{"product_id":"brs-pro-series-cation-di-resin","title":"BRS Pro Series Cation DI Resin","description":"\u003ch1\u003ePRO Series Cation Single Bed Color-Changing DI Resin for RO\/DI Systems\u003c\/h1\u003e\n\u003cp\u003eMaximize the efficiency of your multi-stage RO\/DI filtration system with \u003cstrong\u003ePRO Series Cation Single Bed Color-Changing DI Resin\u003c\/strong\u003e. Engineered to remove positively charged dissolved ions, this high-capacity cation exchange resin is the ideal first stage in a dedicated single-bed deionization setup, helping extend the life of downstream anion and mixed-bed DI resin while consistently producing ultra-pure water for your aquarium.\u003c\/p\u003e\n\u003cp\u003eUnlike traditional mixed-bed resin, this single-bed cation resin specifically targets contaminants such as \u003cstrong\u003ecalcium, magnesium, sodium, iron, and aluminum\u003c\/strong\u003e. As the resin becomes exhausted, it changes from \u003cstrong\u003epurple to amber\u003c\/strong\u003e, providing a simple visual indication that it's time for replacement—no guessing required.\u003c\/p\u003e\n\u003cp\u003ePerfect for reef keepers with high-TDS source water or advanced RO\/DI systems, this resin helps improve filtration efficiency, reduce operating costs, and maintain consistently clean water for sensitive corals, marine fish, and invertebrates.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePremium single-bed cation exchange resin\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eColor-changing media turns from \u003cstrong\u003epurple to amber\u003c\/strong\u003e when exhausted\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRemoves positively charged ions including calcium, magnesium, sodium, iron, and aluminum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal as the first DI stage in multi-cartridge RO\/DI systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHelps extend the lifespan of anion and mixed-bed DI resin\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProduces cleaner, lower-TDS water for reef and freshwater aquariums\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with most standard refillable 10-inch DI cartridges\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVacuum-sealed packaging preserves freshness and provides a long unopened shelf life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor hobbyists looking to achieve the highest water quality possible, a dedicated cation resin stage is an excellent upgrade over a single mixed-bed cartridge. By removing positive ions first, your entire RO\/DI system operates more efficiently, resulting in longer resin life, lower maintenance costs, and consistently pure water for healthy aquarium livestock.\u003c\/p\u003e","brand":"Paris Reef Shop","offers":[{"title":"1.25 lbs (1 Refill)","offer_id":58167257563296,"sku":null,"price":26.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/9227\/4848\/files\/200136-brs-exb-di-saver-cationresin-fr-1200x1200_1.webp?v=1783771292","url":"https:\/\/www.parisreefshop.ca\/products\/brs-pro-series-cation-di-resin","provider":"Paris Reef Shop","version":"1.0","type":"link"}