This provides the perfect way to see how well your chicks are developing. Simply hold the candler to the fat end of the egg in a dark room and you should be able to see if your eggs are fertile or not from about 7 days.

To operate simply push the the red button.There is also a smaller rubber adapter for quail eggs.

Note: For thick shelled eggs like duck and goose and very dark coloured shelled eggs a high intensity egg candler will give better results.