Too much food for the quantity of worms
Food is not covered
Not enough oxygen
|Take any moldy food away and cover with fresh shredded newspaper. Do not feed for a few days giving the worms time to finish the food that's in the bin.|
|Worms are dying||Bin too acidic||Take out any citrus and add powdered limestone. Make sure it says CaCO3–95%. Caustic, slaked and hydrated lime will kill your worms. Egg shells or oyster shells also help in keeping the bin from becoming too acidic.|
|Worms are trying to leave the bin||
Too dry or
Add moisture if bedding is too dry
Add shredded dry newspaper
Fruit flies are attracted to exposed food
||Always bury food underneath shredded newspaper.|
Ants are part of the composting process but are a nuisance in a worm bin. Bins with legs: place legs in coffee cans filled with water or mineral oil. Bins without legs: Run a 1" swath of Vaseline all around the top of the bin.
Do not use ant baits that contain arsenic.