JBL Ferropol Refill 625 ml, Plant fertiliser refill pack for freshwater aquarium

Primary care for water plants: basis fertiliser for freshwater aquariums Vigorous plant growth, no deficiency symptoms thanks to minerals such as iron, potassium and other trace elements For intensive leaf colouring thanks to its ideal concentration and compound of iron Optimal promotion of plant growth means less algae growth. No phosphates and nitrates. Not harmful to crayfish and shrimps Contents: 1 refill bag Ferropol, 625 ml. Use: 10 ml/40 l water. Second use: 7.5 ml