Frequent otitis as a child, no tubes placed. been experiencing intermittent bilateral crackling in ears. please help?

First thing,: have you tried to clean your ears with hydrogen peroxide and a bulb syringe

Eustachian dysfnx: It seems as though you are going through life with dysfunctional Eustachian tubes.These are anatomic "pipes" that hook up your middle ear to the back of your throat. They equalize pressure between your middle ear and environment and also drain any fluid your middle ear produces. If they are anatomically tiny or just don't function well, you get fluid and pressure build up in ear and your symptoms