Your ph is nothing. Mine is 10+ out of the tap plus I have to deal with chloramines. My tapwater has so much ammonia I can cycle filters just by leaving them in the water aging tank. It's not much trouble once you figure out how to keep your parameters stable. I use Seachem discus buffer which is expensive but my ph stays at a rock stable 6.5. I would like to not have to use anything at all. Anyone raise discus in 10.5ph water?