Quantum Bio-Kalkwasser – 550g

Reef Essential® Bio-Kalkwasser™ is designed to provide hydroxide, calcium & non-nitrogenous, bioavailable energy to help raise pH and convert excess carbon dioxide into calcium carbonate. This helps to improve pH stability, alkalinity and build strong aragonite. This helps to improve pH stability, alkalinity and build strong aragonite. This product is a particularly effective method to reduce the natural pH drop which happens at night due to the lack of photosynthesis. Recommended calcium concentration = 405-440ppm & pH 8.1-8.5.