I have an RO/DI question or maybe two.

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ntime60

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After reading numerous posts on a few forums, I realize this is somewhat of a testy topic.

I know many people have their favorite ro/di system. But as a relative newcomer I am a bit confused as to why there are so many opinions on it. I'm sort of a on/off type, a thing either works or it doesn't. So with that in mind here is the question.

Does it really matter what ro/di system you use in a practical sense? I mean as long as you get to 0 or 1 TDS that is really all that matters, right?

I currently looking at MAXCAP RO/DI SYSTEM because all that I've read tells me this is the best bang for the buck and that is before I even know what my water pressure is. But my problem is I've read so many posts of people running MaxWater, Water General, AquaFX, SpectraPure, BRS and the list goes on. This is what has led to my confusion.

Years ago when I ran a reef tank we didn't have ro/di and I was on well water and everything seemed good. Now I live in a city with poor water 350-400tds and they use chloramine most of the time and I won't even get into all the other bad stuff that's in our water.

So for you vets, does the ro/di brand really make a difference? I can say I'm not hoofing 20gallons of water from Kroger or wallyworld every couple weeks. So would a unit that cost 1/3 to 1/2 of the cost of the above unit perform good enough?
 
The Spectrapure MaxCap is unquestionably the best RO/DI system available today. Here are some write ups of how they differ from other systems on the market:

Whats so different about the MaxCap RO/DI System?? - Reef Central Online Community

Ro Rejection Differences... Why The Different Ratings For The "same" Membrane???... - Reef Central Online Community


Cost Justification for SpectraPure Membranes vs Others - Reef Central Online Community

Maximizing Performance and Minimizing - Reef Central Online Community

Why different DI cartridges? When to change and how to use. - Reef Central Online Community

What is ZERO TDS? Is it real?? - Reef Central Online Community

"Why should I switch vendors and go with SpectraPure?" - Reef Central Online Community

FAQ FOR REVERSE OSMOSIS

http://www.spectrapure.com/manuals/MAXCAP_RODI_MANUAL_REV_1_PF.pdf


I guess to sum it up, the major differences are a specially treated then 100% individually hand tested and guaranteed in writing to be better than 98% rejection RO membrane, 0.5 micron absolute rated sediment filter to protect the 0.5 micron near absolute rated 20,000 gallon carbon block, specially blended DI resins freshly blended in house based on thousands of hours of real world beta testing as well as research and development in house and all backed by a company in the RO business in Tempe AZ in a brick and mortar store since 1985. They don't come any better and they have had my business for almost 10 years now. Having owned 6 different RO/DI systems in the past 15-20 years and keeping log books on all of them I have documented the differences and it all adds up to a huge cost savings for you and better true 18.2 megaohm water.
 
Well I have the Spectrapure RO/DI-90 so I hope that is good enough.


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Any Spectrapure system is a step up from most others due to their treated and tested high rejection rate 90 GPD RO membranes, absolute rated low micron sediment filters which protect the low micron carbon blocks, custom blended DI resins which last as much as 3-5X longer than others, capillary tube flow restrictors and more. There really is a difference.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

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