Pool professionals know the price of their chemicals. Ask a service company owner what they're paying for liquid chlorine, and they'll likel...

Pool size matters, however. The same tablet would raise free chlorine by approximately: 10,000 gallons 4.5 ppm 15,000 gallons 3.0 ppm 20,000 gallons 2...

Target Range: Free Chlorine: 1-5 ppm. Combined Chlorine: ≤ 0.4 ppm Test Frequency: Daily / Every service visit

How are asbestos diaphragms used to produce chlorine? The use of asbestos diaphragms is among the two main ways that chlorine is produced. The other m...