M Mwhreefer Member Apr 3, 2016 #2 They are limpets, they are harmless unless you have the kind with the hole in the top center of the shell. (keyhole Limpets).
They are limpets, they are harmless unless you have the kind with the hole in the top center of the shell. (keyhole Limpets).
slgcmg New member Apr 3, 2016 #3 Thank you. Doesn't appear to have a hole at the top. Thank you. Never seen them in there before.
Ah64av8tor Premium Member Apr 3, 2016 #4 I love them, I used to have them in a previous system and they would even clean the glass just below the sand level.
I love them, I used to have them in a previous system and they would even clean the glass just below the sand level.
