whether a Triple Whole House Hard Water Conditioning System with a Sediment, Carbon and OneStop Plus™ Water Conditioning Cartridge is the best option to reduce not only Chlorine and chemicals, but to help you combat the effects of scale build-up in your home!\u003c\/p\u003e\n\u003cp\u003eThe OneStop Plus™ system is a water conditioner designed to protect open circuit piping from limescale deposits. It can be installed as a Point-of-Entry device, for both cold and hot water, or as a Point-of-Use device, installed directly before the equipment that needs to receive treated water (saunas, dishwashers, washing machines, coffee machines, etc.). OneStop Plus™ media is a proprietary blend of two resins designed to treat hardness\/scale build up and reduce heavy metals. This media is fit for use with drinking water, and tested as compliant to the following certifications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe Scale Reduction Resin component is compliant to the \u003ca href=\"https:\/\/www.nsf.org\/knowledge-library\/nsf-ansi-standard-61-drinking-water-system-components-health-effects\"\u003eNational Sanitation Foundation Standard NSF\/ANSI No. 61.\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe Heavy Metal Reduction Resin component is compliant to the \u003ca href=\"https:\/\/rm.coe.int\/16804daaf3\"\u003eCouncil of Europe Resolution ResAP (2004) 3.\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\u003cdiv class=\"mf-ytw-wrapper\" data-allowfullscreen=\"0\" data-height=\"500px\" data-iframe-src=\"https:\/\/www.youtube.com\/embed\/m-LzZLaoBGs?start=\u0026amp;rel=0\u0026amp;showinfo=0\u0026amp;autoplay=1\u0026amp;modestbranding=1\" data-iframe-title=\"\" data-width=\"100%\" id=\"mf-ytw-wrapper-85e0e3c5cee432a338d851d9f90b322cb596bd3f\" style=\"width: 100%\"\u003e \u003cdiv class=\"mf-ytw-youtube\" data-background=\"black url('https:\/\/img.youtube.com\/vi\/m-LzZLaoBGs\/hqdefault.jpg') center no-repeat\" data-background-size=\"contain\"\u003e\u003cdiv class=\"mf-ytw-play-button\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg alt=\"\" height=\"300\" src=\"https:\/\/www.filtersystemsaustralia.com.au\/media\/wysiwyg\/OneStop_Media_with_logo.jpg\" style=\"display: block; margin-left: auto; margin-right: auto;\" width=\"300\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: #e67e23;\"\u003eHow It Works\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eOneStop Plus™ prevents limescale by interacting with the calcium carbonate molecules, turning them into harmless soft crystals. These soft carbonate crystals continue to flow with the water, however post-treatment, these molecules exhibit a significantly reduced ability to adhere to surfaces, and are simply washed away down the drain. At the same time, these soft crystals “snowball” their way through the water, attracting free calcium carbonate molecules and dramatically reducing existing limescale deposits.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" height=\"419\" src=\"https:\/\/www.filtersystemsaustralia.com.au\/media\/wysiwyg\/one_stop_1_1_.jpg\" width=\"1141\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: #e67e23;\"\u003eBalanced Water Chemistry for Corrosion Prevention\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eA significant advantage of the OneStop Plus™ system is that it retains the natural minerals in the water, maintaining the water’s mineral balance. This balanced saturation helps prevent the corrosive conditions commonly associated with conventional salt-based water softeners, which strip minerals and can destabilize water chemistry. This ensures your water remains safe for piping and appliances while mitigating limescale problems.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: #e03e2d;\"\u003eImportant Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eWhile the OneStop Plus™ system effectively conditions water to prevent and reduce limescale deposits, \u003cspan style=\"text-decoration: underline;\"\u003eit does not remove calcium or magnesium from the water\u003c\/span\u003e. Users may still observe the presence of these minerals, such as calcium deposits on surfaces if the water is allowed to dry. However, these deposits are less adherent and easier to clean compared to untreated water. \u003cstrong\u003eFor best results in these areas such as glass shower screens, it is recommeneded to squeegee or dry the glass after use to prevent spotting.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor optimal performance, consider pairing the OneStop Plus™ with a carbon filter upgrade to further reduce chlorine, heavy metals, and other contaminants.\u003c\/p\u003e\n\u003cp\u003eBy choosing the OneStop Plus™ system, you are opting for an environmentally friendly, low-maintenance, and highly effective solution to combat the effects of hard water while preserving your water’s natural balance and essential minerals.