Paint too thick

Sher asked 5 years ago

What product can I add to a half a gallon of old paint? I have a really found a favorite color but it is so thick. It is a per machine interior, semi gloss paint from Dunn Edwards. Thanks for answering ASAP 

2 Answers
MagicDave answered.

Get a color match but throw that old paint away it is NO GOOD, then get a fresh can with that color, from Sherwin Williams or Behr…

Crowder Painting answered.

Water for water based paints and mineral spirits for oil base base paint.  Most likely this is water based or acrylic/latex.