Originally Posted by davidshelton
Don't want to get things off track, but I've used Valspar hardener with Rustoleum to really bring out the gloss and speed up the drying process. Bought it from Tractor Supply and Amazon.
I had considered using a hardener, but decided on the Penetrol to make it smooth. Paint is quite glossy and will be better after the second coat and clear. I still have 1/2 gallon of Rustoleum and enough Penetrol for another coat, but maybe ill try the hardener on my next paint project.