Power Sand is base substrate material designed for providing nutrients to the roots of aquatic plants and promoting growth of substrate bacteria. Porous volcanic stones secure the water circulation, and organic nutrients promote the growths of bacteria. Please select right size, S, M, L according to the depth of aquarium tank. Small is designed for tanks with a height of upto 40cm, Medium is 40-60cm and Large is for over 60cm deep.
The growth conditions of aquatic plants that actively absorbs nutrition from their roots such as Echinodorus and Cryptocoryne very a lot by how much nutrient is contained in the substrate.

 
 Power Sand is base substrate material designed for providing nutrients to the roots of aquatic plants and promoting growth of substrate bacteria. Porous volcanic stones secure the water circulation, and organic nutrients promote the growths of bacteria. Please select right size, S, M, L according to the depth of aquarium tank. Small is designed for tanks with a height of upto 40cm, Medium is 40-60cm and Large is for over 60cm deep.
The growth conditions of aquatic plants that actively absorbs nutrition from their roots such as Echinodorus and Cryptocoryne very a lot by how much nutrient is contained in the substrate.
The advantages of Power Sand that avoids the hardening of substrate and is formulated with increased nutrition.