Copper Sulfate Powder 250grams per pack

Copper Sulfate Powderused as tissue culture medium protectant against contaminants such as foreign microorganisms and dust mites.Procedure:Dissolve 250 grams of CuSO4 in 1 liter tap water. add 10ml dishwashing liquid.Application:cut 1 inch size of kitchen tissue paper and roll it around in between the cap and the bottle. use rubber band to hold.apply saturated copper sulfate gently using plastic brush in tissue paper. set aside until it dry (1min)