Swimming Pools     Most outdoor swimming pool chemicals commonly used for disinfection. Even undergone pool filters and treated with chemicals, it is important to test the level of so-called “free chlorine residual (the part that keeps water in the future react to new pollutants) by pH tester.The right balance between pH and water pool [...]

  Outdoor Swimming Pools In recent years worldwide have registered a record high summer temperatures. Global warming is a fact, is no exception, but the trend will continue. After several months we expect stuffy, hot flushes. There are several ways to escape – shade, very cold liquids and powerful air around the swimming pool. However, [...]