Deep Sea Aquarium quartz sand light grey,1-2mm

Aquarium quartz sand
The aquarium quartz sand from Deep Sea is available in various grain sizes and colours. With the sand you can design your aquarium great. But wash the sand thoroughly with lukewarm water a few times before use to prevent dirt and dust in the aquarium.
How much gravel/sand do I need for my aquarium?
Calculation formula: (length(cm) x width (cm) x gravel height (cm) x 1.6): 1000 = kg gravel/sand
Example:
For an aquarium 100x50x50cm and gravel height 8cm calculate: (100 x 50 x 8 x 1.6) :1000= 64kg.