Seachem Reef Calcium 250 ml is a premium aquarium water conditioner and biological support product specially selected to help support polygluconate calcium supplement for reef aquariums.
Reef Calcium is a polygluconate complex of calcium that enhances its bioavailability and encourages rapid coral growth. It adds calcium without affecting pH.
Using a trusted Seachem formula, Seachem Reef Calcium 250 ml helps with:
– Polygluconate calcium supplement for reef aquariums
– Provides bioavailable calcium without disturbing alkalinity
– Safe for invertebrates
– Reef aquarium stability
– Coral and invertebrate care
– Marine water parameter support
Key Features
– Polygluconate calcium supplement for reef aquariums
– Provides bioavailable calcium without disturbing alkalinity
– Safe for invertebrates
– Reef aquarium stability
– Coral and invertebrate care
– Marine water parameter support
– Safe and reliable when used as directed
– Helps maintain a cleaner and healthier aquarium system
Dosage / Usage
Use 1 capful (5 mL) per 80 L (20 US gallons) twice a week. For larger systems, add 1 mL per 16 L (4 US gallons). Monitor calcium levels and adjust as needed.
Available Sizes
– 250 ml
Important Notes
– Always follow the product label
– Do not overdose
– Store in a cool, dry place
– Keep away from children and pets
Aquarium hobbyists commonly use Seachem Reef Calcium 250 ml for better aquarium care, improved maintenance, and a cleaner, more stable setup.




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