Algae has long been the bane of the lives of aquascapers – seen as a nemesis of the planted tank, a defect of perfection and an undesirable, so the title of this article may seem surprising. Nevertheless, when we are creating a Nature Aquarium we must remember that we are trying to re-create Nature, and as such, a subtle change in attitude must be adopted: rather than focussing on crystal clear water and medicated fish,…