sera Guppy Gran is the herbal food consisting of carefully manufactured soft granules for all mainly herbivorous fish that eat in the middle water layers. The carefully selected ingredients such as Spirulina algae support healthy digestion and liveliness. The easily digestible composition rich in energy optimal fulfills the requirements of Guppies and other particularly active fish. The soft fine granules sink only slowly and quickly become smooth in water but keep their shape very well and do not affect the water quality.