One Bag of CAF Colour Enhancing Formula Australian Freeze Dried Black Worm Cubes.
This special mix of Freeze Dried Black Worms includes natural astaxanthin powder derived from micro algae as well as spirulina powder. Both of these additives are well know to enhance the colour of aquarium fish. This special mix is available exclusively through Canadian Aqua Farm.
You can stick the cube on the glass and your Copperband Butterfly fish may eat it.