sera Crabs Nature is the staple food without dyes and preservatives consisting of loops for all crustaceans in fresh and marine water.

The balanced composition with ingredients close to nature, such as spirulina and alder cones provides everything the crustaceans require for healthy growth and safe skin shedding. Fertility, colorfulness and defensive forces are specifically strengthened.

The sinking loops remain stable for a very long time, so the crustaceans – according to their natural feeding habits – can easily grab them, carry them away and eat them in a hiding place without polluting the water.