Transparent tank funk? : Newts and Salamanders Portal

My axolotls look fine so I guess this isn't really a "sick" axolotl post (I hope), but when I vacuumed this morning, there were a few lumps of viscous funk. I saw one floating around the bottom of the tank, and at a glance, it looked like the kind of bacteria cloud that might form around a bit

Caudata tanks., Page 2

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Question: - Tank set up : Newts and Salamanders Portal

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Please post pictures of your tank!!, Page 45

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Please post pictures of your tank!!, Page 45