Overview
REEF Advantage Calcium is a high-purity reef calcium supplement formulated to fuel fast coral growth and rich coloration in marine aquariums. This concentrated 1KG formula delivers bioavailable calcium without adding ammonia or unwanted impurities to your system. Stable calcium is one of the cornerstones of successful reef keeping, and this product makes it easier to hold steady, healthy levels.
Key Features
- Supports rapid coral growth and long-term skeletal development
- Highly concentrated, bioavailable calcium source
- Free of ammonia and unwanted contaminants
- Ideal for SPS and LPS corals, clams, and coralline algae
- Helps maintain stable, repeatable reef water chemistry
Specifications
| Brand | REEF |
|---|---|
| Weight | 2.3 lbs |
| Dimensions | 14 × 4 × 4 in |
| UPC | 000116031707 |
Frequently Asked Questions
What corals benefit most?
Calcifying organisms such as SPS corals, LPS corals, clams, and coralline algae draw heavily on calcium and benefit most from steady supplementation.
Will it raise ammonia?
No. The formula is designed to add calcium cleanly without introducing ammonia or other impurities.



























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