What are Chloramines?

Pool Chemistry and Swimming Pool Maintenance

From About Home Pool and Patio

We all know the smell:  It harkens one back to their youth at the local swim center or YMCA.  The pungent smell of an "overchlorinated" pool.  Additionally, one remembers burning eyes, itchy skin, and crunchy hair.  What most people fail to understand, unfortunately, is that this situation is not an "overchlorinated" pool, but one that is actually devoid of active chlorine.  This post by About Home explains this dangerous situation which is a very common misconception about how swimming pool chemistry works.  

Here is an excerpt from the post: