fishtanktv.com-Had to soak the dirt to make the plants go down in it. I planted some plants BEFORE I added a bunch of black gravel over top. This tank I added 25 lbs of gravel on top of the 75 surface area. Less could be used but I wanted to keep down the mess. Jungle val can take abuse. It goes in first. I usually have more water and gravel when I add plants. but this gives the hardy ones better rooting. (jungle val will melt anyways so...