Dutch aquarium (Dutch style)
Style of aquascaping that emphasizes arranging plants in orderly groups, like an underwater flower garden.
Detailed explanation
The Dutch style emphasizes plants arranged in dense groups organized by height, colour and texture. It doesn't use rocks or wood.
The fundamental rule is Leiden street: a diagonal line that creates perspective. Requires bright light, CO2 at 30 ppm, thorough fertilisation and frequent pruning.
Classic species include Rotala, Ludwigia, Alternanthera reineckii, Pogostemon, Limnophila, Hygrophila.
It's a high maintenance style: biweekly pruning, daily fertilisation, constant monitoring.