The white residue or film that can form on the inside of a dishwasher is often referred to as "dishwasher residue" or "dishwasher scale." Several factors can contribute to its formation:
Hard water: Hard water contains high levels of minerals like calcium and magnesium. When hard water is used in a dishwasher, the heat and detergent can cause these minerals to precipitate and form a white residue on the dishwasher's interior surfaces. Over time, this residue can build up and become more noticeable.
Insufficient rinse aid: Rinse aid is a liquid additive that helps to prevent water droplets from forming and leaving behind spots or streaks on dishes. It also aids in preventing the formation of a white film on the dishwasher interior. If the dishwasher lacks sufficient rinse aid or if the rinse aid dispenser is empty or improperly adjusted, it can contribute to the buildup of residue.
Improper detergent use: Using too much detergent or using the wrong type of detergent can lead to the formation of a white film. Excess detergent can create excessive suds and prevent effective rinsing, leading to residue buildup. Additionally, using regular dish soap or hand soap in the dishwasher can also cause excessive suds and leave behind a film.
Clogged spray arms or filters: If the dishwasher's spray arms or filters are clogged with food particles or mineral deposits, it can lead to insufficient water circulation and poor rinsing. This can result in the formation of a white film on dishes and the interior of the dishwasher.
To address the issue of a white film inside your dishwasher, you can try the following steps:
Clean the dishwasher: Regularly clean the interior of your dishwasher using a non-abrasive cleaner or a mixture of vinegar and water. Pay attention to the spray arms, filters, and other components where residue may accumulate.
Check and refill rinse aid: Ensure that your dishwasher has an adequate supply of rinse aid. Consult your dishwasher's manual for instructions on how to adjust or refill the rinse aid dispenser.
Use the correct detergent: Make sure you are using a dishwasher detergent that is specifically designed for use in dishwashers. Follow the manufacturer's instructions regarding the recommended amount to use.
Consider water softening options: If you have hard water, installing a water softener or using a water softening product can help reduce mineral buildup and the formation of residue.
If the problem persists or worsens, it may be helpful to consult the dishwasher's manual or contact the manufacturer for further guidance and troubleshooting.