I have roughly 200 Black neons, 30 bentosi tetras, 30 black phantom tetras, 3 festivum, 9 p, scalare, 11 bolivian rams, 4 apistogramma trifasciata 4 whiptal catfish and a group of ancistrus.The tank is 7x2x2.
Leaves I have used without issue are, magnolia, beech, oak, hawthorn, birch, maple, apple, banana, bamboo and palm fronds.