How do I fix white fluffy mould in a worm farm?

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Question by L.J.: How do I fix white fluffy mould in a worm farm?
I’m worm farm sitting and was just told to put some food scraps in the top. I know what kinds of scraps. After a week and a half of not adding anything, today I noticed fluffy white mold growing in half the top layer – it looks a bit like fairy floss/cotton candy.

Anyone know what’s causing it and how to fix it?

What do you think? Answer below!