Just set up a 40cm tank to give this go.

Added some gravel/laterite I had left over on the bottom and then a layer of ADA Amazonia.

Lighting consists of 2x24w Household compacts rated at 5000k each. Each light is equivalent to 100watts.

Some of the HC was in bad condition. It's only been 3 days but I can see some improvement already.

Will keep everyone posted.