Clue: Birdbath buildup

Answer: ALGAE

Length: 5

---

Similar Clues:

• Waxy buildup sites (EARS with 4 letters)
• Chimney buildup (SOOT with 4 letters)
• Trap buildup (LINT with 4 letters)
• __ bloom: pond buildup (ALGAL with 5 letters)
• Behind-the-toilet buildup (GRIME with 5 letters)
• Birdbath grunge (ALGAE with 5 letters)
• Chatty teenager's skin buildup? (TELEPHONECALLUS with 15 letters)
• Bathtub buildup (SCUM with 4 letters)
• It may begin with a buildup (JOKE with 4 letters)
• Disgusting buildup (CRUD with 4 letters)