A lighter traditionally has a yellow or red flame caused by burning the butane gas housed in the body. Sometimes, such as for parties or for a Halloween costume, you may want to change the colour of the lighter flame to create a more dramatic effect. You can create a green flame by having the flame come in contact with copper sulphate, a chemical commonly found in pool stores for helping control algae. It requires a slight modification to the lighter itself.
- Skill level:
- Moderately Easy
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Things you need
- Rubber gloves
- Copper sulphate
- Soldering iron
- Small wire mesh
Put on rubber gloves to protect your hands from the chemicals. Place the sawdust into a large leakproof container. Add the liquid copper sulphate into the container until the sawdust is saturated. Mix the sawdust around to make sure all the copper sulphate is absorbed. The amount of copper sulphate you need depends on how much sawdust you are using.
Pour the sawdust out on a table and spread it out evenly. Let the sawdust dry out. The liquid evaporates, but the copper sulphate remains inside the sawdust. The amount of time this takes depends on the amount of sawdust and saturation of the copper sulphate liquid.
Remove the hood from the lighter. Solder the wire mesh to the bottom of the hood, allowing enough room for the hood to slip back onto the lighter. Create a flame with the lighter and make sure the flame travels through the wire mesh and isn't distorted or deformed as it passes through.
Take a small amount of the dried sawdust and place it onto the wire mesh. Pack it in tight, so it cannot be seen from the outside. Start a flame with the lighter. The copper sulphate infused sawdust burns, creating a green flame. It may take a few seconds after shutting off the butane gas for the sawdust to burn down.
Carry a small pouch of the sawdust with you. Pull a small amount from the bag and put it onto the wire mesh for the next use.
Tips and warnings
- Do not ingest copper sulphate, and use rubber gloves throughout the saturation process.
- Be careful using the lighter and flames in general; they can cause burns or the hood can become hot.
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