Using a dishwasher is undoubtedly one of the best practices for a more convenient and hassle-free life as far as doing house chores is concerned. But before doing so, you want to make sure if the items you put in there are compatible with the machine or else you’ll end up having either a malfunctioning dishwasher or damaged items; or worse both.
Below is a list of FAQs about which items should or shouldn’t go in the dishwasher for your guide.
Disclaimer: Answers to the following questions are based on a general perspective, referring to the items as the ones commonly used and/or most readily available in the market. To be perfectly sure, we advise to always check the manufacturer’s instructions or visit their website for a more detailed guideline.
Are plastic containers dishwasher-safe?
Depending on the type of plastic used in the manufacturing of containers that we can tell if they are dishwasher-safe or not. Thin plastic containers may not stand the high temperature of the dishwasher so handwashing them is the best option.
- BPA-free containers are dishwasher SAFE.
BPA or bisphenol A is a chemical used in making plastics. Studies show the presence of this chemical may cause serious health issues. Being BPA-free, therefore, makes it less hazardous during heat exposure.
- Sistema Containers are dishwasher SAFE.
It is well-indicated that these are made dishwasher-safe by the manufacturer. These products are free from both BPA and phthalate chemicals.
- Tupperware is dishwasher SAFE.
Generally, these are dishwasher-safe. However, make sure to check the symbol usually found at the bottom of the container indicating that they are indeed safe to put in the dishwasher.
- Acrylics are NOT SAFE.
Both heat and dishwashing agents can cause acrylic containers to crack.
- Disposable Plastic Containers are NOT SAFE.
Unless indicated safe, these are usually thin ones, which can be melted easily.
Are silicone kitchen products dishwasher-safe?
SAFE. Silicone products such as candy moulds, baking sheets/mats, ice cube trays, Wilton silicone mould, and the like can all go to the dishwasher. The material is basically designed to stand both high and low temperature so it’s not worrisome at all.
Are mugs/cups/glasses dishwasher-safe?
Plain, ceramic ones are SAFE. However, there are other materials that make these products a no-no in the dishwasher.
- Yeti Cups are dishwasher SAFE.
Manufacturers claim that these products are designed to be dishwasher-safe. However, note that the lids should be hand-washed as rubber gaskets can be damaged otherwise.
- Stainless Steel Mugs/Cups are dishwasher SAFE.
Hard materials such as stainless are 100% dishwasher-safe. It also has anti-corrosive property, making it look new every time.
- Mason Jars are dishwasher SAFE.
These are typically made of thick glass so there’s no doubt they can be put in the dishwasher. The lids can go as well so no need to hand wash them.
- Luminarc Glasses are dishwasher SAFE.
The kind of glass these products are made of are dishwasher, microwave and freezer safe according to the manufacturer.
- Copper Cups. NOT SAFE.
Dishwashing agents have harsh ingredients that can damage copper coatings, making them become dull.
- Heat-changing/Sublimation Mugs & Glasses. NOT SAFE.
Unless indicated, prints on these particular products can easily fade from both water pressure and detergents used.
Are bottles and tumblers dishwasher-safe?
Water bottles, milk bottles, tumblers and recycled bottles come in different forms so before tossing them all in the dishwasher, make sure they’re compatible.
- Sports Bottles are dishwasher SAFE.
Most sports bottles are made of stainless steel or hard plastic. Some are even built BPA-free. Examples of these are Klean Kanteen, Nalgene, Hydro flask, Nike water bottle, CamelBak, Chilly’s, Sodastream water bottle and Starbucks tumblers.
- Baby Milk Bottles & Cups are dishwasher SAFE.
These products are sensitively formulated so the top rack of the dishwasher is the best place for them including nipples and nipple shields. Brands such as Avent, Madela, Dr. Brown, Tommee Tippee, Boon Nursh, Comotomo, and Munchkin360 all claim dishwasher-safe features.
- Recycled Plastic Bottles and Jars. NOT SAFE.
Reusing those empty peanut butter or margarine jars is a good idea however it is recommended to be hand-washed instead of putting them in the dishwasher since most of them are made of thin plastic material.
- Vacuum Insulated Tumblers. NOT SAFE.
Heat can cause the seal to be broken thus making the insulation reduced.
Are cookwares dishwasher-safe?
Modern technology has done countless innovations when it comes to cookware. So before you put any of those expensive pans and pots in the dishwasher, keep in mind that not all of them are meant to be there.
- Stainless Steel Cookwares are dishwasher SAFE.
Hard metals like stainless are not prone to corrosion but it’s always better not to use too harsh detergents to maintain its shine.
- Glass Cookware is dishwasher SAFE.
These products are durable and heat resistant so there’s no need to worry about putting them in the dishwasher. Pyrex is one of the most popular brands that boasts this kind of feature.
- Clay Cookware is dishwasher SAFE.
Cookwares made of clay are generally dishwasher-safe. Just be careful in positioning them to avoid cracking or breaking during the process.
- Non-stick Pans. NOT SAFE.
Unless well-indicated (such as Teflon, Tefal, Cuisinart, etc.), non-stick pans are not advisable to be inside a dishwasher because the coatings on this cookware can easily be deteriorated by the water’s high temperature combined with strong detergents.
