What Does A Wax Build Up Look Like What Do You Do For Your Dog With Wax Build Up In His Ear?

What do you do for your dog with wax build up in his ear? - what does a wax build up look like

my dog recently, I have listened to have less and looked into his ear, and saw that there is a lot of ear wax .. I bought this hardware to solve the problem, but it does not work very well .. Who knows what can I do?