Or just use a calculator like this one............. 
http://www.plantedtank.net/substratecalculator.html
Easy and pretty accurate. Just match the substrate style (size) with one thats in their calc. There are many calculators out there. Why not use them?
A few more after about 3 seconds of googling.
http://boonedocks.net/fishtank/ftweb.php
http://fish.bakerweb.biz/calculators.html
__________________
For in much wisdom [is] much grief: and he that increaseth knowledge increaseth sorrow.
Member of the AGA (Aquatic Gardner's Association)
Member of the IBC (International Betta Congress)
Last edited by Damon; 10-06-2007 at 01:26 PM.
|