What kind of pump should be used in pails and drums? Written by Bioesque Solutions Team on October 26, 2020. Posted in BioASK A plastic pump should be used in pails and drums. Metal SHOULD NOT be used. Share this:Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)