No affiliation in any way, I am a certified water and wastewater treatment plant manager and operator by profession with 37+ years in the industry though. I have personally owned 7 or 8 RO and RO/DI systems over the last 20 years with 3 of the most recent 4 being Spectrapure systems. I can say from both personal experience and from my training and background there is no comparison to others and have several logbooks of data to back it up. Since water is my business I am quite picky about what I buy and what I recommend.
I have never met Charles Gibbs but I do personally know Charles Mitsis the founder of Spectrapure and Bruce the President of the company, both used to support our old local reef club and do speaking engagements for them. Thye both have many articles on chloramines as does Randy Holmes Farley and none has recommended catalytic carbons in the past for chloramines in the normal 0.5 to 2 mg/L range found in drinking water which is a walk in the park for a good carbon block. I stand by my statements.
Thanks for the info AZ, and for your RODI input. It sounds like you are a passionate reefer and have the professional background to be a good resource to fellow reefers on RO/DI. Should my BRS unit give me problems I will certainly look to switching to spectrapure internal components at least. Currently I am happy to support the local Minneapolis company where I will be living shortly. I do not expect to run into a problem with the BRS unit based on the many reefers using BRS in the MN area, and on this site.
You are fortunate in that Minneapolis has very good water quality so even an ebay unit would suffice. Its when you get into challenging water situation that the research and development other vendors do really pays off. I used to own a Typhoon III which everyone raved about at the time. I could never get more than 150 gallons out of a DI cartridge no matter what I did. I even replaced the membrane and had Watts Premier bench test it for me and still 150 gallons before the TDS was at 2-3. I tried fresh resin from Resin Depot, AWI and many others and still the same.
I sold the unit and installed my first MaxCap. The very first DI went 830 measured gallons before it showed 1 TDS. The second and all subsequent cartridges have been over 1000 gallon since then. My MaxCap UHE is like 4 years old now, the membrane is the original still running at 99.43% efficiency, the tap TDS exceeds 560 to as high as 800, the RO only tDS runs between 2 and 3 using a handheld HM Digital COM-100 meter, and I have only replaced 1 MaxCap DI cartridge and 3 SilicaBuster DI cartridges in all that time. Thats with a 100G display/30G sump and a 16G nano.
As I keep pointing out, there really is a difference and my unit has already paid for itself in membrane and DI replacements as well as water and sewer savings.
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