I have a 46 Gallon setup with 1-2cm of gravel in it, and some live plants.
The live plants are a large anubius in a pot, and some Java fern.
The less gravel that you have, the more room you have for the fish.
TZ


"Marcus Fox" wrote:
Approximately what depth of gravel would I need to grow live plants in my
aquarium? I would like it medium planted, and I already have some pea
gravel
in the tank.

Marcus