I have a big female who goes every day or two (3800 gm) I use coco husk mostly because it hold the urine (urine is liquid and urinate is solids) away so it doesn't have to sit in it until I check (twice a day) but she is so large I almost always clean the whole works there is no spot cleaning usually too much of a mess. It just shows she is well hydrated that is it. (urine is a good indicator of hydration, dehydrated animals release very little urine, just urinates. Not to say an animal that has mostly solids is necessarily dehydrated it is just a possibility)