Our Mixasoil Ultra Super Soil Double Kit is a high-quality soil mix concentrate. There is enough concentrate to make 20 gallons of Super Soil medium.


  • Live, organic concentrate
  • Includes essential amendments and trace elements
  • Easy to mix
  • Satisfaction guaranteed!

You will need 10 gallons of sphagnum Moss, 8 to 10 gallons of perlite, 6 pounds of worm castings, and 1 Mixasoil Kit. Mix well and moisten, then stir occasionally. Store for 4 to 6 weeks, and then your ready for use. Use plants that are at least 3 weeks old in new mixture.


  • Enough to make 20 gallons of Super Soil.
  • Mixture is ready after 4 to 6 weeks of aging.
  • Worm castings contain highly potent, organic nutrients that are perfect for plant growth.