I used to add some stuff called red cap don't know if anybody remembers this stuff or maybe its still about under a different name?? had a bubblegum type smell to it,came in a white bottle with you guessed it a red cap !! this was years back about 18 years when i was fishing winter matches in the boat yards, i found this on the maggots increased my bags no end...i would like to believe so anyway....interested read Darren..