best chemicals to treat arsenic and iron contaminated soil
Before testing this, I didn’t realize how tricky it is to find a chemical that really tackles arsenic and iron in soil. I tried several products, but most either didn’t dissolve well or left residues that could cause future problems. Then I came across the Ferrous Sulfate Heptahydrate FeSO4*7H2O 20% Iron 1 lb, and it … Read more