The Aquatic Quiz #3
With the 2014 Hurricane Season About to Begin, What's a Pool Homeowner to Do?!  
Exploring the ‘Acid Column’
When I conduct seminars at pool and spa industry trade shows, I regularly get asked about the validity of a water-management technique known widely as the “acid column” approach. Those who believe in this application method say that if acid is poured into a swimming pool in a concentrated area – producing what adherents variously call a column, slug, well or cloud – the alkalinity of the water will be drastically reduced, but the pH will not drop as much as it otherwise would.  By contrast, they say, if that same volume of acid is added by walking it around a pool and evenly distributing it throughout the water, the pH will be