Why Are People Putting Empty Plastic Bottles in the Washing Machine? The Simple Laundry Trick That Surprises Many
The internet is full of clever household hacks, and one of the latest to grab attention involves something almost everyone has at home—an empty plastic bottle.
Some people claim that tossing a tightly sealed empty plastic bottle into the washing machine can help improve laundry results, reduce wrinkles, and even save money.
But does this unusual trick actually work? Here's what you should know before trying it.
What Is the Plastic Bottle Laundry Hack?
The idea is simple:
Before starting a wash cycle, place one or two clean, empty plastic bottles with their caps tightly secured into the washing machine along with your clothes.
As the drum rotates, the bottles move around with the laundry, creating extra movement between fabrics.
While this isn't a scientifically proven laundry method, many people use it as a home hack to help improve washing performance.
Claimed Benefits of Using Plastic Bottles in the Washing Machine
1. May Help Reduce Clothes Tangling
Large items like bed sheets, hoodies, and blankets often twist together during a wash cycle.
Some users say the movement of the bottles helps separate fabrics, reducing tangles and making clothes easier to remove after washing.
2. Could Improve Water Circulation
Because the bottles move freely inside the drum, they may help shift laundry around, allowing water and detergent to circulate more evenly through the load.
This may be most noticeable when washing bulky items.
3. May Reduce Wrinkles
When clothes become tightly twisted during washing, they often come out with deep creases.
By helping prevent fabrics from bunching together, the bottles may reduce some wrinkles, making ironing easier.
Results vary depending on the fabric type and wash settings.
4. May Help Fluff Large Items
Comforters, jackets, pillows, and blankets sometimes clump together while washing.
The moving bottles may help separate these bulky items during the cycle, allowing them to wash more evenly.
5. An Eco-Friendly Way to Reuse Plastic Bottles
Instead of immediately recycling a sturdy plastic bottle, some households reuse it for simple cleaning hacks like this one.
If you try the method, be sure the bottle is clean, undamaged, and tightly sealed.
Does It Really Work?
There is limited scientific research on this specific laundry hack.
Many of the reported benefits come from personal experiences shared online rather than controlled studies.
Whether it makes a noticeable difference can depend on:
The size of your washing machine
The amount of laundry
The type of fabrics
The wash cycle selected
The size and condition of the bottles
Some people notice little or no difference, while others find it helpful for bulky loads.
Is It Safe?
If you want to try this hack, keep a few precautions in mind:
Use only clean, empty plastic bottles.
Make sure the caps are screwed on tightly to prevent water from entering.
Avoid damaged, cracked, or brittle bottles that could break during washing.
Don't overload the washing machine.
If you hear excessive banging or notice unusual vibration, stop the cycle and remove the bottles.
Always follow your washing machine manufacturer's instructions, as some manufacturers may discourage placing non-laundry items in the drum.
Other Laundry Tips That Really Help
Whether or not you try the bottle trick, these proven habits can improve washing results:
Sort clothes by color and fabric type.
Avoid overloading the machine.
Use the recommended amount of detergent.
Wash delicate fabrics on gentle cycles.
Shake out clothes before placing them in the dryer or hanging them to dry.
Clean your washing machine regularly to prevent odors and detergent buildup.
Is There a Better Alternative?
Many washing machines already include features designed to reduce tangling and improve cleaning performance.
For drying bulky items, specially designed dryer balls can help separate fabrics and improve airflow. Unlike improvised household items, these products are made specifically for use in laundry appliances.
The Bottom Line
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