http://www.plantedtank.net/forums/wa...-regimes_.html
here for dosing
your story sounds just like mine i started out with 2 goldfish in a 10 gallon tank for my son then got a 30 it lasted about 3 months ...im still in the research stage but have my 75 gallon tank lighting and driftwood rock and other little odds and ends ...tanks looking great thanks for sharing