DIY Eggcellent: Hatching Success with Your Styrofoam Cooler Incubator!
- chickadeeridgefarm
- Jan 16, 2024
- 3 min read
Updated: Feb 10, 2024

Here's a guide on how to build a simple egg incubator using a styrofoam cooler. This DIY project is a cost-effective way to hatch eggs at home. Follow these steps to create your own egg incubator:
Materials Needed:
1. Styrofoam cooler (with a lid)
2. Temperature and humidity gauges
3. Incandescent light bulb or heating element
4. Thermostat (optional)
5. Egg trays or egg cartons
6. Water tray
If you are interested in seeing the whole process, you can install a small clear plastic window in the lid.
Step 1: Prepare the Styrofoam Cooler
- Select a clean and intact styrofoam cooler with a lid. The cooler should be large enough to accommodate the number of eggs you want to hatch.
Step 2: Install Temperature and Humidity Gauges
- Attach a thermometer and humidity gauge inside the cooler. Place them at egg level to monitor the conditions accurately. We prefer the wafer thermostat, we ordered online, and wired to our lights. We picked up humidity gauges at our local chain feed store. We had indoor/outdoor thermometers already that work well for displaying the temperature without opening the incubator.
Step 3: Create Ventilation Holes
- Cut small holes near the top of the cooler for ventilation. Adequate airflow is crucial for the well-being of the developing embryos.
Step 4: Install Heating Element
- Place an incandescent light bulb or a heating element inside the cooler. This will provide the necessary warmth for the eggs. You can adjust the temperature by changing the wattage of the bulb or using a thermostat. We have made incubators with one bulb or two bulbs. We used sockets that we removed from a free chandelier.
Step 5: Set Up the Water Tray
- Add a water tray to maintain humidity. This can be a shallow container filled with water. Regularly check and refill it to ensure consistent humidity levels. We started with a plastic cup and moved to using a tall canning jar.
Step 6: Arrange the Eggs
- Use egg trays or egg cartons to securely hold the eggs. Ensure that they are positioned with the pointed ends down An alternative is to use non-skid shelf liner positioning the eggs on their sides.
Step 7: Monitor and Adjust Conditions
- Regularly monitor the temperature and humidity levels. Adjust the settings as needed to create an optimal environment for egg incubation.
Step 8: Wait for Incubation
- Close the lid and let the incubator run for the required incubation period. The duration varies depending on the type of eggs you are hatching. Refer to specific guidelines for the eggs you have. Minimize opening the incubator: opening just for turning
Step 9: Candling
- Optionally, perform candling to monitor embryo development. Candling involves shining a light through the egg to observe the growth inside. Checking eggs early on helps identify eggs that are not developing. These "dud" can be removed from the incubator.
Step 10: Hatching
- Once the incubation period is complete, be prepared for the hatching process. It is important to resist the urge to open the incubator once the hatching has begun.
Note:
- It's essential to follow specific guidelines for the type of eggs you are incubating, as different species may have unique requirements.
By following these steps, you can create a basic yet effective egg incubator using a styrofoam cooler. Enjoy the process of hatching your own eggs at home!



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