Crystal Management Description: Complete dietary food. Low urinary RSS (Relative Supersaturation) values ​​promote dissolution and minimize the risk of formation of new struvite and calcium oxalate crystals in the urine. The diet is low in magnesium and phosphorus (components of struvite, consisting of magnesium-ammonium phosphate) to reduce the formation of struvite crystals and uroliths. The diet maintains a normal urinary pH