What Raises Chlorine Demand
See how different conditions push your pool's chlorine demand up, so you can stay ahead of it.
Relative Chlorine Demand by Condition
General patterns for Central Florida pools — not a live measurement of your water.
Cooler temps and lower UV mean chlorine holds steady longer.
Florida's strong UV burns off unstabilized chlorine faster.
More bathers introduce more contaminants, using up chlorine faster.
Rain dilutes chlorine and alkalinity, and washes in organic debris.
Post-storm debris and standing water are an early opening for algae.
High bather load introduces more contaminants, causing chlorine to be used up faster.
Sunlight (UV), higher temperatures, bather load, rain, and debris all increase chlorine use.
Test more often during high-demand conditions. Keep free chlorine in range and shock as needed to prevent algae.
Staying ahead of chlorine demand keeps water clear, safe, and comfortable for everyone.