How much bedding for guinea pigs?

Pickle Porcupine

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Mar 31, 2021
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Hi! So I have 3 guinea pigs, in a home-made 6-10 feet enclosure (not sure how big it is precisely though) and we started making half of it aspen bedding

Because.. well I don't really know but it looks cute, cuz I wanted to make it themed, so I have wooden logs by the aspen and a pink bridge and some hidey-holes by the fleece.

So, the question of the day is, how much bedding? like 3 inches? i'm saying how tall. any suggestions?