Question:
What is in your drinking water?

Answer: I'm familiar with OTO. I use it myself to test the effectiveness of my activated charcoal water filter from time to time, to make sure that it's doing its job! It was my friend who suggested its use to me; he explained that the change in color to a bright yellow was VERY OBVIOUS when testing swimming pool water because of its rich chlorine content, and was noticeably LESS obvious with tap-water, but would still work for my intended purpose.

: If your sink were a public pool, they would : close it down for exceeding the legal level of chlorine by 5 times.

I find this EXCEEDINGLY difficult to believe. Don't you think that if you had a public swimming pool frequented by hundreds of strangers day in and day out, performing God knows what excretory functions in the water, that control of microbial growth would be of paramount importance? And yet you think the level of pool chlorine is a fifth that of tap-water? Does that seem reasonable?

Over the years I've heard occasional stories of toxic effects, attributed