Your other hand must keep the cylinder to prevent it from slipping. The tip of your eyedropper must be resting from the inner floor from the cylinder and slightly below the surface area of the solvent layer. I do know this might sound tacky but i teared up as i https://buy-copyright-near-me13800.onesmablog.com/helping-the-others-realize-the-advantages-of-buy-5-meo-copyright-usa-77108973