RO or City of Edmonton Water?

[mark]

When I first started was using tapwater and found the issue was more cyano with a little hair algae. After about a year switched to bottled ro/di and there was a definite and continued improvement. Now how much was due the new tank, new hobbyist?

Nothing wrong with trying the City's and if having problems switching to RO.

Seems from the post your talking bottleb City or bottled RO, or are you considering your own ro unit? If you talking a smaller tank bottles are doable but if a larger tank if you can make your water on site, of course way more convenient.