paul8811 AC Members Feb 7, 2005 16 0 0 54 Feb 18, 2005 #1 what is the best way to determine if some of my local rocks from streams and rivers,etc are safe for my tanks???
what is the best way to determine if some of my local rocks from streams and rivers,etc are safe for my tanks???
Dangerdoll Global Moderator Aug 27, 2002 11,765 5 89 57 Roselle Park, NJ aquariacentral.com Real Name Cori Feb 18, 2005 #2 drip a little vinegar on it, if it does nothing, chance are it's good for your tank.... if it sizzles, it's not.
drip a little vinegar on it, if it does nothing, chance are it's good for your tank.... if it sizzles, it's not.
