{"product_id":"crystal-quest-alkaline-under-sink-filtration-system","title":"Crystal Quest Alkaline Under Sink Filtration System","description":"\u003ch2\u003eCrystal Quest Alkaline Under Sink Water Filtration System – Alkalizing Drinking Water Filter\u003c\/h2\u003e\n\u003cp\u003eThe Crystal Quest Alkaline Under Sink Water Filtration System is a point-of-use drinking water filter designed to install beneath a sink and connect to the included faucet setup. It is available in single, double, and triple configurations, with connection choices for T-valve, saddle valve, or both. The system uses an alkalizing cartridge with ionizer media containing magnesium and calcium to help increase oxygenation and drive pH higher. The single configuration includes the alkalizing cartridge, the double configuration adds the SMART cartridge, and the triple configuration adds both SMART and carbon block filtration. With a 1\/4\" connection size and 10,000-gallon listed capacity, this under-sink alkaline water filter is suitable for drinking water use in homes, apartments, offices, and other point-of-use applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eUnder-Sink Alkalizing Filtration for Drinking Water\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis Crystal Quest system installs beneath the sink to keep the filter housing off the countertop. It is designed for point-of-use drinking water applications where alkalizing support and the included faucet setup are preferred.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAlkalizing Cartridge with Mineral Media\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe alkalizing cartridge uses ionizer media containing magnesium and calcium to help increase oxygenation and raise pH. This gives buyers an under-sink alkalizing option where under-sink placement is preferred.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSingle, Double, or Triple Configurations\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe alkalizing cartridge is the core stage of the system. The single configuration includes the alkalizing cartridge, the double configuration adds the SMART cartridge, and the triple configuration adds both SMART and carbon block filtration.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eConnection Type and Installation Planning\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSelect the T-valve, saddle valve, or both option based on the home’s under-sink plumbing and the installation manual. A leak detector or flood-prevention valve may be considered for added installation protection where appropriate.\u003c\/p\u003e\n\u003c!-- Responsive Image\/Text Blocks --\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; justify-content: center; padding: 0;\"\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 50%; padding: 0 4px;\" class=\"responsive-half\"\u003e\u003cimg decoding=\"async\" loading=\"lazy\" style=\"width: 100%; height: auto;\" class=\"responsive-image\" alt=\"Crystal Quest alkaline under sink water filter system for drinking water filtration\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0761\/5781\/2888\/files\/Alkaline1.webp?v=1777590763\" width=\"1000\" height=\"1000\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 50%; padding: 1rem; text-align: center;\" class=\"responsive-half\"\u003e\n\u003cp\u003eThis under-sink alkaline water filter is designed for kitchens and point-of-use drinking water setups where under-sink placement is preferred. It connects below the sink and supplies filtered water through the included faucet setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Image Block 2 --\u003e\n\u003cdiv class=\"image-block-2\" style=\"display: flex; flex-wrap: wrap; align-items: center; justify-content: center; padding: 0;\"\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 50%; padding: 1rem; text-align: center;\" class=\"responsive-half\"\u003e\n\u003cp\u003eChoose the configuration and valve option that match your available installation space, plumbing, and water goals. Single, double, and triple layouts support different cartridge combinations, while T-valve and saddle-valve selections support different under-sink connection setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; max-width: 50%; padding: 0 4px;\" class=\"responsive-half\"\u003e\u003cimg decoding=\"async\" loading=\"lazy\" style=\"width: 100%; height: auto;\" class=\"responsive-image\" alt=\"Crystal Quest alkaline under sink filter single double triple configurations and valve options\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0761\/5781\/2888\/files\/Alkaline.webp?v=1777590763\" width=\"1000\" height=\"1000\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Mobile Stack Fix --\u003e\n\u003cstyle\u003e\n@media(max-width:768px) {\n  .responsive-half { max-width: 100% !important; flex: 1 1 100% !important; }\n  .responsive-image { width: 100% !important; height: auto !important; }\n  .image-block-2 { flex-direction: column-reverse !important; }\n}\n\u003c\/style\u003e\n\u003ch3\u003eCrystal Quest Alkaline Under Sink Water Filtration System Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlkalizing cartridge:\u003c\/strong\u003e Uses ionizer media containing magnesium and calcium to help increase oxygenation and raise pH.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnder-sink installation:\u003c\/strong\u003e Installs beneath the sink to keep the filtration system out of countertop space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded faucet setup:\u003c\/strong\u003e Comes with faucet hardware and installation components for filtered water access.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle, double, or triple options:\u003c\/strong\u003e Choose the cartridge layout that fits available installation space and filtration needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection choices:\u003c\/strong\u003e Available with T-valve, saddle valve, or both depending on installation requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10,000-gallon listed capacity:\u003c\/strong\u003e Provides listed filtered-water capacity of 10,000 gallons, or 1-3 years, or when water flow stops or slows greatly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak detector option:\u003c\/strong\u003e A flood-prevention valve may be considered for added installation protection where appropriate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"background: #EFE9DC; color: #1f1f1f; border: 1px solid #D6D0C4; border-radius: 8px; padding: 1.5rem; text-align: center; margin: 2rem 0;\"\u003e\n\u003cp\u003e\u003cstrong\u003eNeed help choosing the right alkaline under-sink filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTrueStead Supply can help you compare configuration size, connection type, and installation requirements.