{"product_id":"seachem-reef-fusion-2-2l","title":"Reef Fusion 2 2 L — Alkalinity 4400 meq\/L Dosage 2-Part | Seachem","description":"\u003cp\u003eSeachem Reef Fusion 2 in a 2L format is a concentrated alkalinity supplement based on carbonates and bicarbonates, with a concentration of 4400 meq\/L. An integral part of the Reef Fusion system—the most concentrated 2-part system on the market—it is formulated for a 1:1 dosing ratio with Seachem Reef Fusion 1 (calcium). The 2L format is ideal for reef aquariums with high alkalinity requirements or for automated dosing with a dosing pump.\u003c\/p\u003e\n\n\u003ch2\u003e Main advantages\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e Concentration of 4400 meq\/L — the most concentrated 2-part system available\u003c\/li\u003e\n\n\u003cli\u003e Economical 2L format for aquariums with high alkalinity consumption\u003c\/li\u003e\n\n\u003cli\u003e Simple 1:1 dosing ratio with Reef Fusion 1\u003c\/li\u003e\n\n\u003cli\u003e Compatible with dosing pumps for automated maintenance\u003c\/li\u003e\n\n\u003cli\u003e Can be used separately to target alkalinity independently of calcium\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch2\u003e Use in reef aquariums\u003c\/h2\u003e\n\u003cp\u003e The Reef Fusion system is designed as a complete solution for fundamental reef parameters. Reef Fusion 1 provides 100,000 mg\/L of ionic calcium along with magnesium, strontium, boron, iron, manganese, and molybdenum. Reef Fusion 2 provides carbonate alkalinity at 4400 meq\/L, essential for the growth of calcareous species. Together, they maintain critical calcium and alkalinity levels while supplying biologically appropriate trace elements.\u003c\/p\u003e\n\n\u003ch2\u003e Dosage\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e Dose every 1 to 2 days. Shake well before use.\u003c\/li\u003e\n\n\u003cli\u003e Add 1 ml of Reef Fusion 1 per 25 L (6.5 US gallons) in a high-current area. Wait a few minutes, then add 1 ml of Reef Fusion 2 per 25 L at the same ratio.\u003c\/li\u003e\n\n\u003cli\u003e Each dose provides 4 mg\/L of calcium and 0.176 meq\/L of alkalinity.\u003c\/li\u003e\n\n\u003cli\u003e Maintain calcium between 380 and 420 mg\/L and alkalinity between 3 and 6 meq\/L (8–17 dKH).\u003c\/li\u003e\n\n\u003cli\u003e Do not exceed 4 ml per 25 L per day.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch2\u003e Manufacturer's precautions\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e Never mix Reef Fusion 1 directly with Reef Fusion 2\u003c\/li\u003e\n\n\u003cli\u003e Add the two products to separate locations in the aquarium.\u003c\/li\u003e\n\n\u003cli\u003e Make significant adjustments gradually to avoid shocking the corals and invertebrates.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch2\u003e Available formats\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli\u003e 500 ml\u003c\/li\u003e\n\n\u003cli\u003e 1 L\u003c\/li\u003e\n\n\u003cli\u003e 2 L\u003c\/li\u003e\n\n\u003cli\u003e 4 L\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch2\u003e Why choose the Reef Fusion 2 from ReefSolution?\u003c\/h2\u003e\n\u003cp\u003e For complete dosing, combine Seachem Reef Fusion 2 2L with Seachem Reef Fusion 1 2L in a 1:1 ratio. Automate your routine with the Kamoer X1 Pro Dosing Pump and check your parameters with the Salifert KH\/Alk Test Kit or the Hanna Checker Alkalinity for precise and stable alkalinity maintenance.\u003c\/p\u003e\n\n\u003ch2\u003e Frequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003e Is the 2L format more advantageous for large reef aquariums?\u003c\/h3\u003e\n\u003cp\u003e Yes. The 2L format offers better value for money for systems with high alkalinity consumption, particularly tanks dominated by SPS corals using a daily dosing pump.\u003c\/p\u003e\n\n\u003ch3\u003e Is the Reef Fusion 2 compatible with dosing pumps?\u003c\/h3\u003e\n\u003cp\u003e Yes. The product is liquid and compatible with dosing pumps. Shake well before filling the reservoir. Never mix Fusion 1 and Fusion 2 in the same dosing container.\u003c\/p\u003e\n\n\u003ch3\u003e Can Reef Fusion 2 be used alone to correct alkalinity?\u003c\/h3\u003e\n\u003cp\u003e Yes. Seachem confirms that the Reef Fusion 2 can be used individually to adjust alkalinity if your system has an imbalance between calcium and alkalinity.\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":38010611368107,"sku":"000116121804","price":37.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0513\/7108\/1899\/products\/REEF_20FUSION_20KH_dfd44d38-0cdd-426f-a165-f4bc68d66aa6.jpg?v=1773598810","url":"https:\/\/reefsolution.com\/en\/products\/seachem-reef-fusion-2-2l","provider":"Aquarium ReefSolution inc.","version":"1.0","type":"link"}