How much less is the capacity of a toilet tank than the capacity of a toilet?

The new toilet is generally 6 liters, and the old toilet has 8 liters or even 12 liters. The suspension direct charge is a 9-liter siphon toilet, with two gears, one gear is a small toilet, and a 3-liter toilet stall is 6 liters. Characteristics of the species: >>>More

I remember that I used to use 13 liters, but now I usually use 7 liters, and if I think it's still too big, I can put a liter of water bottle in the tank. This reduces the amount of water in the tank and reduces the amount of water used.

Even if the septic tank has a small capacity, as long as there is no blockage, it will not affect the water coming out of the toilet. The septic tank has a small capacity, but the amount of use is large, which will lead to insufficient fecal dissolution, so that the septic tank septic (decomposes and dissolves feces) can not achieve the desired effect. >>>More

There is no way to install it, the toilet tank cover is ceramic, it is difficult to ream, only go out and buy a suitable drain button.

Depending on the number of uses, there is not much more to use less. After all, 1 ton of water is only a few yuan, and it has to be flushed many times.