Since I have repotted my green plants in Seramis clay granulate, I must pour much less. Every one or two weeks I spend some vital food for irrigation water have since hinzu.Schädlinge the past, because the flowers are sufficiently supplied with nutrients. The plants have a rich green and to be great. The Refill contains 400 ml and can be easily replenished in the Originaldosierflasche. Besides saving you space and conserves Environment.