W WHARTON New Member Joined Sep 22, 2009 Messages 1 Reaction score 0 Sep 22, 2009 #1 I have a nice collection of large shells from the caribbean. Is it safe to put them in my tropical fish tank? It is fresh water not marine.
I have a nice collection of large shells from the caribbean. Is it safe to put them in my tropical fish tank? It is fresh water not marine.
fatheadminnow Fish Aficionado Joined Jan 14, 2009 Messages 4,815 Reaction score 14 Location US Sep 23, 2009 #2 It will most likely raise your pH level. -FHM
Ben M Formerly pest control Joined Jul 22, 2009 Messages 1,830 Reaction score 0 Location East Yorkshire Sep 23, 2009 #3 with hard water fish it's fine but not for eg tetras.
R reflexhunter New Member Joined Jul 26, 2009 Messages 54 Reaction score 0 Sep 24, 2009 #4 How many shells? What type of fish are in your tank?