KOI & GOLDFISH COLOUR STICKS colour-enhancing food for pond fish. Colour-enhancing floating sticks for everyday feeding of koi, goldfish and other ornamental pond cyprynids. Thanks to the special texture of the sticks they keep floating at the surface long after they are applied into the tank. It helps observe feeding fish and monitor the quantities of eaten food. The redundant sticks can be easily removed from the tank with a fish net. An exceptionally rich formula meets fish’s all nutritional needs, ensuring their excellent condition and steady growth. Regular use enhances red and gold coloration. The food is recommended from early spring until late autumn in temperature above 10°C and for winter season for fish kept indoors.