Yep, they can live looooooong time without any light.
That's one of the reasons why we call them pest!
Grandis.
I think the peppermints are getting a bad rep. I have tons of polyps and havnt had any issues. Even saw the peppermint eat leftover fish food. Also if u can't spend $5 to see if they will work for you. Then this might be the wrong hobby for u
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