Coloured Aquarium Fish Tank Gravel Stones Substrate - 1/2/5/10/20Kg - UK Brand
£39.99
As a very rough guide for every 1ft length of Aquarium approx 10Kg of sand or gravel is required. This will give approx depth of 1.5" or 40mm. Gravel size 3-10mm. How Much Gravel Do I Need?. Length x Width divided by 10.
