I'm only a cat, in which urine must be tested often, come to bowl toilets. Trixie Cleany Cat is my first. We use a very slight biological scattered, so there is no problem with too heavy weight and carrying capacity of the soil. I'm still very pleased with the toilet for more than half a year.
Through the hinged rim to the toilet until the last corner can clean up well. The high rim protects against standing Pink learning. The toilet is extremely popular with all (seven) cats, therefore another will be purchased.