It is also recommended that you drink bottled water rather than tap. Insects Insect repellent can be purchased at pharmacies. It is recommended for use when hiking or camping outside of Seoul. Insect repellent should be used on exposed parts of the body regularly during the summer months. Water Tap water is usually safe to drink, but most people order bottled water for drinking.
Tap water is fine for cooking.
Various filtering systems are available in all department stores, and these can be connected to your tap. During the winter humidifiers are needed from the excessively dry air in Korea. They may also be helpful in aiding those individuals suffering from respiratory problems. These briquettes emit dangerous carbon monoxide gases. Make sure you have good ventilation in the room before going to sleep.