For everyone who's helped with advice for me in the past, just a quick update re Ottawa (canada) tapwater pH according to the city management:
raised to 8.4 via caustic soda to reduce lead leaching into the water due to lead pipes.
My question is: is 8.4 reasonable for keeping acid-pool type fish (corys, tetras, danios, BN, rasboras)? The LFS
keep the tetras at 6...