Started getting these all over glass. Any ideas?
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Yup!^^^Those appear to be hydroids. #reefsquad
May I? I know this one. Harmless. Excess nutrients. They will starve themselves out.
Well done @Katrina71. *high five*May I? I know this one. Harmless. Excess nutrients. They will starve themselves out.
Thank you ma'am!Well done @Katrina71. *high five*