How critical is water type?

[CoolPhrog]

I used tap water for my cids for years - I would feed once a month and was able to keep everyone alive but no one ever bloomed....

I started reading some of the posts as a guest on this site - changed some of the thing I was doing but was still using water from my tap - now bear in mind, the tap water here is HORRIFIC at best - I could smell the chlorine when I turned on the faucet!!

I read a post by Ray one afternoon where he polled the members here about wheather or not he should include an extra part on the RO unit he offered on his site....having heard about these for years, I did some research on my own - bit the bullet and bought a large RO unit (50 gal per day - I bought a large one because I also have an 80 gal saltwater seahorse reef setup). The difference I've noticed in my cids has been AMAZING (not to mention the tank AND the taste of my coffee and iced tea... ! I use a pure water fertilizer as there aren't any minerals in pure water - I have new growth on everything - seriously - everything....There really is a difference!

There's my