JBL PROFLORA 7 +13 Balls

Root fertiliser for freshwater aquariums (7 fertiliser balls) Primary care for plant roots: specially produced clay balls, loaded with nutrients, for freshwater aquariums Storage capacity for nutrients. No deficiency symptoms: important trace elements such as iron, minerals Optimal promotion of plant growth means less algae growth. No phosphates and nitrates Strong root formation in plants is a sign of high nutrient absorption through the roots Package contents: 1 pack The 7 + 13 balls, 20 fertiliser balls. To use: depending on the size of the plant, press one or more balls into the root zone once a year