In , Rich Conley
empowered us with this mighty blow against the Patriarchy:

Is there any way for me to lower my PH...currently around 7.6 without
making my water more yellowish browny collored with tannins? I have some
driftwood in this tank..and that helps...but I want to be sub 7.....any
ideas?

Seeing as this is the rec.aquaria.freshwater.plants newsgroup ...

Inject CO2.