Aquael Quartz Sand 10kg Aquael Quartz Sand is a natural and versatile substrate perfect for creating a beautiful and healthy freshwater aquarium.This fine-grained sand provides a comfortable environment for bottom-dwelling fish and encourages the growth of beneficial bacteria.Its neutral color complements any aquascape and allows your fish and plants to shine. Features: Natural quartz sand: Safe and inert, will not alter water parameters Fine grain size (0.1-0.3mm): Ideal for bottom-dwelling fish and planted tanks Neutral color: Complements any aquarium design Promotes healthy bacteria growth: Supports biological filtration Versatile: Suitable for a wide variety of freshwater aquariums