No, you don't really have to block acrylic. Sometimes if you get some curling or you want to flatten it out a bit, you can steam it. When you wash it it will go back to the way it was.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry