The basic ground concentrate was used in a 180L aquarium. He is 5-6 cm Schichtbar, depending on the area whether straight or uneven. The plants which I've used to start, who almost did not actually survived, I could aufpeppeln very quickly thanks to the Nutrients in the soil, additional plant fertilizer can thus be used more sparingly because enough nutrients in the peat soil contained sind.Ich have this soil for the first time used in an aquarium, and I am compared to 'normal gravel' 'very satisfied, the difference will bemerkbar.5 star, I would buy the ground by other manufacturers, it is a manufacturer-independent recession, but also by Tetra highly recommend.