Tropica Aquarium Soil Powder is a complete active bottom layer, which can be used on it~s own without any other types of bottom layer. You are not required to top with gravel or any other substrate. The grain size of 1-2mm makes it easy for planting. Aquarium Soil Powder ensures proper growth and stimulates red colours.
Aquarium Soil Powder is ideal for use in nano/smaller aquariums to gain a greater sense of scale. It can also be used in the foreground areas in larger tanks where small/delicate foreground plants require a finer grain of substrate to aid planting.