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#2
06-01-2009, 04:30 PM
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The carbon block cartridges/filters preceding the RO membrane take care of the chlorine so you don't need to treat the filtered water any further except for your salt and any other dosing requirements of your system. I see now that suppliers are offering 'special' chloramine filters for RO systems as well. The thing to do is determine what your water utility uses to treat the tap water, chlorine or chloramine, then ensure you have the appropriate pre filter to take care of it. Probably not a bad idea to get a chlorine test kit from your local pool/spa supplier, but I think if you change your carbon chlorine guzzler at the recommended interval, you should be ok.
If I'm not mistaken, chlorine/chloramine will destroy your RO membrane, so you want to ensure the pre filters are in good shape.
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Mike 77g sumpless SW DIY 10 watt multi-chip LED build  http://www.canreef.com/vbulletin/showthread.php?t=82206
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#3
07-16-2009, 09:19 PM
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I tested water out of the tap today and got 12ppm
Tested it out of my filter and got 0 I have this setup: http://www.jlaquatics.com/phpstore/s...ct_ID=ro-aptwp It changes colour when it is time to change it. Or just keep testing it with your TDS meter to see if he quality has changed. A friend in North Van has a 75 gallon right now and with weekly water changes he still only has to replace it every 8-10 months. Our water quality is fairly good in the lower mainland (actually awesome compared to other places). Simply because of our climate, protection, and proximity to the resevoirs. How big is your tank You may only need this if you don't want to take many trips to the grocery store.
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