I think I used TCP when I got all my createx paints. I bought the whole line of paints at one shot. I have used createx for years. Love the colors. I first started airbrushing when I was in 8th grade. Now that I am 35 createx is all that I have ever used. I use an Iwata airbrush as well. Dual action and gravity fed. The reason I use gravitity feed vs bottle is because I can just add a few drops of paint and change colors very quickly. Plus if you have to mix paint you don't have to mix a lot of it at one time. I hope this helps.