Look at it this way, you'll find lots of debate regarding whether tap water is acceptable or not but you'll have a hard time finding the same on RO. It's typically fair to say RO won't cause you issues and it's better than tap water, tap water can work though.
On another note advice from some LFSs can be misleading, remember these are businesses and more often than not their goal is to make you a customer. Therefore many will at first steer you away from many of these so called options is hopes of preventing you from getting overwhelmed, essentially keeping things as simple as possible. It's not necessarily bad advice, just sometimes misleading.
RO units are also typically inexpensive, aquasafe units are pretty common in the hobby and a full five stage system with RO and DI can be purchased from their ebay store for around $125 shipped.
Last edited by sphelps; 11-07-2011 at 04:33 PM.
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