The unique H.E.L.P. ADVANCED SOIL formula ensures rapid tank maturation, facilitates the stabilization of optimum water conditions, and stimulates the growth of plants and shrimp in the aquarium. In these respects, the substrate are much superior to the conventional sand or gravel. Due to the special structure of the substrates, beneficial substances are gradually released into the water. Thanks to the slow release, the substrates retain their properties for a long time and do not have to be frequently replaced.