Related Clues:
- Despicable people, a hundred in total
- Kelp beds, essentially
- Son with top to be taken off
- Biodiesel source
- Pond scum, e.g
- Soap residue
- Film, presumably, is On Golden Pond?
- Seaweeds etc
- Pond cover, sometimes
- Pool slime
- Pond buildup, e.g
- Rubbish in a tip is cumulative
- Despicable persons - 100 in total
- Many in total filth
- Film's gross - round about