Vitax Copper Mixture 175g is a plant supplement that provides essential copper, manganese, and zinc to your crops. It's designed to correct nutrient deficiencies in a wide range of edible plants like beets, onions, potatoes, and fruit trees. This mixture is applied as a foliar spray and is often used as an alternative to Bordeaux Mixture for improving plant health and vigor. One 175g packet makes 9 litres of spray.