16 December 2019
Why does the cannabis industry need to get better at measuring heavy metals
The cannabis plant is known to be a hyper-accumulator of heavy metals in the soil and growing medium, so it’s critical to monitor levels to ensure cannabis products are safe to use. Unfortunately, there are many inconsistencies with heavy metal limits due to the lack of clear and common regulations. Most define four heavy metals (Lead, Arsenic, Cadmium, Mercury) while others specify up to nine.