I lost a spotted cory today. My major stats are:
Ammonia: 0
Nitrites: 0.25 ppm
Nitrates: 5 ppm
Okay, the nitrites shouldn't be that high, but I am more worried about what I found when I checked pH: 6.0. That is way too low, isn't it? I'm getting ready to go out of town, so right now I'd like...