How Chicago Turns Its River Green for St. Patrick’s Day
Every year on St. Patrick’s Day, the Chicago River turns a vibrant shade of green. It’s a beloved tradition that attracts thousands of spectators to the city’s riverbanks. But how exactly does this magical transformation happen?
The Science Behind the Green River
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The green hue is achieved by pouring a special, non-toxic dye into the river. This dye, which is a combination of fluorescein and orange food coloring, reacts with the water to create the emerald green color. The dye is completely safe for both humans and aquatic life.
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| How Does Chicago Turn Their River Green |
A Brief History of the Green River
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The tradition of dyeing the Chicago River green began in 1961 as a publicity stunt for the Kelly & Sons plumbing company. The original dye used was a bright blue, but it was later changed to green to better represent St. Patrick’s Day.
The Logistics of the Dyeing Process
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Dyeing the river is a complex operation that requires careful planning and coordination. The dye is released from multiple locations along the riverbanks, and it takes several hours for the entire river to turn green. The city also takes precautions to ensure that the dye does not contaminate the drinking water supply.
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The Environmental Impact of the Green River
Despite the use of chemicals, the environmental impact of dyeing the river is minimal. The dye is biodegradable and breaks down naturally over time. Additionally, the city takes steps to minimize the amount of dye used and to prevent it from entering other waterways.
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FAQs
How to:
How to make a green river at home?
- You can create a mini green river by pouring a few drops of green food coloring into a bowl of water.
How to find the best spot to watch the green river parade?
- The best spots to watch the parade are along the riverbanks between Wells Street and Lake Street.
How to take good pictures of the green river?
- To get the best photos, try using a tripod and a long exposure setting.
How to stay safe during the green river celebration?
- Be aware of your surroundings, avoid crowded areas, and don't drink and drive.
How to plan a trip to Chicago for St. Patrick’s Day?
- Book your hotel and flights in advance, as prices tend to increase during this time of year.
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