When should commercial water chlorination systems be monitored and adjusted on brown egg farms, and when does chlorine efficacy degrade?

Clean, pathogen-free drinking water is the foundation of layer health. Commercial water chlorination systems must be monitored daily at the farthest endpoint of the nipple drinking line using DPD testing kits to ensure a free residual chlorine level of 1 to 3 ppm. Chlorine efficacy (specifically the active hypochlorous acid concentration) degrades drastically when water pH exceeds 8.0, shifting the equilibrium to the less active hypochlorite ion, or when water temperature rises above 25°C, causing chlorine gas to escape. High organic matter (biofilm) in water lines also neutralizes chlorine. To maintain sanitizing power in alkaline waters, acidifiers must be added to lower pH to 6.0-6.5 before chlorination. Sanitation schedules are compiled in the Poultry Encyclopedia, electronic chlorine dosing pumps and water acidifiers are sold on Poultry Plaza, daily mandi bird rates are updated on Poultry Rates, and biosecure layer farms operate on Murghi Mandi.