{"product_id":"seachem-reef-fusion-1-2-2-4l-calcium-alkalinity-system","title":"Seachem Reef Fusion 1 \u0026 2 — 2×4L Calcium \u0026 Alkalinity System","description":"\u003ch2\u003eFoundation for a thriving reef tank\u003c\/h2\u003e\u003cp\u003eSeachem Reef Fusion 1 and Reef Fusion 2 form the cornerstone of a two-part system that supplies essential calcium and alkalinity for reef inhabitants. When used together, Reef Fusion helps maintain calcium and alkalinity levels while delivering biologically appropriate trace minerals for a balanced water column.\u003c\/p\u003e\u003cp\u003ePackaged as a concentrated pair of bottles (2 × 4 L \/ 1 gal each), the system is designed for straightforward mixing with a simple 1:1 ratio, reducing guesswork during routine maintenance and making dosing predictable for everyday reef-keeping.\u003c\/p\u003e\u003ch3\u003eWhat Reef Fusion does\u003c\/h3\u003e\u003cp\u003eReef Fusion 1 provides a steady calcium source, which corals and calcareous organisms use to grow and build skeletons. Reef Fusion 2 supplies a calculated mix of carbonates and bicarbonates at a maintained alkalinity level (measured in meq\/L). Used together, the system aims to restore and sustain the critical balance of calcium and alkalinity, while delivering trace minerals in biologically appropriate amounts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eProvides 100,000 mg\/L of ionic calcium\u003c\/li\u003e\n\u003cli\u003eRestores and maintains alkalinity\u003c\/li\u003e\n\u003cli\u003eMost concentrated two-part system; simple 1:1 ratio\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReal-life use and benefits\u003c\/h3\u003e\u003cp\u003eIn a busy home reef, Reef Fusion helps stabilize essential chemistry across a diverse tank, from soft corals to SPS and LPS. The straightforward dosing and predictable maintenance routine can support ongoing tank health without complex protocols.\u003c\/p\u003e\u003cp\u003eResults depend on multiple factors, including stocking, lighting, and feeding. Keeping calcium and alkalinity within the intended range can contribute to healthier growth patterns and more predictable husbandry tasks over time.\u003c\/p\u003e\u003ch3\u003eHow to use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFollow the 1:1 mixing ratio: Reef Fusion 1 and Reef Fusion 2\u003c\/li\u003e\n\u003cli\u003eMeasure and add to the display tank or sump as part of routine dosing\u003c\/li\u003e\n\u003cli\u003eMonitor calcium and alkalinity with reliable test kits and adjust as needed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat you get\u003c\/h3\u003e\u003cp\u003eThis 2 × 4 L \/ 1 gal per bottle set is designed for extended reef maintenance, delivering calcium and alkalinity in a coordinated system that also supports trace minerals in biologically appropriate amounts.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is Reef Fusion used for in a reef tank?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A two-part system delivering calcium and alkalinity in a simple 1:1 mix to support reef chemistry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I mix Reef Fusion 1 and 2?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Combine Reef Fusion 1 and Reef Fusion 2 in a 1:1 ratio, then dose according to your tank's needs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":40563263733889,"sku":"B003I5QSY6","price":106.92,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/4757\/3633\/files\/seachem-reef-fusion-1-bottle-top-view.jpg?v=1765827914","url":"https:\/\/petiva.ca\/products\/seachem-reef-fusion-1-2-2-4l-calcium-alkalinity-system","provider":"Petiva","version":"1.0","type":"link"}