Thinner for Mr. Color acrylic paint

Many thanks for the suggestions.  I'm off to my nearest Home Depot for the lacquer thinner.

Morto

Heck, I just painted a model using Mr. Color paint.  I used a product called Klean Strip Lacquer Thinner that I bought from Home Depot.  A one quart can cost less than $10 IIRC.  The results were great and a 1 quart can will last for a couple of years.  Now that I know it works great I won't waste the money on Mr. Color thinner.

For the Mr Color lacquer based paints, Tamiya Lacquer thinner (yellow cap) will also work. At a pinch, regular lacquer thinners should work, but may be too aggressive and may melt styrene.