I haven't tried them yet (water-holding polymer "crystals"), but I've been intending to.
My heavy clay soil holds plenty of water, but I like the idea that these polymer beads expand and contract as they soak and dry out. If that means that they create small voids in the clay, I'm interested.
Like little tiny broadforks that open up the soil from the inside.
Or room temperature frost heaves.
Has anyone seen this happening?
