The high-level substrate for planting aquariums provides basic nutrition for the plant root structure for long-term successful planting of freshwater aquariums Compared with sand and other sand, more suitable for the growth of most grass roots. Formulated for freshwater planted aquariums, tropical fish, and freshwater dwarf shrimp. Helps clarify and detoxify water. PH value: 7.5. You can adjust the water quality is more suitable for the growth of aquatic plants ideal range. There is no need to wash, please use the original state, if washed with water will lead to muddy mud. Note: This product is aquatic breeding purposes, absolutely not edible; Please store this product properly children can not reach the place, to avoid children eating.