{"product_id":"premium-two-part-calcium-supplement-system","title":"Premium Two-Part Calcium Supplement System","description":"\u003ch2\u003eWhy you'll love it\u003c\/h2\u003e\u003cp\u003eThis professional-grade two-part calcium system maintains perfect reef water chemistry with the same ionic ratios found in natural seawater, helping your corals, clams, and reef organisms thrive. \u003cem\u003eKeep reading for all the technical details.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe Brightwell Aquatics Reef Code A is half of an innovative two-part calcium and alkalinity dosing system that's changing how reef keepers maintain water chemistry. This isn't your typical calcium supplement—it's a scientifically formulated liquid that works with Reef Code B to deliver calcium and carbonates in perfect natural seawater ratios.\u003c\/p\u003e\u003cp\u003eWhat makes this system special is its purity and potency. Unlike many competitors, this formula contains zero phosphates, silicates, or organic pollutants that could harm your tank. The marine scientist who developed this system created something stronger than most competing products while keeping it completely reef-safe.\u003c\/p\u003e\u003cp\u003eThis 67.6-ounce (2 L) bottle provides long-lasting calcium supplementation for both new tank setups and established reef systems. The liquid format makes dosing simple and precise—no mixing powders or dealing with messy residue.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eInteresting Points\u003c\/h3\u003e\u003ch4\u003eNatural Seawater Chemistry\u003c\/h4\u003e\u003cp\u003eMaintains the exact calcium-to-carbonate ratio found in pristine ocean water, creating optimal conditions for coral growth and calcification.\u003c\/p\u003e\u003ch4\u003eUltra-Pure Formula\u003c\/h4\u003e\u003cp\u003eZero phosphates, silicates, or organic contaminants means cleaner water and healthier reef inhabitants without unwanted algae blooms.\u003c\/p\u003e\u003ch4\u003eProfessional Strength\u003c\/h4\u003e\u003cp\u003eMore concentrated than typical calcium supplements, so you use less product while achieving better results—perfect for serious reef keepers.\u003c\/p\u003e\u003ch4\u003eMarine Scientist Developed\u003c\/h4\u003e\u003cp\u003eFormulated by actual marine scientists, not just marketing teams, ensuring the chemistry works perfectly for real-world reef applications.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVolume: 67.6 fl oz (2 L)\u003c\/li\u003e\n\u003cli\u003eType: Liquid calcium supplement (Part A of two-part system)\u003c\/li\u003e\n\u003cli\u003ePhosphate-free formula\u003c\/li\u003e\n\u003cli\u003eSilicate-free formula\u003c\/li\u003e\n\u003cli\u003eOrganic pollutant-free\u003c\/li\u003e\n\u003cli\u003eMade in USA\u003c\/li\u003e\n\u003cli\u003eBrand: Brightwell Aquatics\u003c\/li\u003e\n\u003cli\u003eSKU: ABARCA2L\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUsage Notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMust be used with Reef Code B for complete supplementation\u003c\/li\u003e\n\u003cli\u003eSuitable for both marine and reef aquariums\u003c\/li\u003e\n\u003cli\u003eTest calcium and alkalinity levels before and during use\u003c\/li\u003e\n\u003cli\u003eStart with small doses and adjust based on consumption\u003c\/li\u003e\n\u003cli\u003eStore in cool, dry place away from direct sunlight\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Inclusion\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 bottle Brightwell Aquatics Reef Code A (67.6 fl oz)\u003c\/li\u003e\u003c\/ul\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eReady to achieve that perfect reef water chemistry you've been chasing? This two-part system takes the guesswork out of calcium and alkalinity dosing, giving your corals exactly what they need to flourish in their best colors.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eShipping and Returns\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eListed Shipping:\u003c\/strong\u003e 2–4 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReturns:\u003c\/strong\u003e \u003ca rel=\"noopener\" style=\"color: #2563eb; text-decoration: underline; font-weight: 600;\" href=\"https:\/\/www.tailrings.com\/blogs\/faqs\/shipping-and-returns#returns\" target=\"_blank\"\u003eReturns policy\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TailRings.com","offers":[{"title":"67.6 fl oz (2 L)","offer_id":51264198770973,"sku":"B001DD1LGA","price":40.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/8052\/4317\/files\/reef-code-calcium-supplement-jug.jpg?v=1778306872","url":"https:\/\/www.tailrings.com\/products\/premium-two-part-calcium-supplement-system","provider":"TailRings.com","version":"1.0","type":"link"}