Sanco Crystal Plex Algae ControlIdentifying the growth in your pond is the first step to controlling it. Not all growth is necessarily bad. Some types of pond algae, such as chara, act as filters that keep your pond water clear and clean. In order to control and kill algae, ponds should be treated with apond algaecide several times a season. Our products give you a safe, cost effective way to maintain algae growth before it takes over your pond. For more information view our