Go! Solutions Hairball Control + Urinary Care, Chicken Recipe with Grains Dry Cat Food. Manage hairballs and support urinary tract health with Go! Solutions Hairball Control + Urinary Care cat food. Formulated with a Board-Certified Veterinary Nutritionist®, this grain-inclusive recipe helps lower and control urinary pH to discourage cat struvite crystals. Plus, it features high-fibre miscanthus grass which aids the natural passage of hairballs. Look no further for the ultimate cat food for hairballs and cat urine crystals! Helps lower urinary pH to discourage struvite crystals Controlled magnesium levels, a primary mineral in struvite crystals Fibre-rich miscanthus grass to help pass swallowed hair Grains as source of carbohydrates for energy Recommended for: Adult cats Senior cats Available Sizes: 3 lb / 6 lb / 12 lb.