Copper Sulfate by NutriHydro is a micronutrient/trace element used in hydroponics and potted plants. This product is completely water-soluble. A little copper sulfate goes a long way.
 
Can also be used used in an area of copper-deficient soil, copper sulfate enriches the soil and provides an essential nutrient to growing plants. ... Wilting, lack of flowers, and reduced fruit harvest are all likely effects of copper-deficient soil. Applying copper sulfate prevents these problems.
 
For constant feeding and hydroponic systems, the range in common nutrients solutions is 0.01-0.1 ppm copper. To make a concentrated liquid stock solution. Add 0.15 grams to one liter final volume water. Then use this stock solution at 1 mL-10mL per gallon of working strength solution.
 
How to use in gardens and soil: 20 g of copper sulfate must be mixed in 1 liter of water, placed in the sprayer and proceed to apply the mixture to the plants. You must prepare the amount needed for its use, i.e. it is not recommended to store it for more than a day because the compound will lose its healing properties.
 
This product is not toxic to plants but it is for the people and pets of the house, so it should be applied on the plants respecting the dose suitable for the preparation and avoid contact with animals and children.
 
Do not touch with bare hands.