majority of cases are cured by wet food and anything else would likely be unnecessary). A nutraceutical that helps occasionally is glucosamine (Cosequin for instance). It strengthens the lining of the bladder so that crystals are less likely to irritate it. Marshmallow root powder is also soothing to the mucus membranes of the urinary tract. And since struvite crystals tend to form in alkaline urine, if the diet change isn't enough to get rid of them you can consider adding an acidifier to your cat's food (but only if you also monitor his urine ph at home since over-acidification can result in calcium oxalate crystals, and they are much harder to get rid of). Thank goodness I have only had to deal with urine crystals once before, probably 25 years ago but I had an old farm vet, who didn't like alot of medicines, surgeries etc unless they were life threathening. I do believe he gave me the best advice that worked. I had a male that was neutered at 3 months, (not recommended until a year back then). He had constant crystals & we seen so many vets it was pathetic, until I found this old farm vet one Saturday when me was so sick. He told me to forget the fancy expensive foods & get any food that had no ash content in it or as little ash as possible. The only brand I could find at the time was a semi-moist brand called Happy Cat. He ate