For the past few weeks I have noticed that Chia has visible crystals in her urine. I can see them in the dried urine on her wheel and on her litter box. Her urine also seems kind of thick. There is no visible blood. Does anyone know if it is normal for urine to form crystals as it dries? If it is not normal does this mean that she could have a UTI? She is acting completely normal and eating/drinking her normal amount.