Thanks AaronT. My tank's bottom is 18" x 72" and the height is 24".
Originally Posted by AaronT
What size is the bottom of the tank? You can't really go by gallons because some tanks are taller, etc...
For my 50 gallon breeder w/ a 36" x 18" bottom I used 1 bag of topsoil mineralized and sifted, 1 lb. of clay and just enough potash and dolomite to sprinkle the bottom, but still see through the glass.