These bricks are a wonderful way to use the right amount of soil, without the lugging around of heavy soil bags. Also there is less waste or spillage of soil. Will keep buying them forever! Thank you Gardeners Edge!
This soil does expand more than I thought it would; it's very lightweight and I put it in my seedstarting kit that I bought from Gardener's Edge; seeds sprouted earlier than I expected! It didn't expand to the amount that it says it will but wasn't too far off.