Dishwashers are an essential appliance in many households, making mealtime cleanup a breeze. However, one common question that arises is whether or not a dishwasher should have standing water. While it may seem like a minor detail, the presence or absence of standing water can have implications for your dishwasher’s performance and longevity.
Understanding Dishwasher Operation
To determine whether standing water is necessary, it’s important to understand how a dishwasher operates. During a wash cycle, the dishwasher fills with water to a certain level. The water is then heated and pumped through spray arms that rotate, dislodging food particles from dishes. The dirty water is then drained and pumped out of the dishwasher.
Benefits of Standing Water
Some dishwashers are designed to have a small amount of standing water at the bottom of the tub after a wash cycle. This water can provide several benefits:
- Prevents Odor: Standing water can help prevent odors from forming in the dishwasher. When the dishwasher is empty, the remaining water forms a barrier that prevents air from circulating and carrying food particles and moisture around.
- Lubricates the Pump: The standing water can also lubricate the dishwasher’s pump, reducing wear and tear.
- Prevents Clogging: A small amount of standing water can help prevent food particles from clogging the dishwasher’s drain.
Drawbacks of Standing Water
While standing water can have some benefits, it can also lead to certain drawbacks:
- Bacteria Growth: Standing water can provide a breeding ground for bacteria, especially if the dishwasher is not cleaned regularly.
- Mold and Mildew: The moisture from standing water can promote mold and mildew growth in the dishwasher’s tub and seals.
- Corrosion: Standing water can lead to corrosion of the dishwasher’s metal components, such as the heating element and spray arms.
Factors to Consider
The decision of whether or not your dishwasher should have standing water depends on several factors:
- Dishwasher Model: Some dishwasher models are designed to have standing water, while others are not. Check your dishwasher’s user manual for specific instructions.
- Frequency of Use: If you use your dishwasher frequently, standing water may not be a significant issue. However, if you use it infrequently, standing water can lead to bacteria and mold growth.
- Maintenance Routine: If you are diligent about cleaning your dishwasher regularly, standing water may not be a problem. However, if you do not clean your dishwasher often, standing water can accumulate and cause issues.
Recommendations
Based on the factors discussed above, here are some general recommendations:
- Follow Manufacturer’s Instructions: Always consult your dishwasher’s user manual for specific instructions on whether or not standing water is recommended.
- Clean Regularly: Regardless of whether or not your dishwasher has standing water, it’s important to clean it regularly to prevent bacteria and mold growth.
- Use a Dishwasher Cleaner: Use a dishwasher cleaner monthly or as recommended by the manufacturer to remove food particles and prevent odor.
- Consider a Dishwasher with a Built-in Water Sensor: Some dishwashers are equipped with water sensors that detect and drain any excess water after a wash cycle. This can help prevent standing water issues.
Recommendations: The Final Verdict
The presence or absence of standing water in a dishwasher is a matter of debate. While standing water can provide certain benefits, it can also lead to drawbacks if not properly managed. By considering the factors discussed in this blog post, you can make an informed decision about whether or not standing water is right for your dishwasher. Remember to follow the manufacturer’s instructions, clean your dishwasher regularly, and use a dishwasher cleaner to maintain its performance and longevity.
Questions We Hear a Lot
Q: Why does my dishwasher have standing water even after a wash cycle?
A: Standing water after a wash cycle can be caused by a clogged drain hose, a faulty water sensor, or a problem with the dishwasher’s pump.
Q: Can I drain the standing water from my dishwasher manually?
A: Yes, you can manually drain the standing water from your dishwasher by disconnecting the water supply and then opening the drain hose. Be sure to place a bucket or pan under the drain hose to catch the water.
Q: How often should I clean my dishwasher’s drain filter?
A: The drain filter should be cleaned every 1-3 months, or more frequently if your dishwasher is used heavily.
