roni February 27, 2015 Share February 27, 2015 http://reefbuilders.com/2015/02/17/bulk-reef-supply-demonstrates-toxic-chloramine-water-filters/ ***synopsis****** Traditional carbon filters demonstrate very early failure in terms of getting rid of chloramines, often failing at 150 gallons of use. Their filter (BRS universal) reportedly doesn't) Caveat: I know this isn't a double blind study and they have obvious financial ties to the product. Also, without knowing if they put a sediment filter prior to the unit as well as the type of membrane they used, it's hard to know if other stages are taking out chloramines. I'm ordering a chloramine test kit to check but has anyone validated this on their own systems? Link to comment Share on other sites More sharing options...
dave w February 27, 2015 Share February 27, 2015 I'd be very interested in your results when you post them. Thanks for doing this testing. Link to comment Share on other sites More sharing options...
wangspeed February 27, 2015 Share February 27, 2015 They use DOW 75gpd membranes in their RODI setups. The sediment filter is a GE RO Saver on their nicer models. I've personally switched to this same filter setup, just with one BRS universal carbon stage instead of two. -- Warren Link to comment Share on other sites More sharing options...
ctenophore February 27, 2015 Share February 27, 2015 Do we know whether chloramines are used in area water supplies? Anyone know for wssc? Link to comment Share on other sites More sharing options...
PK3 February 27, 2015 Share February 27, 2015 I know chloramines are used in fairfax county water. Link to comment Share on other sites More sharing options...
roni February 27, 2015 Author Share February 27, 2015 They are also used in stafford per the city water report. Link to comment Share on other sites More sharing options...
roni February 27, 2015 Author Share February 27, 2015 They use DOW 75gpd membranes in their RODI setups. The sediment filter is a GE RO Saver on their nicer models. I've personally switched to this same filter setup, just with one BRS universal carbon stage instead of two. -- Warren Warren, Did you do any before and after testing after installing the new universal? I'm always leery of claims made by companies with a vested interest but this seems like an easy thing to verify. Are you using the universal after sediment but before another carbon block? I've got a 5 stage (sediment, 2 carbon, 2 di) on a 150 gpd unit (2 75 membranes) so thinking about replacing the first carbon block and then using the strips to monitor when to change the carbon blocks. Link to comment Share on other sites More sharing options...
monkiboy February 27, 2015 Share February 27, 2015 Do we know whether chloramines are used in area water supplies? Anyone know for wssc?I called a year or so ago and they confirmed they use chloramines. Link to comment Share on other sites More sharing options...
wangspeed February 28, 2015 Share February 28, 2015 Warren, Did you do any before and after testing after installing the new universal? I'm always leery of claims made by companies with a vested interest but this seems like an easy thing to verify. Are you using the universal after sediment but before another carbon block? I've got a 5 stage (sediment, 2 carbon, 2 di) on a 150 gpd unit (2 75 membranes) so thinking about replacing the first carbon block and then using the strips to monitor when to change the carbon blocks. I bought the best carbon block available from BRS weeks before they announced the new universal. Using the LaMotte test strips, I can see that I already have break through after not a whole lot of water. I bought the BRS universal after seeing this but I haven't swapped it yet since it is so cold outside. I usually do RODI filter swaps outside due to all the water. My RODI is setup in order: Small sediment filter Shurflo gold pump GE RO saver sediment filter Soon: BRS universal Dual DOW 75 gpd, for a total of 150 Refillable color changing BRS DI -- Warren Link to comment Share on other sites More sharing options...
wangspeed February 28, 2015 Share February 28, 2015 Prince William gets water from Fairfax at certain times of year, so we also get dosed with chloramines. -- Warren Link to comment Share on other sites More sharing options...
AlanM March 2, 2015 Share March 2, 2015 Their universal carbon blocks are out of stock anyway, so maybe it's all a moot point. Link to comment Share on other sites More sharing options...
KingOfAll_Tyrants November 18, 2016 Share November 18, 2016 Sorry to resurrect this thread, but I was curious about this issues so I did a search, found this, and decided to look in Arlington. Lo and behold...... https://water.arlingtonva.us/water/water-quality-treatment/ I think Arlington, DC, Falls Church, and parts of FFX co get their water from the same source, and I'd imagine all said jurisdictions use choloramine. Link to comment Share on other sites More sharing options...
madweazl November 18, 2016 Share November 18, 2016 (edited) Stafford County report from 2015. TDS is usually 0 but I have seen it go up to 3 on occasion. Edited November 18, 2016 by madweazl Link to comment Share on other sites More sharing options...
FirstContact November 19, 2016 Share November 19, 2016 I'm near Bowie in PG county. I look at the water reports about every other year. I called the county and they do not use chloramines. Link to comment Share on other sites More sharing options...
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