ReeFlowers Natural AquaSand is a clean and natural sand specifically produced for aquariums that does not release any constituents into the water, does not cause any change in gH, kH and pH values, and does not contain any heavy metal or toxic substances. Cleaned and sterilized using ultra-filtration techniques and Activated Carbon, no chemical treatments used and does not contain any synthetic components. The sand particles are smooth with no sharp angles or jagged edges, and help to create the optimum environment for nitrifying and denitrifying bacteria. Perfect for all of soft water aquariums and gentle enough for the most sensitive fish including Discus!
Particle Sizes: 0.5 - 1 mm