This may well happen for the reason that some oils might have been in storage for long durations below conditions that market its instability. This can account for lower concentrations in the ultimate purchased product or service. Woodies also do a USB rechargeable pen which you may attach cartridges http://ondutycbd.blogsmine.com/1695955/how-cbd-capsules-clicks-can-save-you-time-stress-and-money