How Much Gravel Do I Need

[keeton]

how much gravel would i need for a 30 gallon, 3ft long, 1ft deep? it would need to be around 2-2.5 inch deep
would be this gravel:

http/www.aquaessentials.co.uk/index.php?...roducts_id=1391

how many kg's?


cheers

 

[saltynay]

Ok so you know the average diameter is 4mm now you just need to work out how many of these balls of gravel will fill that area then times by the weight of average piece of gravel divided by 1000 will give you how many kg you need.