Purina Pro Plan Veterinary Diets Wet Cat Urinary St/Ox Salmon Feline UR StOx Urinary is a complete dietary food for adult cats for dissolving struvite stones and for reducing struvite stone recurrence, with urine acidifying properties and low magnesium concentration. Ingredients Meat and derivatives, fish and fish by-products (4% salmon), minerals, cereals, vegetable by-products, sugars. How to use For the daily ration it is recommended to see the table below The recommended period of use for dissolution is 5 to 12 weeks. Cat weight in Kg Daily ration (envelope + dry) 2 1 sachet + 15g dry 4 3 sachets + 10g dry 6 3 sachets + 45g dry Warnings It is recommended to seek the advice of a veterinarian before use or before extending the period of use. Water is recommended at will. This package is not a toy. To avoid the risk of suffocation, keep it out of the reach of children and animals. Store in a cool, dry place. Validity in closed container: 24 months.