Natural soil substrate made of fine sand jbl terrasand

For desert s: natural substrate of sol fine red sand. Grain size: 0.1 to 0.2 mm. Fine sand, virtually dust-free. Moulds well when wet to form caves or autres and retains its shape after drying. The fine-grain structure favors the natural behavior of many bottom-diggers. The rounded shape of the grains prevents any abrasive effect on animal skin. Included in: sol substrate in bag