ower 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.
Power Sand S – 2L – 40cm or below
Power Sand M – 2L – 40cm to 60cm
Power Sand L – 2L – over 60cm