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Get it between 2025-08-26 to 2025-09-02. Additional 3 business days for provincial shipping.
Controls many types of algae such as filamentous, chara, planktonic and swimmers itch for a beautiful and safe pond all year long
When used as directed, Crystal Plex is 100 percent safe for humans, fish, livestock, pets, birds, swimming and irrigation
Not for use in Koi, Goldfish, or Trout ponds
Treat only a third to half of your pond at a time
One gallon treats 1 surface acre 1-3 ft deep
Identifying 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. Crystal Plex is a liquid copper sulfate solution designed to kill and control algae and some aquatic plants including Hydrilla. Pond algae treatments should be done on actively growing algae and when water temperatures are at least 50F.