Seachem Reef Calcium 250 mL
Seachem Reef Calcium 250 mL
Seachem Reef Calcium is a highly concentrated calcium supplement formulated to maintain proper calcium levels in reef and marine aquariums. Calcium is essential for SPS and LPS coral skeletal growth, as well as coralline algae development. In active reef systems, calcium is continuously depleted and must be replenished to maintain stability and growth.
Reef Calcium delivers calcium in a bioavailable chloride form, allowing for rapid uptake without impacting alkalinity when used correctly.
The 250 mL bottle is ideal for nano to medium reef tanks or hobbyists performing targeted calcium adjustments.
Concentrated Calcium Supplement Supports Coral & Coralline Algae Growth
Key Benefits
🧪 Raises & Maintains Calcium Levels
🪸 Supports Coral Skeleton & Coralline Algae Growth
⚖️ Does Not Affect Alkalinity (KH)
Designed Specifically for Reef Aquariums
🐠 Safe for Fish, Corals & Invertebrates
🎯 Highly Concentrated for Precise Dosing
⚙️ Product Details
- Brand: Seachem
- Product Name: Reef Calcium
- Size: 250 mL
- Supplement Type: Calcium (Ca²⁺)
- Aquarium Type: Saltwater / Reef
- Best For:
- SPS corals
- LPS corals
- Coralline algae
- Mixed reef systems
💡 Dosing Guidelines (Summary)
- 5 mL per 20 gallons raises calcium by approximately 10 ppm
- Target calcium range: 380450 ppm
- Dose daily or as needed based on testing
Always test calcium levels and avoid rapid increases.
❓ FAQ Seachem Reef Calcium
Q: Does Reef Calcium raise alkalinity?
A: NoReef Calcium increases calcium without affecting KH.
Q: Is this safe for SPS-dominant tanks?
A: Yescommonly used in SPS, LPS, and mixed reef aquariums.
Q: Can I overdose calcium?
A: Yesalways test and dose conservatively.
Q: Should this be used with an alkalinity supplement?
A: Yesbalanced calcium and alkalinity are essential for coral growth.
Q: Can this replace two-part dosing?
A: It can be used alone or alongside alkalinity supplements depending on system needs.
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