Reef Essentials

Introduction Seachem Reef Status Magnesium/Carbonate/Borate is a marine-specific, titration-based testing system designed to provide a complete analysis of a reef aquarium’s buffering capacity. It accurately measures magnesium, carbonate alkalinity, borate alkalinity, and total alkalinity, giving reef aquarists a clear understanding of the chemical balance that...

Introduction Seachem Reef Status Calcium is a high-precision, titration-based testing kit designed specifically for marine and reef aquariums to accurately measure total calcium concentration, including gluconate-bound calcium. The kit uses an advanced testing method that separates calcium from magnesium and strontium, ensuring highly reliable and...

Introduction Seachem Reef Buffer is a premium blend of carbonate and bicarbonate salts formulated specifically for reef aquariums. It is designed to raise pH and carbonate alkalinity while helping maintain a stable target pH of 8.3, which is ideal for reef systems. Unlike products that...

Introduction Seachem Reef Carbonate is a concentrated and carefully balanced blend of carbonate and bicarbonate salts designed to restore and maintain alkalinity (carbonate hardness, KH) in reef aquariums. Maintaining proper alkalinity is essential for coral calcification, skeletal growth, and overall reef stability. This optimized...

Introduction Seachem Reef Advantage Strontium is a highly concentrated (30,000 ppm) dry strontium chloride supplement formulated to restore and maintain strontium levels in reef aquariums at concentrations found in natural seawater. Strontium plays an important role in the development of coral skeletons and the...

Introduction Seachem Reef Advantage Magnesium is a concentrated dry powder blend of magnesium, chloride, and sulfate salts designed to restore depleted magnesium levels in reef aquariums. Magnesium plays a vital role in maintaining the balance between calcium and alkalinity, making it essential for stable...

Introduction Seachem Reef Dip is an iodine-based disinfectant formulated to protect corals from bacterial, fungal, and protozoan infections. It is specifically designed for use on new, stressed, or damaged corals including stony corals, soft corals, anemones, and polyps to aid in healing and prevent...

Introduction Seachem Reef Pack Fundamentals 3 x 100 mL is an introductory and comprehensive supplement package designed specifically for beginner marine aquarium hobbyists. This foundational trio combines three essential, highly concentrated liquid supplements, Reef Complete, Reef Carbonate, and Reef Plus to maintain balanced calcium, alkalinity,...

Introduction Seachem Meridian is a premium, all-natural oolitic (spherical or egg-shaped) aragonite substrate designed for reef, marine, and tropical aquariums. Its fine, rounded grain structure creates a natural-looking seabed while providing a stable, high-quality foundation for aquatic life. Engineered to help regulate essential water parameters,...

Introduction Seachem Pearl Beach 10 KG is a natural aragonite substrate designed for marine, reef, and tropical aquariums. Featuring a bright pearl-white color and a fine-to-medium grain size, it enhances the visual appeal of aquarium displays while maintaining natural functionality. Its smooth texture makes it especially...

Introduction Seachem Reef Iodide is a concentrated and stabilized potassium iodide supplement formulated specifically for reef aquariums. It restores and maintains iodide levels to closely match those found in natural seawater, supporting the health of corals and other marine invertebrates. Designed for safety and stability,...

Introduction Seachem Reef Iron is a highly concentrated iron supplement formulated specifically for reef aquariums to support coral vitality and macroalgae growth. Iron plays a crucial role in metabolic processes and protein synthesis, making it essential for maintaining healthy marine systems. This formula provides a...

Introduction Seachem Reef Strontium is a specialized, high-concentration supplement formulated to restore and maintain strontium levels in reef aquariums at concentrations found in natural seawater. Strontium plays an important role in the formation of calcareous skeletons and shells, making it essential for healthy coral...

Introduction Seachem Gray Coast is an all-natural, deep-gray calcite substrate crafted to enhance the aesthetics of marine, reef, and tropical aquariums. Its rich, dark tone creates a striking, high-contrast backdrop that makes the vibrant colors of fish and corals stand out beautifully. Designed for both...

Introduction Seachem Reef Complete is a highly concentrated and optimized blend of ionic calcium, magnesium, and strontium formulated to restore and maintain calcium levels in marine aquariums at concentrations found in natural seawater. Designed specifically for reef systems, it boosts calcium efficiently without affecting...

Introduction Reef Advantage Calcium is a non-caustic, optimized ionic calcium supplement formulated to restore and maintain calcium levels equivalent to those found in natural seawater. With a balanced pH range of approximately 8.3–8.6, it safely supports coral skeletal growth without drastically altering aquarium chemistry....

Introduction Seachem CoralCrete 114g is a two-part epoxy putty formulated for securely mounting corals to rockwork or bonding rocks together to create stronger, more stable reef foundations. With a working time of approximately 5 minutes, it provides sufficient flexibility for accurate positioning while setting...

Introduction Seachem CoralCrete 57G is a two-part epoxy putty designed for securely mounting corals to rockwork or bonding rock structures for stronger, more stable reef foundations. With a 5-minute working time, it provides ample flexibility for precise placement while setting quickly to hold coral...

Introduction Seachem Reef Reactor Lg is a high-purity, coarse-grade aragonite media engineered for use in calcium reactors to maintain optimal ionic balance in reef aquariums. Its larger particle size allows for improved water flow and efficient dissolution, providing a steady supply of essential elements...

Introduction Seachem Reef Reactor Md is a high-purity aragonite media specifically designed for use in calcium reactors to maintain optimal reef aquarium health. It serves as a natural source of calcium, magnesium, strontium, potassium, and carbonates essential elements required for strong coral skeletal growth...