Just thought I'd share my bad news, I lost one of the female guppies (different from the one I was complaining about before) it had blood marks across it's body and the Neon one did lost it's tale and had a white mark at the tip of the tale. I feel bad for the Neon one, should I take them both back to the store? I checked the PH of the water and it was between 6.8 and 7.0.