do any of the pros here use "inks"?

I did a little research and found that there are both "opaque" and "transparent" inks

also acrylic is only one type of ink

and as many products there are variations in quality(good vs cheap).

I had no idea that  "ink" is a broad category as it is ..

 thanks for the video panzerace.. that guy is awesome !.. I watched some of his other vids and he knows his stuff !

 if anything I found a new channel to learn something from !I am probably the worst brush painter in this forum,,picked up some great tips from  that channel