"Add 2 cups wheat or rice bran (or grains such as rye, sunflower seed in the hull, or millet), and 1 teaspoon Calcium carbonate (crushed limestone - not Dolomite) to the straw and place the mixture into a cloth bag (pillow case) or wire basket."


Add rye or wbs? Dumb idea. Leave it out. Can leave out the lime as well. Would be much better off suplementing with poo or worm castings gypsum.