Board Thread:Questions and Answers/@comment-209.197.186.156-20130421152122/@comment-6294495-20130421174329

Redstone Dust doesn't condense into blocks like Iron Ingots. If you have more than you use and it's becoming a space problem, make Red Alloy Ingots (4:1) with Copper. There are a lot of items that use Redstone. Not much you can do to stack it more efficiently.