Miracle Mud
Terrible Name - Brilliant Product
As filtration we are using an Ecosystem 4822 Pro Sump
They come with 3 lights, 2 7 inch sock holders (and Socks) and 60 pounds of Miracle Mud
They are made from hand glued acrylic in the USA by Leng Sy.
First Picture shows a Miracle Mud 10 pound Jar, Second the Bed of Mud between 1 to 1.5 inches thick and the last picture shows a plastic bag laid over mud bed where the water enters this section of the sump (you put a plastic bag down so it does not stir up the mud - remember this step)
Miracle mud acts like a DSB (deep sand bed) without the potential issues of them. It also slowly releases minerals back into the aquarium.
The Ecosystem Method works through personal experience. We have used it on 5 tanks now.