Side Sprayer Aerator Cleaning Tips An insufficient flow of water is usually the result of blockage. The most common cause for blockage in not just kitchen faucets but sprayers also is the build-up of mineral deposits which is collected in the supply hose, the shutoff valve, the faucet valve, or the aerator. For the side sprayer most of the time the blockage comes from the aerator. There is a possibility that the build-up can occur in the hose as well. To clean the aerator: 1.
