The big issue is chlorine is in every drinking water system in the USA, and most every other country.
YES it is caustic & harmful in it's pure form, as is all chemicals...imagine eating a hunk of potassium...yet I have to take a mere ig of it daily.
The solution=a very small amount, daily is fine.
We use it, we are fine, no coronaries so far in the entire city.
The biggest issue with chlorine is that in it's natural state, it is a gas, and evaporates easily, and is damaged by sunlight, so yeah, it is not stable.
Chloramine, is however more stable and in more usage by municipalities nowadays, as it does not dissipate from evaporation as easily.
Public transmission of water requires a more stable form of bacterial control.
In the fish farm we had years ago..Chloramine was an issue as it sticks around so long.
Whereas chlorine does not, it evaoprates out of the water easily, leaving it safe to add to the ponds for the fish we raised.
Since most municiple water supplies are now using chloramine.....we choose well water for our fish farm.
However, this was not good for the chickens..as chlorine evaporates so quickly, that leaves fonts barren of bacterial protection.
Thus, the University & many others recommend the "solution" which is exactly what we have in our water system.
Please not: Yes pure Chlorine is caustic, please do not think otherwise...but it is also diluted as stated and is fine in it's diluted state as an anti microbial and is safe for eye flushing, etc.
I wash my face & everything
every day!!!!!
Everyone in everycity also does the same!!
It is in every municiple water system, and for good reason and this is the recipe.
Most of us on farms have no chlorine...and this is what we use.
http://en.wikipedia.org/wiki/Hypochlorous_acid wow, it is explosive as well.......I think I will stick to my household, unscented bleach!