how to transfer vape oil from cartridge to cartridge

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Vape oil cartridges are small and compact containers that hold your favorite vape oils or e-liquids. If you carry around a vaporizer or vape pen, you may want to transfer your vape oil from one cartridge to another. Whether you have excess vape oil that you want to save or want to try a new flavor, it is indeed possible to transfer vape oil from cartridge to cartridge. In this article, we’ll walk you through the steps to ensure that you do it correctly and safely.

Materials required:

1. Empty vape oil cartridge

2. Filling syringe with a blunt needle

3. New vape oil cartridge

Step 1: Choose the Right Syringe

A medical-grade syringe with a blunt tip needle is the best possible option to transfer vape oil from one cartridge to another. Fortunately, you may easily purchase one at your nearest pharmacy. You will also need a syringe with a capacity greater than the amount of vape oil you plan to transfer to minimize spills.

Step 2: Extract the Vape Oil

Unscrew the top of your old vape oil cartridge first. Then gently pull the tip of the syringe open and slowly push it down into the old cartridge. Now, carefully suck out as much vape oil as is required from the syringe using a system that has a one-to-one ratio. Your new cartridge should have at least as much vape oil as the old one.

Step 3: Clean the Syringe

Once you’ve successfully extracted all the vape oil, make sure that you clean the syringe so that there is no residue before you extract the new oil. Use a clean, dry cloth or tissue to dry the inside of the syringe so that no old vape oil remains.

Step 4: Fill the New Cartridge

Unscrew the old cartridge and put it to one side, then remove the stopper from your new cartridge. Now, slowly transfer the recently extracted vape oil to the new cartridge and fill it up until it has the recommended level of oil. It would be best to fit the tip of the syringe into the filler hole of the new cartridge and carefully push the plunger down to transfer the oil to the cartridge.

Step 5: Recap the New Cartridge

After filling the new cartridge to the brim, screw the cap back onto the filler hole to avoid any leakage. Ensure that everything is secured, and there is no leakage or spillage on the outside of the cartridge.


Transferring vape oil from one cartridge to another is a simple process, but it must be done with caution and cleanliness. Follow the steps outlined above to prevent any damage to yourself or your vaping device. Furthermore, make sure you double-check that your new cartridge is compatible with your vape pen or device before you put it to use.


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