- Cast Iron Cookwares. NOT SAFE.
The seasoning on these cookwares will fall off when dishwasher resulting in rust, so it is best to just rinse them with hot water and dry up with soft kitchen towel.
- Copper Cookware. NOT SAFE.
Dishwashing this kind of cookware can cause discolouration.
Are dinnerwares dishwasher-safe?
Most dinnerware is dishwasher-safe, but then again depending on the materials that make up these products can we surely say that they indeed are.
- Plain, Porcelain Dinnerwares are dishwasher SAFE.
These ceramic products are durable and basically thicker than others. Acropal and Ikea are among the good brands.
- Fine China is dishwasher SAFE.
These products can stand the gentle wash inside a dishwasher. Just don’t put them too close to each other to avoid scratches.
- Melamine Dinnerwares are dishwasher SAFE.
These durable products are made to stand excessive heat without damaging their properties.
- Gold/Silver Lined Dinnerwares. NOT SAFE.
Handwashing your Royal Albert, Royal Doulton, Crown Victoria Love Lace, or Royal Worcester dinnerware can save them from damaging the prints because prolonged exposure to heat and harsh soaps can tear off these beautiful designs.
- Non-Microwaveable Plastic Dinnerwares. NOT SAFE.
One basic rule to remember is if it’s not microwave-safe, chances are it’s not dishwasher-safe either. Such products may easily melt causing the release of toxic chemicals.
Are kitchen utensils dishwasher-safe?
It may be convenient to just shoot in utensils inside the dishwasher as they don’t need to occupy much space, but before you do that think twice first or else you’ll regret later.
- Stainless Spoons, Forks, Straws, Chopsticks, Ladles are dishwasher SAFE.
Material-wise, they’re no doubt compatible with the dishwasher.
- Gold Plated Utensils. NOT SAFE.
To avoid discolouration, handwashing them is a better option.
- Wooden/Bamboo Utensils. NOT SAFE.
Heat and harmful detergents can cause finish damage and warp.
- Knives. NOT SAFE.
Although knives are stainless steel in nature, it is still not a good idea to put them in the dishwasher. Doing such can result in dullness of the blades plus the fact that it can cause damage to other items inside when touched. Another reason is the adhesive found on the knife’s handle can be damaged and reduced when it comes in contact with hot water and abrasive agents.
- Takeaway/Single Use Utensils. NOT SAFE.
Unless indicated safe, reusable or plastic utensils may commonly be made of thin plastic materials. These are intended for parties or with takeaway meals and are not meant to be reused. They can usually be hand-washed if you do want to make the most out of them, however.
Are appliances and appliances parts dishwasher-safe?
Most appliances come with labels and manuals indicating whether they are dishwasher-safe or not. Those with non-detachable plugs or motors should NEVER be put in the dishwasher for obvious reasons.
- Air Fryer, Coffee Maker, Slow Cooker Parts, Oven Racks. SAFE. No need to worry as these materials are usually made with utmost durability making them dishwasher-safe.
- Blender, Food Processor Parts are dishwasher SAFE.
Don’t forget to remove the blades before tossing them in the dishwasher to avoid unnecessary accidents or damages.
- Breast Pump Parts are dishwasher SAFE.
Use the top section of the dishwasher when putting in breast pump parts to ensure that they are not extremely heated.
- Stove Top Grates. NOT SAFE.
Prolong soaking can result in rust formation.
- Bbq Grills. NOT SAFE.
Most bbq grills are made up of seasoned cast iron metals hence putting them in the dishwasher may damage the surface.
Are other non-kitchen tools dishwasher-safe?
Dishwashers can be your everyday best friend while cleaning in your household. But it doesn’t necessarily mean that you can simply put everything in it and let it do the magic for you.
- Plastic Toothbrushes, Hair Brushes, Makeup Brushes are dishwasher SAFE.
Surprisingly, these items are dishwasher-safe. You can simply toss them in and voila! You’ve just removed every single germ and now they’re ready to use again. But remember that this doesn’t apply to wooden or ivory brush items.
- Bath Toys, Baby Rattles, Building Blocks are dishwasher SAFE.
Although there are certain brands that do not recommend dishwashing, most of the plastic toys can actually be dishwasher-safe. It also helps sanitize these items so as long as there are no label warnings, then you’re on the right track.
- Pet Food Bowls are dishwasher SAFE.
You may also sanitize your fur babies’ food bowls just be mindful not to mix them with your own dishes to prevent cross-contamination of bacteria.
- Clothes. NOT SAFE.
Keep in mind that dishwashers are designed for dishes, not for clothes. Doing so can give you ruined fabrics as a result so if you don’t have a washing machine, spare the dishwasher and go hand wash your clothes, please.
- Shoes. NOT SAFE.
It is never recommended to clean your shoes using the dishwasher because both the cleaning agents and high heat can cause damage to the material.
- Antiques and Fine Figurines. NOT SAFE.
Never risk your precious heirloom pieces by dishwashing them for they will end up either chipped or scratched. Grandma will never like that after all.
