Mineral soil. Contains clean fine lava dust and lava sand.
15 Ounce quantities are shipped First Class, 10 cup and 5 quart quantities are shipped Priority Mail, 3 and 6 gallon are shipped UPS.
This mineral soil is ideal for any Succulent or Cactus Mix requiring a fine particle size...Add 20 to 50 % of it it to 3/8- 1/4 inch pumice or granite, plus perlite or any organic component to make the perfect mix for your plants. Mineral soil will hold more moisture than larger size lava, but is a good substitute for peat in a potting mix. Contains no organic matter or peat moss. Not meant to be a planting mix by itself, unless you want a very wet mix.
Available in 15 Oz., 10 Cups, 5 Quarts, and 3 and 6 gallon volumes.