White growth and then dried up crusty worm bin

White growth then dried up

The bottom bin of my worm bin dried up and turned white on top and dry brown crusty underneath and was spreading to the top bin. It starts with a white film and then spreads. Had to discard it.

What do you think caused it?

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Apr 11, 2021
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Worm Bin with white growth
by: Pauly

Hello Anonymous,

This is what happens when a worm bin is not continually moist. This will cause the bottom to dry out or anywhere to dry out.

The white film is usually white mold. It can be controlled by stirring the bedding a little and covering it with some wet newsprint, paperback, or cardboard, or anything can work as a moisture blanket.

Do not add too much kitchen scraps. This can cause hot and anaerobic condition.

Keep your carbon to nitrogen ratio at 20:1 or around there.

Remember, the bedding is food too. Bedding like shredded carbon, i.e. shredded newsprint, brown carboard pieces and shredes, dead fall leaves, etc.

Only add enough kitchen scraps to where the worms can keep up with. if you have 1 pound of worms, add two handfuls of kitchen scraps under 2 inches of bedding in a couple of areas of the worm bin.

When you see the craps gone or nearly gone, add more.

This should help with controlling any fungus or mold issue because the worms will enjoying eating everything in the bin and going everywhere in the bin as well.

Hope this gives some perspective anonymous.

I explain quite a bit in my free online guide and in the Worm Farming Revolution book.

Thanks,
~Pauly

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