Rose might be correct. If you don't see the blue/teal/green center, then it's probably not a rainbow:Here’s what it looks like with white light.
Rose might be correct. If you don't see the blue/teal/green center, then it's probably not a rainbow:
(Rainbow left, black widow right)
Some have problems. Mine don't. I run carbon regularly and don't let them overpopulate.Wow that’s awesome! Rainbow and black widow can touch each other???
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