Tetra Rubin is a flake food with natural colour enhancers for more intense colours. Special raw materials (hormone-free) ensure full development of the fish's natural colouring. The colour-enhancing effect is recognisable within two weeks of feeding with Tetra Rubin. Tetra Rubin contains all essential nutrients, vitamins and trace elements. The stabilised vitamin C increases resistance to disease, promotes healthy growth and prevents nutrition-related deficiency symptoms.Recommended feeding: Feed the fish several times a day with only as much food as the fish can consume within a few minutes.Recommended feeding for Tetra Rubin:Feed the fish several times a day with only as much food as the fish can consume within a few minutes.Analysis:Crude protein: 49 %Crude fat: 9 %Crude fibre: 2 %Crude ash: 10.5 %Water: 6 %