Thank you for reaching out to us.
Ear wax outside the ear canal, or at the opening of the ear canal, is a
chatzitzah, but ear wax inside the canal is not. Therefore, the wax that you found
this morning does not affect the validity of your immersion.
Medically, it is not recommended to insert a Q-tip, or anything else, inside the ear canal. When
preparing for mikveh (and in general), it is sufficient to clean just at the opening of the ear canal.
Please let us know if we can be of further assistance.