Algae in your water garden is a problem that no on like to face. It is an ongoing problem that can be controlled by the weather, the water and the plants in the water garden. When discussing controlling algae in the water garden one usually thinks about balancing the ecosystem in the water garden.
When you have a lot of fish in your water garden you are going to need more plants to fight the algae, to balance your environment in the water garden. Some of the plants that best fight algae in the water garden include Cabomba, Hornwort and Eleocharis. So what you need to remember most is the more fish you have, the more plants you are going to need in the water. more of this water garden article here