This may be a stupid questions, but I'll go ahead with it anyway.

I just bought some ACE Rust Stop (International Blue Gloss) from ACE Hardware. I noticed, though, it says "Salvent-Based Enamel" instead of Rust-Oleum's "Oil Based Enamel". Is this OK? Did I mess up? If it is OK, Will I still need to mix the same amount of Mineral Spirits?

Also, how do you mix paint an Mineral Spirits (as in, In what container do you mix it in)?

Thanks, guys!