- Concentrated reef builder for coralline algae, corals, clams and other marine invertebrates.
- Provides calcium, strontium, magnesium, and potassium in the same ratios in which they naturally occur in aragonite.
- Strong source of carbonates.
- Increases alkalinity to help stabilize pH.
- Free of phosphate, silicate, and organic material.
- May be used as an inexpensive alternative to automated calcium reactor systems.
- Made in the USA.