No Place to Run... Lots of Places to Hide

As a preventative measure, I've intoduced a little more ground cover for the remaining Cory to hide under. The neons have also taken a liking to it. I got it at Petsmart (manufactured by Imagine), and it's basically a plate with very short lilly, leafy things (they call it lake ivy) that spring up and give good cover to my more vulnerable friends. I was very tempted to get more than one. Between that and the cave that uses a plant to block off the bigger holes, I'm hoping to reduce the stress, and subsequently, future diseases that the less aggressive fish would be subject to.

Further improvements to the smaller aquarium include cutting open the filter pad (I'm sick of buying new ones, and all the forums say you can reuse them for a long time after rinsing them out) and throwing additional activated carbon I bought into all the vacant compartments of the filter system. I'm hoping this will knock down the sort of sour smell it has, after reading that carbon helps control smells.