\u003c\/p\u003e\n\u003cp\u003e✓ Alkalizing cartridge with mineral media\u003cbr\u003e✓ Single, double, and triple configurations\u003cbr\u003e✓ T-valve and saddle-valve connection choices\u003c\/p\u003e\n\u003ca href=\"https:\/\/www.truesteadsupply.com\/pages\/contact-us\" style=\"display: inline-block; padding: 0.75rem 1.5rem; background-color: #2f4f2f; color: #ffffff; text-decoration: none; font-weight: bold; border-radius: 6px;\"\u003eContact Us for a Quote\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCrystal Quest Alkaline Under Sink Water Filtration System Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 2rem; border: 1px solid #D6D0C4;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem; font-weight: bold;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem;\"\u003eCrystal Quest\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem; font-weight: bold;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem;\"\u003eAlkaline under sink water filtration system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem; font-weight: bold;\"\u003eInstallation Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem;\"\u003eUnder sink, included faucet setup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem; font-weight: bold;\"\u003eConfiguration Options\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem;\"\u003eSingle, double, or triple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem; font-weight: bold;\"\u003eCartridge Mapping\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem;\"\u003eSingle: alkalizing cartridge; Double: alkalizing + SMART; Triple: alkalizing + SMART + carbon block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem; font-weight: bold;\"\u003eConnection Type Options\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem;\"\u003eT-valve, saddle valve, or both\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem; font-weight: bold;\"\u003eConnection Size\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem;\"\u003e1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem; font-weight: bold;\"\u003ePrimary Cartridge Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem;\"\u003eAlkalizing water filter cartridge with ionizer media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem; font-weight: bold;\"\u003eIonizer Media Minerals\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem;\"\u003eMagnesium and calcium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem; font-weight: bold;\"\u003eAdditional Cartridge Stages\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem;\"\u003eDouble configurations add SMART filtration; triple configurations add SMART and carbon block filtration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem; font-weight: bold;\"\u003eListed Filtered Water Capacity\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem;\"\u003e10,000 gallons, or 1-3 years, or when water flow stops or slows greatly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem; font-weight: bold;\"\u003eOperating Pressure\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem;\"\u003e20-60 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem;\"\u003e40°F-90°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem; font-weight: bold;\"\u003eSingle Dimensions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem;\"\u003e5\" L × 14\" H × 5\" W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem; font-weight: bold;\"\u003eDouble Dimensions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem;\"\u003e10\" L × 14\" H × 5\" W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem; font-weight: bold;\"\u003eTriple Dimensions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem;\"\u003e15\" L × 14\" H × 5\" W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem; font-weight: bold;\"\u003eRecommended Add-On\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem;\"\u003eLeak detector \/ flood-prevention valve may be considered where appropriate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem; font-weight: bold;\"\u003eInstallation Note\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #D6D0C4; padding: 0.75rem;\"\u003eFollow the installation manual for faucet, valve, connection, and pressure-related setup requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eCrystal Quest Alkaline Under Sink Water Filtration System Info\u003c\/h4\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"UndersinkWaterFilterManual.pdf\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0761\/5781\/2888\/files\/Undersink-SingleDoubleTripleManual23.pdf?v=1777514362\" target=\"_blank\"\u003eUndersink Manual\u003c\/a\u003e\u003c\/p\u003e","brand":"Crystal Quest","offers":[{"title":"Single \/ T-Valve","offer_id":48949464563864,"sku":"CQE-US-00338-T","price":182.9,"currency_code":"USD","in_stock":true},{"title":"Single \/ Saddle Valve","offer_id":48949464596632,"sku":"CQE-US-00338-S","price":182.9,"currency_code":"USD","in_stock":true},{"title":"Single \/ Both","offer_id":48949464629400,"sku":"CQE-US-00338-B","price":191.85,"currency_code":"USD","in_stock":true},{"title":"Double \/ T-Valve","offer_id":48949464662168,"sku":"CQE-US-00339-T","price":224.35,"currency_code":"USD","in_stock":true},{"title":"Double \/ Saddle Valve","offer_id":48949464694936,"sku":"CQE-US-00339-S","price":224.35,"currency_code":"USD","in_stock":true},{"title":"Double \/ Both","offer_id":48949464727704,"sku":"CQE-US-00339-B","price":233.3,"currency_code":"USD","in_stock":true},{"title":"Triple \/ T-Valve","offer_id":48949464760472,"sku":"CQE-US-00340-T","price":256.8,"currency_code":"USD","in_stock":true},{"title":"Triple \/ Saddle Valve","offer_id":48949464793240,"sku":"CQE-US-00340-S","price":256.8,"currency_code":"USD","in_stock":true},{"title":"Triple \/ Both","offer_id":48949464826008,"sku":"CQE-US-00340-B","price":265.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/5781\/2888\/files\/Alkaline.webp?v=1777590763","url":"https:\/\/www.truesteadsupply.com\/products\/crystal-quest-alkaline-under-sink-filtration-system","provider":"TrueStead Supply","version":"1.0","type":"link"}