Maintenance log
Last 14 weeks of readings.
Insights
Chlorine drops ~18% every 7 days
Consider a routine Monday top-up of 2 L liquid chlorine.
pH is creeping up
Up 0.4 over the past 6 weeks. Switch to weekly pH checks.
Alkalinity stable at 108–118 ppm
You're in the ideal 80–120 ppm range.