What they think happen is I use one brand of food but I switch flavors every bag to mix things up for him well he just changed over to a new flavor so they think maybe the last flavor had more protein or something and might have caused his crystals so just avoid that flavor from now on.
__________________ Alisha mommy to Guinness Stout 7 & Stella Artois 5 & Teagan 4    Guinness & Stella proud Teapot Club Members |