View Single Post
Unread 11/12/2013, 09:43 PM   #87
bertoni
RC Mod
 
Join Date: Mar 2002
Location: Mountain View, CA, USA
Posts: 88,616
My guess for the first image would be a bacterial bloom of some sort.

I can't tell much from the second picture, but that's a likely place for hair algae to grow, IME.


__________________
Jonathan Bertoni
bertoni is offline   Reply With Quote