Your worms will need feeding to keep them in tip-top condition. Cold, cooked mashed potato, broken into small pieces, will do nicely. You can even use Smash if you want! You'll be amazed how much they can eat.
What can you feed worms to keep alive?
Once they get settled in, they will require a good supply of suitable food. They like most vegetables and fruit scraps (except onions and citrus). As worms do not have teeth, scraps should be cut into small pieces.
How do you keep lob worms for fishing?
FISHING LOBWORMS STEPS
Keep lobworms refridgerated, around 4-5 deg C if possible. If you cannot put lobworms in a fridge the next best option would be to place them on a garage concrete floor, temperatures on garage floors are usually pretty low. Every few days check for water – add small amount if necessary.