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AF Build accelerates the absorption of calcium and carbon which are crucial for the development of hard corals. By providing the corals with all the necessary ingredients, it facilitates and accelerates calcification, favourably affecting the growth rate. In addition, AF Build raises the pH level in reef aquariums. By keeping the pH at a proper, constant level, it additionally promotes coral growth. Long-term pH level aberrations result with slower calcification, inhibition of limestone algae growth and in extreme cases may completely stop the calcification process. Regular usage of AF Build prevents unfavourable fluctuations of pH levels and, by balancing the parameters in the aquarium, it improves the clarity of water and supports the growth of corals. Due to its unique properties, AF Build reduces the amount of lower-order algae and inhibits the growth of pathogenic cyanobacteria. Decomposing food may be one of the causes of the drop in pH, therefore AF Build should be used during intensive coral feeding, especially when using a highly nutritional AF Energy supplement. AF Build contains: iodides, carbonates, calcium.