Weird stuff from mushrooms

[tuajia]

Hi guys, just acquired some hairy mushrooms (not sure what kind) and noticed that some white stuff seems to ooze out from the mushrooms when they close up after lights out. Is this normal? It looks like white intestines or something.... I don't see it in the day, not sure if because it's being covered up when the mushroom inflates. Attached a pic below, it's the centre piece with green spots. You can see a mass of white stuff around its core. Should I be worried? Appreciate the advice!

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[daveyy]

Few day should bounce back. Mine also like that in the initial days.

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