How to Make a fish tank out of a Light Bulb: Step-by-Step Guide and video tutorial

Light bulb fish tank making method video Pikonni fish

Keywords: light bulb fish tank, Fish tank DIY, fish tank tutorial, light bulb fish tank video, fish tank making process


Creating a unique and visually appealing fish tank can be a fun and rewarding DIY project. One innovative idea is to transform a light bulb into a small fish tank, which not only serves as a habitat for your aquatic pets but also adds a touch of creativity to your home decor. In this comprehensive guide, we will provide you with step-by-step instructions and a helpful video tutorial on how to make a fish tank out of a light bulb.

Step 1: Gather the Required Materials

To begin with, gather all the necessary materials for this project. You will need the following items:

1. A light bulb - Choose a clear, round-shaped light bulb that is free from any cracks or damages. Ensure that it is large enough to accommodate your desired fish species.

2. Safety gloves and goggles - Since you will be working with delicate glass, it is essential to protect your hands and eyes.

3. Pliers and wire cutters - These tools will be needed to remove the electrical components from the light bulb.

4. Sandpaper - Use fine-grit sandpaper to smoothen any rough edges on the light bulb.

5. aquarium-safe silicone adhesive - This adhesive will be used to seal the light bulb and create a watertight environment for the fish.

6. Aquarium gravel, plants, and decorations - These items will help create a comfortable and visually appealing environment for your fish.

Step 2: Prepare the Light Bulb

carefully remove the metal base of the light bulb using pliers and wire cutters. Start by removing the outer metal shell and then cut the inner filament carefully. Be cautious not to shatter the glass or get injured during this process. Once the electrical components are removed, use sandpaper to smoothen any sharp edges on the light bulb.

Step 3: Create an Access Point

To ensure easy access for cleaning and feeding, you will need to create a small hole in the light bulb. This can be done by carefully drilling a hole near the top of the bulb using a diamond drill bit. Take your time and apply gentle pressure to avoid cracking the glass. Make sure to wear safety goggles and work on a stable surface.

Step 4: Seal the Light Bulb

Apply a generous amount of aquarium-safe silicone adhesive around the hole you created. Carefully place the end of an air hose into the hole, allowing it to extend into the bulb. This will facilitate air exchange within the tank. Apply additional silicone adhesive around the metal base of the light bulb to ensure a watertight seal.

Step 5: Decorate the Fish Tank

Once the silicone adhesive has dried, it's time to decorate your light bulb fish tank. Add a layer of aquarium gravel to the bottom of the bulb, ensuring it is evenly spread. You can also add live or artificial plants, small decorations, and a hiding spot for the fish. Be mindful of the size and compatibility of the decorations with your fish species.

Step 6: Fill the Tank and Introduce the Fish

Carefully fill the light bulb with dechlorinated water, leaving enough space for the fish to swim comfortably. Before adding any fish, ensure that the water temperature and pH level are suitable for the species you plan to keep. Introduce the fish gently, avoiding any sudden movements that may stress them.

Step 7: Maintenance and Care

Maintaining a light bulb fish tank requires regular monitoring and care. Ensure to check the water parameters regularly, perform partial water changes, and clean the tank as needed. Keep an eye on the fish's behavior and health, and provide them with appropriate food and a well-balanced diet.


Creating a fish tank out of a light bulb is a unique and creative way to showcase your passion for fishkeeping. By following the step-by-step instructions provided in this guide and watching the accompanying video tutorial, you can easily embark on this DIY project. Remember to prioritize the well-being of your fish and enjoy the process of designing and maintaining your one-of-a-kind light bulb fish tank.


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