Cotton turning black?
Posted: Fri Oct 13, 2017 1:58 pm
The cotton in my test tube is starting to go black or dark. Is this mold? It's just a queen with eggs right now so I don't know how I'd relocate her.
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What about when it turns purple?Batspiderfish wrote: ↑Fri Oct 13, 2017 2:07 pmThere are some microorganisms which will take residence in the non-sterile test tube environment. The cotton turning black is nothing to be concerned about.