Yes, sponge has strong adsorption.
Sponge is rich in water easily, and the kitchen is generally damp, is the best of the bai bacteria breeding environment, so the sponge after use, to obtain a ventilated place dry available medicinal alcohol added to disinfection effect, and about 2 week to put the sponge in the boiled water cook, with high temperature and kill bacteria, but attention should not be put in the microwave or oven heating, because the sponge is plastic products more, when the temperature is too high, can release toxins or dissolved.
If the sponge is found to be seriously discolored, moldy and have unknown holes, it means that the sponge has been used too long, contains a large number of bacteria or has been bitten by the vector. At this time, we must replace the sponge in time. Even if there is no any of the above listed conditions, we must replace the sponge within a fixed period of time and keep the sponge clean.