BrewerGeorge
Well-Known Member
Just had an odd thought while thinking about my peppermint-lavender-cedar question. How do you all account drops as volume with EO's?
It occurred to me that I'd automatically been using the old rule of thumb from school that 10 drops = 1ml, but is that valid? That RoT is based on water or at least on aqueous substances with particular physical characteristics. But EO are oils with different viscosity, surface tension and density than water.
Does everyone just ignore these differences as noise, or what?
It occurred to me that I'd automatically been using the old rule of thumb from school that 10 drops = 1ml, but is that valid? That RoT is based on water or at least on aqueous substances with particular physical characteristics. But EO are oils with different viscosity, surface tension and density than water.
Does everyone just ignore these differences as noise, or what?