Have removed my substrate and will keep my goldfish tank bare bottomed from now on. most people pot their plants in this kind of setup, but I don't really want to because I don't like the look of the pots. My plants are just weighted down or tied to driftwood. I don't know how much, if at all, some of my root feeders may suffer from having no substrate around their roots. Anyone else try this? Will they all be fine with no substrate?