The worm bin is not a static environment, so some worm bin problems are inevitable.
Even the smallest food item may tilt the pH one way or the other and that puts the whole bin out of balance.
It all comes down to carefully monitoring your bin. The smaller it is, the more observant you have to be (as the worms don't have much room to escape if the bin goes into overload).
Below are some of the common problems encountered in worm bins and the solutions to correct them.
|Odor||Excess moisture||Avoid adding a lot of moist foods at once or mix with a dry bulking material(i.e.,dry paper shreds)||Adding wrong food||No meat, dairy, citrus||Overfeeding||Feed worms less|
|Dead worms or mass exodus||Temp extremes||Keep bin shaded in summer/protected in winter||Lack of oxygen||Add more air holes in plastic tubs; more carbonaceous material in bin||Too much casting material||Harvest bin on regular basis; no longer than 6 months||Dry bin||Moisten bedding||Bin too acidic||Retrieve as many worms as possible and start bin fresh. Be sure to layer in oyster shell or egg shell flour to balance pH|
|Fruit flies||Generally appear with addition of fresh sugary fruit||Remove and add dry leaves/shredded paper mix. Rinse all fruit rinds before adding or freeze fruit waste||Exposed food||Cover all feedstock with layer of damp leaves or bedding material||Excess moisture||Add more bedding(4-6" at least)|
|Ants||Worm bin too dry||Moisten bed|
|Potworms||Indicates bin is slightly acidic||Add lime (i.e.wood ash)or oyster shell or egg shell flour|
|Mites||Too much bread products||Feed breads sparingly|
|Escaping worms||Any of the previous problems||Remedies to previous problems||After a rain||A gentle brush back into the bin should be sufficient; otherwise, keep lid open and expose the bed to a light source|
If you have any questions or another problem not mentioned here, please
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