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline; color: #e03e2d;\"\u003eFor a full list of technical specifications, including installation information, see \u003cstrong\u003eSpecs\/Performance Tab.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan style=\"color: #843fa1;\"\u003eHeavy Metal Reduction\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003eAs an added bonus, OneStop Plus™ media has the secondary effect of adsorbing heavy metals, without leaching them back into the water! For the best results in this system, and for added peace of mind, we strongly recommend selecting the optional Carbon Filter upgrade to the 0.5 Micron Lead and Heavy Metals Reduction Cartridge (pictured below), which will help reduce heavy metals for even better heavy metal reduction results!\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cbr\u003e\u003cimg alt=\"\" height=\"318\" src=\"https:\/\/www.filtersystemsaustralia.com.au\/media\/wysiwyg\/One_Stop_Media_Test_Results.JPG\" style=\"display: block; margin-left: auto; margin-right: auto;\" width=\"600\"\u003e\u003cstrong\u003eNOTE: Above results based on OSP cartridge only. Additional performance possible when utilising GT4-19LRC\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: #843fa1;\"\u003eFeatures \u0026amp; Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eRetains Essential Minerals:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConverts limescale into harmless crystals.\u003c\/li\u003e\n\u003cli\u003eReduces existing limescale deposits.\u003c\/li\u003e\n\u003cli\u003ePrevents limescale build-up without using chemicals, electricity, or salt.\u003c\/li\u003e\n\u003cli\u003eSafe for drinking water applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmentally Friendly:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo water waste from backwashing.\u003c\/li\u003e\n\u003cli\u003eNo regeneration cycle required.\u003c\/li\u003e\n\u003cli\u003eSalt-free solution for improved sustainability.\u003c\/li\u003e\n\u003cli\u003eIncreases the efficiency of boilers and other equipment in contact with treated water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eReduces Heavy Metals:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEffectively reduces levels of copper, lead, zinc, and cadmium.\u003c\/li\u003e\n\u003cli\u003eLong-lasting cartridge life; water hardness is not a limiting factor.*\u003c\/li\u003e\n\u003cli\u003eCompatible with most municipal water supplies (see Specifications).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan style=\"color: #3598db;\"\u003eSystem Contains:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3x 20\" x 4.5\" High Flow Housings - Pre-assembled with bracket affixed\u003c\/li\u003e\n\u003cli\u003e1x Sediment Pre-Filter (Stage 1)\u003c\/li\u003e\n\u003cli\u003e1x One Stop Plus Water Conditioner Cartridge (Stage 2)\u003c\/li\u003e\n\u003cli\u003e1x 20\" x 4.5\" Coconut Carbon Block Filter (Stage 3)\u003c\/li\u003e\n\u003cli\u003eOpening Handle - Suit 4.5\" Housings (GT17-2S)\u003c\/li\u003e\n\u003cli\u003e3x 1\/4\" Plugs \u0026amp; Seals to suit 20\" Housing Pressure Gauge Port\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"color: #e67e23;\"\u003e\u003cstrong\u003eBasic Technical Specifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #000000;\"\u003eDimensions:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eHeight - 70cm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eWidth - 62cm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eDepth - 20cm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eFilter Cartridge Size: 20\" x 4.5\"\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003ePorts: 1\" Female BSP (Stainless Steel)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eMax Pressure: 500 kPa (Exceeding this requires Pressure Reduction Valve)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eRecommended Pressure: 350 kPa - 500 kPa\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eTemperature: 0.5°C - 37.8°C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #000000;\"\u003eMax Flow: 60L\/Min\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003eService Flow 15L\/Min for best results\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan style=\"color: #e03e2d;\"\u003eWaterMark Certified\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis Water Filter System is certified to WaterMark Standard AS 3497 under Certificate Number 23247. WaterMark certification is a mandatory requirement under Australian law for water filter systems to be installed by licensed plumbers. Products bearing this certification meet rigorous Australian plumbing and water safety standards, ensuring compliance and reliability. Our WaterMark-certified filter systems are hand-assembled in Australia and undergo random batch testing to maintain the highest quality and workmanship, giving you confidence in the safety and performance of your water filtration products.