STELLAR Posted April 25, 2018 Report Share Posted April 25, 2018 This is some fresh substrate I mixed using rotten Oak and some dirt from yard. That was a week ago. I checked on it this week and found this stuff growing on it. Could you guys tell me what this and if it is harmful to my beetle? Additionally I noticed small amounts of mold growing too. If this is dangerous let me know. https://imgur.com/a/nRkKUHI Quote Link to comment Share on other sites More sharing options...
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