Possible Clues:

• It's used for the sake of consistency
• Having less fat
• Diluting solvent
• Hostel in that place lacking fare, ultimately -- could it make you this?
• Most of the secret is in what one adds to paint
• Not so thick
• Pub submerged in the river could be more watery
• More lean; paint additive
• Paint solvent
• Bar coated with the right solvent