is around 8.4, which is weird. in the past year it has never strayed from 8.2.
i recently moved to a new part of town and have a feeling that the tap water is different. i don't plan on investing in an R/O unit. i've been thinking about buying distilled water from the grocery store though.
i have a hair algae problem going on right now.
i change water every 3 weeks.
corals i have include a brain coral, tree coral, polyp colony, and mushrooms, which are all doing excellent except the tree coral, which is doing OK (i think this is partly because i dropped the polyp colony rock on top of it 3 weeks ago (oopps). it's definitely not dying though, actually looks like it's splitting).
my tank is a 29.
i guess i'll leave the alk