Jbl Sansibar Orange 5Kg Fine, Uncoloured Sandy Soil For Freshwater And Saltwater Aquariums And Aqua-Terrariums Vigorous Plant Growth: Prevents The Seeping In Of Sludge And Other Waste Material With Its Fine Granulation And Density Prevents Injuries Of The Mucous Membrane: Fine, Round-Shaped Natural Sand Is Gentle On Sensitive Barbels. Ideal For Grubbing Fish, Such As Armoured Catfish And Loaches Ideal For Fish, Invertebrates And Plants: No Release Of Unwanted Pollutants Into The Water. Contents: 1 Bag Sansibar Orange. Grain Size: 0.2 - 0.6 Mm. Not Fully Suitable For Undergravel Heating Cables