3 Things to Know About Waiting Between Algaecide and Chlorine

Never add algaecide and chlorine at the same time Chlorine is a strong oxidizer that breaks down algaecide before it can work. Adding them together wastes your algaecide and your money.

Add algaecide first, then wait before shocking Pour in the algaecide and let it circulate for a few hours or overnight. Only then should you shock with chlorine.

If you already shocked, wait for chlorine to drop Do not add algaecide until chlorine levels fall below 5 ppm. The label instructions on this are accurate—follow them.