Heavy metal contaminated leafy greens: the purple you don't want

[BeccaBuds]

A fascinating article about the effects of contamination and the tech being used to study the issue.

Purple Leafy Greens, oh my!!

 

[Phytoplankton]

Unlikely to be an issue in indoor grows, with commercial or even home made soils, but I guess it could be outdoors, particularly if you live on an old contaminated site.