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01/13/2019, 02:45 PM | #1 |
2018 FMAS President
Join Date: Oct 2004
Location: Coral Springs, Florida
Posts: 2,082
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chloramine testing/treatment
Does anyone test for Chloramine in their TAP and R/O?
I know my city uses chloramine in sanitation so today I used my pool kit (Lamotte colorq) to test the TAP water from my house. Results: mg/L or ppm Total Cl= 1.94 Free Cl= 0.91 If I subtract the two I get 1.03mg/L which I assume is my Chloramine concentration? According to the CDC, normal disinfectant chloramine concentrations are from 1-4 mg/L https://www.cdc.gov/healthywater/dri...infection.html I tested my R/O the same way and got a chloramine concentration of 0.06mg/L. I use 2 carbons back-to-back and one is a catalytic carbon filter. The filters are about 6 months old and I use (including waste/rejection water) about 500gal per month. I'm concerned about the limits of my test kit since it loses accuracy below 1mg/L. Does anyone have a more accurate test kit for free and total Cl- ? Preferably one that doesnt cost $500+ I've noticed an extensive review from Bulk Reef Supply on youtube reviewing the effectiveness of carbon filters on Chloramines. https://www.youtube.com/watch?v=tEL8KvDr3-k Has anyone else looked into this?
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dave Current Tank Info: 180gal mixed reef, asm g4xx, LED lights, apex, 65gal sump, 2x mp40's, methanol denitrator |
01/13/2019, 07:14 PM | #2 |
RC Mod
Join Date: Mar 2002
Location: Mountain View, CA, USA
Posts: 88,616
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I'd guess you're right about the chloramine concentration. You could look at the Hach chlorine kit. It might be more precise. I don't know of much data on carbon filter effectiveness except that from various vendors.
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Jonathan Bertoni |
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