6 liters of cat litter is equal to about 2-2.5 kilograms. Cat litters include tofu cat litter, bentonite cat litter, crystal cat litter, pine cat litter, paper cat litter, etc. Each type of cat litter has its own advantages and disadvantages. Generally, bentonite cat litter and tofu cat litter are commonly used.

There is also bentonite cat litter that is cheap and has strong clumping power, but it is easy to stick to the cat's feet; tofu cat The litter can be flushed directly to the toilet, but it is more expensive; crystal cat litter has strong water absorption, but it is often swallowed by mistake. Pine cat litter turns into powder when exposed to water, which is easier to clean, but it is prone to moisture and the breeding of bacteria.