I want laterite as my substrate for my soon to be planted 2.5 gal. The only thing is it says it is a first layer fertilizer and to use only an ounce per gallon. I like it a lot, would it be a problem to use 2.5 pounds of it to use as a substrate rather than a fert?
http://www.drsfostersmith.com/product/prod_display.cfm?c=3578+3746+4876&pcatid=4876
http://www.drsfostersmith.com/product/prod_display.cfm?c=3578+3746+4876&pcatid=4876