~SUSTAINABLE LIVING FOR CHALLENGING TIMES

[sumisu]

Question: Where does it go once they absorb it?

"They take in heavy metals like lead and cadmium and crystallize these ions in their guts. The heavy metal toxins are then made into spherical deposits in the mid gut. With this special cleanup property, pill bugs survive where most creatures can't, in the most contaminated sites."

"Crystallization is a technique that has long been used in the purification of substances."

When the rollie pollie expels these crystallized deposits, they have been neutralized or cleaned up; they are no longer a danger to soil.

sumisu

PS: Thanks for asking; I had to resort to my high school chemistry to explain the answer to your question.