Stock Plex is designed to keep your livestock watering tanks free of algae and weeds. Stock Plex can be used to prevent algae or to clean existingalgae. Stock Plex is a copper sulfatebased blend safe for many animals like cattle, horses,and dogs.

• 1/4 ounce treats 250 gallons of water
• Active ingredient copper sulfate
• Do not use in sheep watering tanks
• Available in quarts