Related Clues:

• Pond plants
• Floating waste matter
• Pond slime
• Grimy residue
• Pool nuisance
• Looking back, high-flyer drops sweetheart note with key concerns for pond
• Bane of pool owners
• Offscourings
• Tank buildup
• Food for tadpoles
• Swimming pool woe
• Pond flora
• Sea growth
• Bathwater residue
• Tiny pond organisms