Possible Clues:

• Chef's watch on hen production? [3,3,5]
• Might one get grime off, leaving a grainy deposit?
• Countdown starts after it's turned up
• It helps to prevent one from being hard-boiled
• Boggle accessory
• Get grime shifted by this kitchen utensil
• Breakfasters need this to get grime removed
• Hourglass
• I get germ shifted - - it involves use of sand
• Accessory for many a game