Just curious,...is there a label that tells exactly what its made of? I use eco earth fiber substrate, not husk kind. Mine are fine with it. I am still looking for live moss but want to find out which kinds are safe. I do see your point about price. My eco bricks came 2 to a package for $7. I think they sell it in a large bag but it might be the type that is way too chunky and hard for frogs feet. But, I'd check the label on what you found. I wonder if Lowe's sells anything similar to what you bought?