Reef Chemicals

High purity supplements for the advanced reef keeper.

High purity supplements
For the advanced reef keeper
Available at Reef Specialty Shops

RPM Liquid Magnesium
Magnesium plays a critical role in marine aquariums by maintaining a balance between calcium and alkalinity. It is impossible to maintain calcium and alkalinity at the proper levels without also maintaining magnesium. A proper magnesium level is also critical for the health and vitality of many reef aquarium inhabitants. The biologically useful forms of magnesium […]
RPM Liquid Calcium – PT2
It is impossible to maintain a healthy, vibrant marine aquarium without also maintaining the proper levels of calcium and alkalinity. FRITZ RPM CALCIUM/BUFFER SYSTEM allows aquarists to maintain these two critical components in their proper ionic balance. Unlike other similar products, FRITZ CALCIUM/BUFFER BALANCE does not contain unmeasured and unnecessary ions and metals, which unchecked […]
RPM Liquid Alkalinity – PT1
It is impossible to maintain a healthy, vibrant marine aquarium without also maintaining the proper levels of calcium and alkalinity. FRITZ RPM CALCIUM/BUFFER SYSTEM allows aquarists to maintain these two critical components in their proper ionic balance. Unlike other similar products, FRITZ RPM CALCIUM/BUFFER SYSTEM does not contain unmeasured and unnecessary ions and metals, which […]
Sodium carbonate
Fritz ProAquatics Sodium carbonate can be used alone or as part of a two part calcium & alkalinity supplement system to raise alkalinity in enclosed reef systems. Monitoring and maintaining alkalinity is an important part of helping to stabilize water chemistry values, resulting in better coral, coralline algae and invertebrate growth and health.  
Sodium bicarbonate
Fritz ProAquatics Sodium bicarbonate can be used alone or as part of a two part calcium & alkalinity supplement system to raise alkalinity in enclosed reef systems. Monitoring and maintaining alkalinity is an important part of helping to stabilize water chemistry values, resulting in better coral, coralline algae and invertebrate growth and health.  
Magnesium sulfate
Fritz ProAquatics Mag Sulfate is a high quality concentrated magnesium salt that is designed to replenish magnesium in captive reef systems. Monitoring and maintaining proper magnesium levels is an important part of stabilizing water chemistry values, resulting in better coral, coralline algae and invertebrate growth and health.   Being the third most abundant ion behind […]
Magnesium chloride
Fritz ProAquatics Magnesium chloride is a high quality concentrated magnesium salt that is designed to replenish magnesium in captive reef systems. Monitoring and maintaining proper magnesium levels is an important part of stabilizing water chemistry values, resulting in better coral, coralline algae and invertebrate growth and health. Being the third most abundant ion behind sodium […]
Calcium chloride
Fritz ProAquatics Calcium chloride Anhydrous can be used alone or as part of a two part calcium & alkalinity supplement system to raise calcium levels in enclosed reef systems. Monitoring and maintaining calcium levels is an important part of helping to stabilize water chemistry values, resulting in better coral, coralline algae and invertebrate growth and […]
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