Certificate of analysis confirming purity included
100 ml bottle and glass dropper included
Instructions to make a 1% solution included
Description
High quality, ultra pure methylene blue powder in a convenient 100 ml (3.38 oz) glass dropper bottle that makes preparing a 1% solution quick and easy. Just fill the bottle to the shoulder with water to get a solution that contains 10 milligrams of methylene blue per milliliter or ~0.5 mg per drop (25 mg in half a teaspoon).