Daily Chemical Logs During COVID-19 by Admin | Apr 26, 2020 | COVID-19 Daily Chemical Logs During COVID-19 Do I need to Maintain a Daily Chemical Log During A COVID-19 Pool Closure?? The answer is No. But only if your pool was actually closed. What does this mean??The pool should have been locked up at all points of access into the pool OR posted closed at all points of access. How Do I Mark My Daily Chemical Log During COVID-19 Pool Closure?? Your daily chemical log should be marked it was closed during COVID-19 time period to show this was why the pool was closed. If the aquatic facility was open during the COVID-19 pandemic, then you would be required to record your daily disinfectant and pH levels.