[white-worms]

With your stocking list, I wouldn't raise the ph...

I would be tempted to not raise it either, but if he goes any lower than PH 6.0, he might be risking a PH crash. I'm really suprised that the driftwood is taking your PH down so fast to such a low level. You sure you don't have a really mature "filter" that taking it down so fast instead.