Possible Clues:

• Farm cleaner with novel disinfectants primarily introduced to tube from below
• Drugs found on old politician in boat - one would expect beastly type to get clean after being submerged in this
• Disinfectant used by farmers
• Inferior liquor perhaps you audibly sink
• Spooner's secret vessel that contains disinfectant for Cambridge, say
• Liquid in which ruminants are dipped to kill parasites
• In a beastly sense, Galway dive - perfect for one with a dirty fleece that needs a wash
• Insecticide you use with ewes
• Drop-in centre for woolly-headed types to get clean
• Preparation for cleaning animal shipped out across East