• SERA MARIN COMPONENT 5 ; 250 ml.
• Contains important strontium.
• Highly-concentrated liquid strontium supplement for reef aquariums strontium source for corals, clams, and other reef-building invertebrates
• Replenishes depleted strontium levels in marine aquarium water.

• SERA MARIN COMPONENT 4 Trace Elements Kationics Mineral Additives
• Provides important trace elements for your daily needs.
• In conjunction with sera marin component 3,the supply of corals and other invertebrates is optimized with trace elements.
• SERA marin 4 for sophisticated saltwater aquarium care provides corals and other invertebrates with 7 balanced, valuable additives.
• It optimizes the supply of corals and other invertebrates with trace elements.
• Provides important trace elements for your daily needs.
• Size: 250ml.

• Sera marine 2 Ca Component 2
• pH Buffer stabilizes the pH system in saltwater aquariums.
• Stabilizes the pH system in a saltwater aquarium.
• sera marine 1 and 2 are set with the combined use of the optimum pH in sea water and stabilize the natural buffer system in the reef aquarium.
• Measure the carbonate comfortable with the sera kH-Test.
• sera marin 1 and 2 are set with the combined use of the optimum pH in sea water and stabilize the natural buffer system in the reef aquarium

Size: 250 ml.

• SERA MARIN COMPONENT 1 CA: 250 ml.
• Marine calcium supplement great for hard and soft corals
• Easy-to-use concentrated liquid calcium formula Calcium helps maintain a high pH needed in marine aquariums
• Provides necessary calcium to enhance the growth of hard corals, soft corals, and other reef invertebrates.
• Great for tube worms, snails, and clams, as well as purple, pink, and green encrusting calcareous algae (coralline algae).