Gravel

[markandhisfish]

roughly how many kilos of gravel would i need for a 2 inch depth in a 4ft by 2 ft tank?

 

[aaronnorth]

lenght x width x depth (of substrate) / 1000 = litres of substrate needed.

36l of substrate needed for your tank

i would say 30Kg to be safe.

 

[markandhisfish]

ok thanks