[twistedcolas]

Have you Try ascorbic acid instead(vitamin c tablet) roughly 50 milligrams to gal. That’s about a 10th of most tablets. Otherwise half a tablet to 5 gallons. It actually binds to and neutralizes chlorine chloramine chloride. Citric might be just bringing the ph down and not doing anything chemically. It could be doing something chemically and once it does it makes the citric acid able to be evaporated.