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"color: #e67e23;\"\u003e\u003cstrong\u003eFilter Cartridge Options\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eYou will find several cartridge options for both the 1st and 3rd cartridge, all of which may be useful in different scenarios. Below are the most common configurations used, please note these are general recommendations only and may not always suit your requirements. If you are unsure, please contact us prior to purchase to ensure you are getting the correct filters.\u003c\/p\u003e\n\u003ch4\u003eOption 1 - Standard, Chlorinated Mains Water\u003c\/h4\u003e\n\u003cp\u003eThis is the set of filters that suits the largest number of applications. It will cover dirt\/sediemnt, Hardness \u0026amp; Chlorine and other chemicals.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e5 Micron Polyspun Sediment Filter (GT2-28K)\u003c\/li\u003e\n\u003cli\u003eOSP\u003c\/li\u003e\n\u003cli\u003e5 Micron Coconut Carbon Block (GT4-19CTO)\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003eOption 2 - Premium, Chlorinated Mains Water + Heavy Metal Filter\u003c\/h4\u003e\n\u003cp\u003eThis set is the premium option that uses a specialist carbon filter for targeting everything mentioned above, including heavy metals. This carbon block is rated to 0.5uM so ideally this should only be used where the mains water pressure is between 350 - 500 kPa. If you susspect your water pressure is \"ok\" or \"lower than average\" this cartridge may not be suitable.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e5 Micron Polyspun Sediment Filter (GT2-28K)\u003c\/li\u003e\n\u003cli\u003eOSP\u003c\/li\u003e\n\u003cli\u003e0.5 Micron or 5 Micron Lead Reduction Coconut Carbon Block (GT4-19LRCP5 or GT4-19LRC05)\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003eOption 3 - Premium, Chlorinated Mains Water + Chloramine Reduction\u003c\/h4\u003e\n\u003cp\u003eThis set is recommended for mains water supplies that use Chloramine disinfection. Chloramine is the primary disinfection method used in most metropolitian cities in Australia, Including Sydney, Brisbane, Melbourne and widely used in WA and SA.\u003cbr\u003eThe easiest way to find out if your water contains Chloramine is to contact your local water provider (or council).\u003c\/p\u003e\n\u003cp\u003eThis carbon block is rated to 0.5uM so ideally this should only be used where the mains water pressure is between 350 - 500 kPa. If you susspect your water pressure is \"ok\" or \"lower than average\" this cartridge may not be suitable.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e5 Micron Polyspun Sediment Filter (GT2-28K)\u003c\/li\u003e\n\u003cli\u003eOSP\u003c\/li\u003e\n\u003cli\u003e0.5 Micron Chloramine Reduction Catalytic Coconut Carbon Block (GT4-19CRC)\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003eAlternative Water Supplies - Bore Water* Etc.\u003c\/h4\u003e\n\u003cp\u003eDue to the wide range of potential contaminants in bore water, we cannot provide a recommendation for filter cartridges unless the water has a valid water analyis. \u003ca href=\"https:\/\/www.filtersystemsaustralia.com.au\/shop-by-product\/water-analysis-service.html\"\u003eClick here for further details on water analysis.\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"color: #843fa1;\"\u003eOptional Extras \u0026amp; Add-ons\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePressure Gauges - Monitor Performance and assist with troubleshooting\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEnhance your whole house water filter system with pressure gauges to ensure peak performance and efficiency. These handy tools allow you to monitor water pressure before and after the filter, making it easy to identify when maintenance or filter replacement is needed. By preventing clogs and ensuring consistent water flow, pressure gauges protect your plumbing system and maintain water quality. A simple yet effective addition, they help you troubleshoot issues like leaks or blockages, saving time and extending the life of your filtration system.\u003c\/p\u003e\n\u003cp\u003eIf you are unsure of your water pressure before purchase, you can use out handy \u003cstrong\u003e\u003cspan style=\"color: #3598db; text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/www.filtersystemsaustralia.com.au\/water-pressure-test-kit-gauge-60mm-gt16-4.html\" style=\"color: #3598db; text-decoration: underline;\"\u003eWater Pressure Test Kit\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e to ensure the install conditions are within the specifications of this filter system.\u003c\/p\u003e","brand":"Pure Water Filters R Us","offers":[{"title":"Default Title","offer_id":50161726095617,"sku":"GT1-108-OSP","price":1080.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/9764\/8385\/files\/gt1-108-osp_-_grey_housings.jpg?v=1786079707","url":"https:\/\/www.purewaterfiltersrus.com.au\/products\/triple-whole-house-hard-water-heavy-metal-chlorine-reduction-filter-system-20-x-4-5-big-blue-watermark-gt1-108-osp","provider":"Pure Water Filters R Us","version":"1.0","type":"link"}