Articles

Solving everyday tech and lifestyle questions — AI, smartphones, PCs, web, work, and life.

An image of resolving the smell of laundry by reviewing the washing machine's rinse settings

Does your laundry smell like something? Pitfalls of setting “one rinse” and how to correctly choose the number of rinses and course

The reason why your laundry smells may be due to the "one rinse" setting. We will explain in an easy-to-understand manner the difference between pre-rinsing and water-filling rinsing, how to change settings depending on the manufacturer, and precautions for detergents that can be rinsed once.

2026.03.05鈴木遥

Cleaning tools for bathroom door rails and gaskets (spray bottle, toothbrush, cloth)

暮らし・家事

Can't get rid of the black mold on the bathroom door rail/packing? Cleaning methods for different types of dirt and 5 habits to prevent recurrence

We explain how to remove black mold, white crunchy dirt, and pink dirt from bathroom door rails and rubber gaskets by dirt type. We will also introduce the chlorine bleach compress method, citric acid pack procedure, and 5 preventive measures to prevent mold from growing again.

2026.03.02鈴木遥

Image illustration of the washing machine lid being locked and not opening

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Can't open the washing machine lid? 6 reasons why you can't unlock the lock and how to deal with it yourself [by manufacturer]

We explain six reasons why the lid of your washing machine won't open or unlock (child lock, high temperature lock, poor drainage, power outage, dirty sensor, malfunction) and how to deal with it depending on the manufacturer. Based on official information from Panasonic, Hitachi, Toshiba, and Sharp, we have compiled a list of steps you can take to resolve the issue yourself.

2026.02.28鈴木遥

Image illustration of clothes still damp even after drying in the washer/dryer

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Is your washer still damp even though it has finished drying in the washer/dryer? 6 causes of dry skin and how to deal with it yourself

We explain six reasons why your clothes are damp or half-dry even after your washer/dryer has finished drying (clogged filter, overfilling, faucet, exhaust vent, room temperature, humidity, internal dust) and solutions you can try right away. Also introduces criteria for determining whether to repair or replace.

2026.02.27鈴木遥

Image illustration of anti-mold smoke agent emitting smoke in the bathroom and coating the bathroom

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Does the anti-mold smoke agent in the bathroom not work? 5 reasons why it doesn't last for 2 months and tips to make the effect last longer

Even after using an anti-mold smoke agent, mold grows quickly...We will explain the 5 reasons why, how to use it correctly, and a mold prevention routine that can be done in 30 seconds every day.

2026.02.26鈴木遥

Illustration of a robot vacuum cleaner lighting up a red lamp in front of a charging station

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Robot vacuum cleaner not working or charging? 6 causes and how to deal with it yourself [Compatible with Roomba, ECOVACS, Anker]

We explain six reasons and solutions for when a robot vacuum suddenly stops working or cannot be charged, and what to do about it, by manufacturer. We've put together a list of methods you can try yourself before sending it in for repair, including cleaning the charging terminal, replacing the battery, and resetting it.

2026.02.24鈴木遥

Image illustration of cleaning limescale stains on a humidifier with citric acid

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Will the white lumps on the humidifier not come off with citric acid? Cleaning methods and preventive measures for each type of limescale stains

Explains what to do when the white lumps (calcium) stuck to the humidifier cannot be removed with citric acid. The three methods of increasing concentration, pasting, and repeated washing, the correct frequency of cleaning for each type (steam, ultrasonic, vaporization, and hybrid), how to remove pink stains, and how to put it away at the end of the season.

2026.02.22鈴木遥

Order of baking soda and citric acid for drain cleaning

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Baking soda and citric acid for cleaning drains | Order of addition and what to do if bubbles don't come out

The correct order to use baking soda and citric acid when cleaning drains is "baking soda first, then citric acid." We will also explain the reasons why bubbles do not appear and how to deal with them.

2026.02.15鈴木遥

Reasons why the refrigerator ice maker does not make ice and how to fix it

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Can't make ice with your refrigerator's ice maker? Summary of causes and how to fix it yourself

Explaining the reasons why your refrigerator's ice maker does not make ice and what to do about it. We have also summarized precautions for each manufacturer, focusing on cases that can be fixed by yourself, such as water tanks, filters, and freezing.

2026.02.15鈴木遥

Illustration of leaving the air conditioner on and electricity bill

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Is it cheaper to leave the air conditioner on? Compare electricity costs when turning off frequently

Is it cheaper to leave the air conditioner on or turn it off frequently? Compare electricity bills by condition and clearly explain when to turn it off or leave it on. Also introduces power saving techniques.

2026.02.15鈴木遥

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