Experts from Which? have cautioned against the common practice of using vinegar as a cleaning agent for washing machines, highlighting that it can lead to one significant problem that may impair the appliance's function. While vinegar is widely regarded as a cost-effective, versatile cleaner paired with bicarbonate of soda, its corrosive properties can negatively affect certain components of washing machines, particularly rubber seals and hoses. As a result, reliance on vinegar could lead to costly repairs or replacements.