Feb 6, 2011 #21 C clancaster23 Reefing newb Yeah, that's what I keep getting. My freshwater reads 0 like it shows on teh card but saltwater keeps giving me the little darker color. Maybe I'll take some to the LFS and see what they say.
Yeah, that's what I keep getting. My freshwater reads 0 like it shows on teh card but saltwater keeps giving me the little darker color. Maybe I'll take some to the LFS and see what they say.
