Seachem Reef Fusion 2, 500ml

Price: $15.80
(as of Mar 04, 2026 09:49:37 UTC – Details)

Reef Fusion 1 and Reef Fusion 2 are the foundation of a system formulated to provide the essentials for the reef aquarium. Reef Fusion 1 provides calcium, while Reef Fusion 2 provides alkalinity. When used together, the Reef Fusion system will maintain calcium and alkalinity levels. Reef Fusion 1 provides not only 100,000 mg/L of ionic calcium, but also includes biologically appropriate levels of magnesium, strontium, boron, iron, manganese, and molybdenum.Reef Fusion 2 contains a mixture of carbonates and bicarbonates at an alkalinity of 4400 meq/L. It is designed to restore and maintain alkalinity in the reef aquarium and provide calcareous species with the essential carbonate needed for growth. When used as directed, Reef Fusion 1 and Reef Fusion 2 will maintain the critical levels of calcium and alkalinity necessary for healthy coral growth, while providing biologically appropriate levels of other elements and trace minerals.
Is discontinued by manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 19.3 x 5.08 x 3.81 cm; 453.59 g
Date First Available ‏ : ‎ Feb. 23 2011
Manufacturer ‏ : ‎ Seachem
Place of Business ‏ : ‎ FAIRBURY, NE, 68352 US
ASIN ‏ : ‎ B0036S2VOG
Item model number ‏ : ‎ 116121309
Country of origin ‏ : ‎ USA
Best Sellers Rank: #29,538 in Pet Supplies (See Top 100 in Pet Supplies) #19 in Aquarium Water Changers
Customer Reviews: 4.6 4.6 out of 5 stars (340) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

1:1 ratio for easy use
Maintains calcium and alkalinity
Ultra concentrated