How do I know when five treatments have occured? April 29, 2026 20:39 Updated The LEDs will turn solid blue to indicate a full treatment session has been completed. Related articles How many treatments should I aim for in each session? What should I do if using Earflo isn’t improving my child’s symptoms? Can I use Earflo with multiple children? What happens if I use Earflo more than 10 times in one day?