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Reverse osmosis (often abbreviated as RO) is a water filtration technique that helps remove impurities from water by pushing it through a semipermeable membrane. This process is frequently used in water filtration machines, many of which can be found on street corners and in residential areas throughout Thailand.

These machines are a convenient source of drinking water for locals and travelers alike, but how do they actually work, and are they safe to use? Below, we will delve deeper into the concept of reverse osmosis, compare it with the natural phenomenon of osmose (osmosis), and look at how these machines function and what considerations you should keep in mind when using them.

Understanding Osmosis vs. Reverse Osmosis

Before explaining reverse osmosis, it’s helpful to understand the simpler process of osmosis. In osmosis, water naturally moves from a region with a lower concentration of dissolved substances (like salts or impurities) to a region with a higher concentration, through a semipermeable membrane. This membrane allows water molecules to pass while blocking larger particles or molecules. Osmosis is driven by the desire to balance concentrations on both sides of the membrane.

Being a digital nomad means taking your work with you around the world, relying only on a laptop and a stable internet connection. Instead of being tied to an office in your home country, you can explore exotic beaches, vibrant cities, or peaceful mountain towns—all while continuing to work. This lifestyle offers incredible freedom but also comes with its own challenges. One of the most popular destinations for digital nomads is Thailand, with Chiang Mai standing out as a favorite spot.

Why Thailand, and Why Chiang Mai?

Thailand has long been a magnet for travelers from all over the world. The country is known for its friendly locals, beautiful landscapes, delicious food, and affordable living costs. Combined with a growing digital nomad community and excellent coworking spaces, Thailand has become a top choice for those who work remotely.

If you’ve ever been to Thailand, chances are you’ve heard people rave about 7-11. While it might just be a regular kiosk convenience store in other countries, in Thailand, it’s a cultural icon and a go-to place for both locals and tourists. So, what’s the big deal about 7-11 in Thailand?

You’ll Find Them Everywhere

7-11 stores are literally everywhere in Thailand. From bustling streets in Bangkok to small villages, from highways to remote islands, you’ll never have to look far to find one. In cities, you might even see several stores on the same street, just a short walk apart. No matter where you are, 7-11 is always nearby.

Always Open

Most 7-11 stores in Thailand are open 24/7. Whether it’s late at night or early in the morning, you can always pop in to grab what you need. This makes them a lifesaver, especially in smaller towns where other shops close early.