The aerator needs proper maintenance due to clogging of the sediments and the lime in the aerator. If you feel that the flow of the water is improper than it essential to clean the aerator from the water clogging due to lime or sediments. It is necessary to open the aerator from the faucet by turning it anticlockwise. If it is not unscrew than open the aerator with using the pliers.
Once you open the aerator than it is essential to clean the air with brush and clean it with the aerator. You can maintain the aerator yourself by cleaning the aerator by yourself. If you feel aerator cant flow the water properly than it is essential to remove the clogging from the aerator and ensure that the flow of water gets proper.
I think it is essential to maintain the aerator properly so that water flow can be maintaining it properly. It is essential to remove the clogging by applying the vinegar.