Neutralize chloramines in tap water

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SUMMARY

The discussion centers on the removal of chloramines from tap water using ascorbic acid, specifically addressing the effectiveness of this method. It is confirmed that adding 100mg of ascorbic acid can neutralize chloramines, but the process may take 1-2 days, regardless of the water volume. Participants emphasize the importance of knowing the initial chloramine concentration in the water to determine the appropriate amount of neutralizer needed. The conversation also highlights the safety of municipal water treatment practices and the expertise involved in maintaining water quality.

PREREQUISITES
  • Understanding of chloramines and their effects on water quality.
  • Knowledge of ascorbic acid and its chemical properties.
  • Familiarity with municipal water treatment processes.
  • Basic principles of water chemistry and analysis.
NEXT STEPS
  • Research the chemical reaction of ascorbic acid with chloramines.
  • Learn about water testing methods for chloramine concentration.
  • Investigate alternative methods for chloramine removal, such as activated carbon filtration.
  • Explore guidelines from the Environmental Protection Agency (EPA) on safe drinking water standards.
USEFUL FOR

This discussion is beneficial for homeowners concerned about water quality, water treatment professionals, and anyone interested in understanding the chemistry of chloramines and their removal methods.

watersplit
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Hi
I want to remove chloramines from tap water and I read it's possible to do by adding ascorbic acid in the water. Here is the source: https://en.wikipedia.org/wiki/Chloramination#Removing_monochloramine_from_water

So I was wondering what substances are the chloramines being changed into (the by-products) during the process?
And how long time would it take to neutralize 1L of water (adding maximum 100mg ascorbic acid, which is more than enough)? The page of the provided address says it takes 1-2 days but it doesn't say how much water. Perhaps the amount of water doesn't matter?
 
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Have you checked that you have chloramines in water, or are you still chasing things you don't understand?
 
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I have not performed any analysis on the water, but it is described in the website of the municipal water treatment plant that a small amount of chloramine is added.
 
watersplit said:
I have not performed any analysis on the water, but it is described in the website of the municipal water treatment plant that a small amount of chloramine is added.
How are you going to calculate how much neutralizer you need if you don't know how much is in it?

How do you know this is even something worth doing if you don't know how much is in it?

The page of the provided address says it takes 1-2 days.
That isn't what it says.

More info:
https://www.fs.fed.us/t-d/pubs/html/05231301/05231301.html
 
watersplit said:
I have not performed any analysis on the water, but it is described in the website of the municipal water treatment plant that a small amount of chloramine is added.
And you assume they don't know what they doing?

From your IP it seems like you live in one of the countries with safest drinkable water in the world. Traces are there to keep the water safe and to kill pathogens, and their levels are selected low so that the dose is not dangerous for people. I told you earlier: you won't make your water better than people that trained for many years do it for you.
 
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