Fluorite and Gravel Question
I'm thinking of restarting up a tank as a planted tank and have a few questions about the substrate. Right now I have about a half inch layer of regular gravel which is the mixed light brown and dark brown colors in a 72 gallon. I also have some black gravel of the same size in another tank that I could use if needed.
I was planning to add fluorite and was wondering the best way to do this.
My original plan was to get 2 bags of fluorite and 1 bag of regular gravel and put a layer of fluorite on the bottom with the gravel on top. Would this be good for growing carpeting plants on?
Other ideas were to just mix the fluorite with the gravel so that it's evenly distributed in the substrate, maybe using the black gravel to make the color look better.
Another option is to put the gravel as the bottom layer and the fluorite on top. The cheaper gravel would help to create the substrate depth and the front to back slope and having the fluorite on the top would be better for growing carpeting plants on?
Also, would I need laterite for this combination?