{"product_id":"reef-fusion-two-part-calcium-and-alkalinity-system-concentrated-reef","title":"Reef Fusion Two-Part Calcium and Alkalinity System - Concentrated Reef","description":"\u003cp\u003eIn this review of Reef Fusion the author examines whether this concentrated two-part system belongs in a reef keeper's routine. Designed as a paired product, Reef Fusion 1 supplies ionic calcium while Reef Fusion 2 restores and maintains alkalinity; together they aim to hold stable levels critical for coral growth. The bottom line: hobbyists who prioritize a predictable, high-strength dosing approach will appreciate the simple 11 ratio and the product's emphasis on biologically appropriate elements, while those seeking multi-element supplements or automated blended solutions may prefer alternatives.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHighly concentrated calcium:\u003c\/strong\u003e Reef Fusion 1 supplies a dense source of ionic calcium so smaller doses deliver meaningful changes in aquarium calcium levels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlkalinity restoration:\u003c\/strong\u003e Reef Fusion 2 contains a blend of carbonates and bicarbonates formulated to restore and maintain alkalinity for calcareous species.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple dosing ratio:\u003c\/strong\u003e The 11 ratio between the two parts makes it straightforward to keep calcium and alkalinity balanced with repeatable measurements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiologically appropriate trace elements:\u003c\/strong\u003e When used together the system provides necessary trace minerals alongside the main carbonate and calcium inputs beneficial for coral growth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact packaging:\u003c\/strong\u003e Supplied as two 4 L \/ 1 fl. gal. components, the set stores easily and supports routine dosing in mid to large reef systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eReef Fusion is aimed at reef hobbyists who want tight control over calcium and alkalinity using a concentrated, two-part approach. It fits aquarists who dose manually or with peristaltic pumps and who prefer separate control of calcium and carbonate alkalinity rather than blended one-part mixes.\u003c\/p\u003e\n\n\u003cp\u003eIt is less suitable for beginners who want an all-in-one trace element solution or for those who avoid manual testing and dosing; those users may prefer maintenance systems that include automated blending or broader multi-element products.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVery concentrated formulas reduce the volume needed per dose and simplify storage.\u003c\/li\u003e\n\u003cli\u003eClear division of roles: one part for calcium and the other specifically for alkalinity restoration.\u003c\/li\u003e\n\u003cli\u003eEasy 11 ratio makes it practical to maintain balance over time with regular testing.\u003c\/li\u003e\n\u003cli\u003eProvides carbonate and bicarbonate mix in Reef Fusion 2 that supports skeletal growth.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot a complete multi-element program by itself; users may need additional supplements for trace elements.\u003c\/li\u003e\n\u003cli\u003eRequires regular testing and active dosing to keep levels stable, which may not suit passive hobbyists.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003eReef Fusion 1 and Reef Fusion 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet volume\u003c\/td\u003e\n\u003ctd\u003e2 x 4 L \/ 1 fl. gal.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary function\u003c\/td\u003e\n\u003ctd\u003eCalcium (Part 1) and alkalinity (Part 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlkalinity strength\u003c\/td\u003e\n\u003ctd\u003eReef Fusion 2 alkalinity 4400 meq\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDosing ratio\u003c\/td\u003e\n\u003ctd\u003eSimple 11 ratio between parts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKey benefit\u003c\/td\u003e\n\u003ctd\u003eProvides 100,000 mg\/L of ionic calcium (product system)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eReef Fusion is a solid choice for reef keepers who want a concentrated, two-part calcium and alkalinity system with a straightforward dosing scheme. It delivers predictable maintenance of calcium and alkalinity and good value when paired with routine testing, though it should be combined with other supplements if broader trace element coverage is required.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use Reef Fusion 1 and 2 together?\u003c\/strong\u003e\u003cbr\u003eYes. The system is designed to be used together so Reef Fusion 1 supplies ionic calcium while Reef Fusion 2 restores alkalinity to support corals.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat does the 11 ratio mean?\u003c\/strong\u003e\u003cbr\u003eThe 11 ratio refers to the recommended proportion between Part 1 and Part 2 dosing to maintain balanced calcium and alkalinity levels.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs this a complete trace element program?\u003c\/strong\u003e\u003cbr\u003eNo. Reef Fusion provides calcium, carbonate and some biologically appropriate trace minerals, but many users add additional supplements for full multi-element coverage.\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":48168383217883,"sku":"B003I5QSY6","price":38.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71-jcg_uy7L._AC_SL1500.jpg?v=1769213633","url":"https:\/\/gearmusthave.com\/products\/reef-fusion-two-part-calcium-and-alkalinity-system-concentrated-reef","provider":"GearMustHave","version":"1.0","type":"link"}