Free, Active, Combined, Total Chlorine, Chloramines, and Orp in the pool
Chlorine is the most widely used pool disinfectant. In the swimming pool, there are several types of chlorine: free chlorine, active free chlorine, combined chlorine, or chloramines. We will see here what those different chlorine types mean in the swimming pool. We will also talk about Orp, often used to measure chlorine in a swimming…
3 ways to raise chlorine level too low in the pool
Chlorine is the most widely used disinfectant in the pool by far. It’s very effective, cheap, and appropriate. Even so-called “salt” pools use chlorine produced from salt. We will see different ways to raise the chlorine level in a swimming pool when it is too low or even at 0. Which chlorine to measure: active,…