paint for tubes

[Rodnall]

Has anyone used craft smart acrylic paint to paint their tubes or reverse paint the blanks? Michael's has it on sale 3 for $1. They also have Liquitex basics acrylic paint 3 for $10
Rod

 

[Carl Fisher]

Not sure if it's the same brand, but I use the craft acrylics (less than $1/bottle) from Michael's and they work fine. 3 primary colors plus black and white and you can make any color you need.