104-011 Power Sand Special S 2liter
104-012 Power Sand Special M 6liter
104-013 Power Sand Special L 18liter

Power Sand Special is the substrate material with more minerals and nutrients. This is appropriate for Echinodorus or Cryptocoryne absorbing nutrients from its roots. It works with bacteria inside the substrate, and offer charcoal powder to the bacteria as a food, and creates living substrate.