Egg Candler
Product Details
The Brinsea Egg Candler is a high-intensity LED candling lamp used to determine fertility and monitor embryo development in poultry eggs. Bright LED illumination provides a clear view without the risk of overheating or damage to the egg.
Key features:
- Ideal for identifying fertility, embryo development and shell quality
- High-output LED illumination for clear, detailed viewing
- Safe for all egg sizes, including small or delicate eggs
- Cool operation—won’t overheat eggs
Whether used handheld or placed on a flat surface, this candler is a helpful tool for monitoring hatching progress.
Instructions/Diagrams:
Stages of a Fertile Egg 
Specs
- Dimensions: 5"L x 3.3"W x 1"H
- Included accessories: Two rubber rings to fit different egg sizes
- Light source: High-output LED (no bulbs to replace)
- Suitable for: Poultry, waterfowl and exotic eggs
- Requires 4 x AA batteries (NOT included)
- Manufactured by Brinsea
How To Use
- In a darkened room, gently place the large end of the egg on the appropriately sized rubber ring and switch the candler ON.
- Rotate the egg slowly to observe internal features such as veins, embryo development or the air cell.
- Dispose of any infertile eggs, which will appear clear.
- Return fertile eggs to the incubator promptly to maintain proper temperature and humidity.
- Switch the candler OFF when not in use to maximize battery life.
Common Questions
- When should I candle my eggs?
- Most people candle at least twice during incubation—once around day 7 to check for fertility and again around day 14 to confirm embryo development. Avoid candling too late in incubation, as the eggs become darker and harder to see through.
- Can candling harm the embryo?
- Not when using a proper egg candler with cool LED light. Unlike older incandescent bulbs, LED candlers don’t emit enough heat to damage the embryo, even with prolonged use.
- What should I look for during candling?
- Early on, you’re looking for visible veins or a dark spot that indicates embryo development. As the embryo grows, you'll see more movement, a growing dark mass, and eventually, the air cell enlarging near the blunt end.
- What does a “clear” egg mean during candling?
- A clear egg (with no visible veins or embryo) after 7–10 days of incubation likely means it is infertile or the embryo stopped developing early. These should be removed from the incubator to prevent contamination.
Precautions
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