Hugo Kamishi Holiday Block 14 days

Hugo Holiday Block Hugo Holiday Blocks keep your fish fed and happy for up to 14 days. The calcium carbonate block dissolves slowly over two weeks, releasing food particles in to the water. As a guide, one block placed in a 45 litre aquarium should be sufficient to supplement the diet of 10-15 average aquarium fish for approximately two weeks. Hugo Holiday Blocks are not suitable for marine aquariums and are recommended for tank temperatures between 20-25 degrees.