The answer to 'vacuum grimy' is that a vacuum cleaner can become grimy and ineffective due to a buildup of dirt, dust, and debris over time. This can lead to decreased suction power, poor cleaning performance, and even damage to the vacuum's internal components.
Some common causes of a grimy vacuum include not regularly emptying the dust cup or bag, not cleaning the filters, and using the vacuum on excessively dirty floors or carpets. Symptoms of a grimy vacuum may include visible dirt and debris in the hose or cup, reduced suction, and difficulty picking up dirt and debris. To solve this issue, it's important to regularly maintain your vacuum by emptying the dust cup or bag, cleaning the filters, and ensuring all the components are properly functioning.