ADA Africana which is now buffering to a PH of around 5.3. I actually didn't think it would get this low but I like it right where it is.
On a side note, I've noticed that the taiwan shrimp behave a little differently from my CRS. They seem to be more active and they LOVE hanging out on the sponge pre-filters along with the driftwood. Seems they have an extreme appetite for biofilm. With that said, you really need to have a mature tank to even think about taiwan bees. But I'll keep observing more to see whether this continues once they get a taste of the 10 different shrimp foods I constantly rotate in my regiment.