2min chapter

Cannabis Cultivation and Science Podcast cover image

Episode 74: Targeted Nutrition Using Chemical Nutrients in Cannabis with Dr. Cari Peters

Cannabis Cultivation and Science Podcast

CHAPTER

The Most Common Sources of Contamination

Heavy metals are found in soil, nutrient solution and water. People can limit their exposure to these by using mineral salt or mixing with own water. Gypsum is a good source of calcium for roots but has cadmium and lead as carriers.

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