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Helps maintain the critical levels of calcium for healthy coral growth.Provides biologically appropriate levels of other elements & trace minerals.Specifically designed to be used with Seachem Reef Fusion 2.

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Raises carbonate alkalinity (KH) with minimal impact on pH.A blend of carbonate sources that will not lower pH as competing bicarbonate only products can.Will not deplete calcium, magnesium, or strontium.

Designed to restore and maintain alkalinity.Provides calcareous species with the essential carbonate needed for growth.Specifically designed to be used with Seachem Reef Fusion 1.

Contains broad spectrum of vitamins, trace minerals, amino acids and fatty acids vital to fish and coral health.Most complete blend of necessary compounds available.Add directly to the aquarium.

Conentrated (50,000 mg/L).Liquid organic calcium source.Maintains calcium and accelerates coral growth.

Perfect for beginners.Inlcudes Reef Complete, Reef Carbonate, & Reef Plus.Provides calcium, carbonate, trace components, vitamins, and amino acids.

Buffer for Saltwater Aquarium.Raises pH to 8.3.Blend of Carbonate and Bicarbonate Salts.pK of 8.6 yields increased stability.Can be used in Marine and Reef Tanks.Raises Carbonate Alkalinity.

Stabilized.Safe and easy to use.Important for soft tissue growth.

Liquid ionic calcium source.160,000 mg/L (most concentrated on the market) vs. 100,000 mg/L.100 percent soluble. Be wary of products that are milky white or need to be shaken.Maintains Magnesium & Strontium.

Concentrated, powder ionic calcium..Maintains magnesium and strontium..Can be added directly to aquarium..Maintains Magnesium & Strontium..

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Seachem Reef Additives

Seachem Reef Fusion 1

Seachem Reef Builder

Seachem Reef Fusion 2

Seachem Reef Plus

Seachem Reef Calcium

Seachem Reef Pack: Fundamentals

Seachem Reef Buffer

Seachem Reef Iodide

Seachem Reef Complete Conditioner

Seachem Reef Advantage Calcium